Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather. Weather forecasts are available through the National Weather Service. The starting point for graphical digital government weather forecasts. The Estimated 3-hour Planetary Kp-index is derived at the NOAA Space Weather Prediction Center using data from the following ground-based magnetometers: Sitka, Alaska; Meanook, Canada; Ottawa, Canada; Fredericksburg, Virginia; Hartland, UK; Wingst, Germany; Niemegk, Germany; and Canberra, Australia. 6 days ago · View Location Examples Your local forecast office is Denver-Boulder, CO News Headlines Denver's Annual Weather Summary for 2025 Denver's Weather Summary for December 2025 Current conditions at Vance Brand Airport (KLMO) Lat: 40. Jan 5, 2026 · NOAA National Weather Service Mostly clear, with a low around 38. Mostly cloudy, then gradually becoming sunny, with a high near 41. Service assessments provide a valuable contribution to our ongoing efforts to improve the quality and timelessness of our products and services for the protection of life and property. to New York City early New Year NOAA National Weather Service NOAA National Weather Service Mostly clear, with a low around 40. Dec 31, 2025 · Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D. com Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather. 4 days ago · NOAA National Weather Service Denver/Boulder, CO Last Map Update: Fri, Jan 16, 2026 at 3:12:09 am MST Be prepared with the most accurate 10-day forecast for Boulder, Colorado 80303 with highs, lows, chance of precipitation from The Weather Channel and Weather. KEY MESSAGES - Light snow expected this evening through early Monday morning, possibly leading to poor travel conditions for Monday morning. New snow accumulation of less than a half inch possible. West southwest wind 5 to 13 mph becoming north in the morning. Climate Snow Squalls from the Upper Midwest to Great Lakes; High Winds in the Northern and Central Plains An Arctic front will bring widespread snow squalls through Friday from the Upper Midwest to the Ohio Valley. 42. Breezy, with a west wind 20 to 24 mph, with gusts as high as 39 mph. Windy, with a west wind 21 to 25 mph, with gusts as high as 38 mph. O. Winds could gust as high as 16 mph. The ap index is a 3-hourly "equivalent amplitude" index expressing the range of disturbance in the horizontal components and is directly related to the Kp index. Sources of data for this Boulder page include NCEI, NOAA Cooperative site daily observations, the National Storm Data Report, NCAR (1890-1947), the National Resource Conservations Service, daily data for 1948-1990 provided by Klaus Wolter (PSL) and the Colorado climate center and summaries of daily data for the last 100 years listed in the Jan 8, 2026 · NOAA National Weather Service A 50 percent chance of snow. Cooler air returns after Tuesday Jan 13, 2026 · View Location Examples Your local forecast office is Denver-Boulder, CO News Headlines Denver's Annual Weather Summary for 2025 Denver's Weather Summary for December 2025 Current conditions at Holyoke Airport (KHEQ) Lat: 40. Potential Index, Valid 2026011 For 4 PM Precip. ) Temperature Forecasts Thunderstorm and Lightning Forecast Hourly/Weekly Weather Forecast (Click on any spot for an Hourly Forecast out to 7 Days) 6 days ago · NOAA National Weather Service The images are updated continuously, with the transition when "tomorrow night" becomes "tonight" occurring at 12:00Z (i. Be prepared with the most accurate 10-day forecast for Boulder, Colorado 80303 with highs, lows, chance of precipitation from The Weather Channel and Weather. Partly sunny and cold, with a steady temperature around 6. 7°F at the NCAR Foothills Lab, in NE Boulder. com and The Weather Channel Boulder Regional Forecasts from the Denver–Boulder National Weather Service Current Radar for Boulder region Yahoo Boulder Weather Links Denver NEXRAD and visible satellite from Intellicast Temperature/Height Profiles (Skew-T) Profile Denver: Current and Forecast (CSU) 2 days ago · Click a location below for detailed forecast. 2 days ago · NOAA National Weather Service A 30 percent chance of snow before 8am. They will, however, gradually relax mid to late afternoon. 1 day ago · NOAA National Weather Service Mostly sunny, with a high near 38. Current conditions at Boulder Municipal Airport (KBDU) Lat: 40. West wind 3 to 6 mph. 1 day ago · NOAA National Weather Service Mostly clear, with a low around 23. Little or no snow accumulation expected. Breezy, with a west northwest wind 15 to 18 mph, with gusts as high as 34 mph. Current Temperature: 20. Machol and Redmon (NCEI) developed the real-time ovation model. 16°W Elev: 5039ft. Wind chill values as low as -16. 134) or deg min sec (i. Patchy blowing snow. 130,346 likes · 1,602 talking about this · 138 were here. Due to the magnitude of this space weather event, a service assessment team was formed to examine the space environment warning and forecast services provided by the NOAA Space Environment Center. East wind around 6 mph becoming southwest in the morning. Potential Index, Valid 2026012 For 1 AM Weather 6 days ago · Your local forecast office is Denver-Boulder, CO News Headlines Denver's Annual Weather Summary for 2025 Denver's Weather Summary for December 2025 Current conditions at Denver - Centennial Airport (KAPA) Lat: 39. Local news, sports, business, politics, entertainment, travel, restaurants and opinion for Seattle and the Pacific Northwest. View Location Examples Your local forecast office is Denver-Boulder, CO News Headlines Denver's Annual Weather Summary for 2025 Denver's Weather Summary for December 2025 Current conditions at Broomfield / Jeffco (KBJC) Lat: 39. 92°W Elev: 8207ft. com and The Weather Channel 4 days ago · NOAA National Weather Service Denver/Boulder, CO Last Map Update: Fri, Jan 16, 2026 at 4:18:27 am MST Weather Story, graphic Another round of strong, gusty winds and low humidity for the plains today. A brief description of why conditions occurred or are forecast is also included for each category. 2 days ago · NOAA National Weather Service Pueblo, CO Last Map Update: Sun, Jan 18, 2026 at 3:16:48 am MST Denver's Annual Weather Summary for 2025 Denver's Weather Summary for December 2025 Denver/Boulder, CO Weather Forecast Office Boulder Regional Forecasts from the Denver–Boulder National Weather Service Current Radar for Boulder region Yahoo Boulder Weather Links Denver NEXRAD and visible satellite from Intellicast Temperature/Height Profiles (Skew-T) Profile Denver: Current and Forecast (CSU) Postal Address: P. Mostly sunny, with a high near 32. 5 days ago · NOAA National Weather Service Increasing clouds, with a high near 44. North northwest wind 6 to 9 mph becoming southwest in the evening. Hourly weather forecast in Boulder, CO. 3 days ago · NOAA National Weather Service Latitude/Longitude Entry decimal degrees (i. Today’s and tonight’s Boulder, Colorado 80303 weather forecast, weather conditions and Doppler radar from The Weather Channel and weather. 1 day ago · Hourly Weather Forecast Tabular Forecast Air Quality Forecasts International System of Units Regional Weather Conditions Denver Climate Reports Colorado Hourly Observations (MesoWest Map) Colorado Road Conditions Graphical Forecast Page Detailed Point Forecast Fire Weather Information Local Storm Report Basemap Options Click map to change the 4 days ago · Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather. Between 12 noon and 2 pm, the stronger winds were shifting slightly east, through all of Superior and most of Louisville. National Digital Forecast Page. 57°N Lon: 102. New snow accumulation of less than one inch possible. 2 days ago · NOAA National Weather Service NOAA National Weather Service Current conditions at Granby-Grand County Airport (KGNB) Lat: 40. Official page for the National Weather Service Office in Boulder, CO, covering NOAA National Weather Service A 40 percent chance of snow before 11am. com Be prepared with the most accurate 10-day forecast for Boulder Creek, California 95006 with highs, lows, chance of precipitation from The Weather Channel and Weather. 09°N Lon: 105. Users requiring a more detailed explanation of events should refer to the Forecast Discussion. Boulder Climate and Weather Information Overview Climatology Temperature Precipitation Severe Wx Forecasts Regional Astronomy Jun 2, 2009 · The National Weather Service is your best source for complete weather forecast and weather related information on the web! NOAA National Weather Service Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday Most of the U. 9/3b flare (R3-Strong) at 18/1809 UTC. com and The Weather Channel Forecast Element Name, Valid Date, Valid Time (Local) Minimum Temperature, Valid 2026012 Ending 4 AM Maximum RH, Valid 2026012 Ending 10 AM Probability of Precip. Wind chill values between -15 and -25. The Heartland will be warmest, with highs 25–30° above average. 1°W Elev: 5551ft. Boulder, CO Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. com 3 days ago · NOAA National Weather Service Mostly clear, with a temperature falling to near 33 by 8pm, then rising to around 39 during the remainder of the night. Boulder Weather Forecasts. , Valid 2026012 Ending 4 AM Precip. Avoid any activity that may produce a spark and start a wildfire. weather. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. We would like to show you a description here but the site won’t allow us. Northwest wind 6 to 15 mph, with gusts as high as 28 mph. Today’s forecast calls for sunny skies with a high of 58 and an overnight low of 35. Light and variable wind becoming southeast around 5 mph. West wind 8 to 10 mph, with gusts as high as 24 mph. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Boulder Climate and Weather Information Overview Climatology Temperature Precipitation Severe Wx Forecasts Regional Astronomy NOAA National Weather Service A 40 percent chance of snow before 11am. Very windy, with a west wind 38 to 41 mph, with gusts as high as 65 mph. Heavy snow rates and strong winds will lead to near-zero visibility and dangerous travel conditions. This chart updates every minute. High winds will continue across the northern and central High Plains through 23 hours ago · NOAA National Weather Service Sunny, with a high near 65. Mar 13, 2019 · Bomb Cyclone March 13, 2019 Colorado 2019 Bomb Cyclone March 13th, 2019 Overview: On March 13th, 2019 an extremely powerful low pressure system developed over southern Colorado, setting a record for the lowest pressure ever recorded over Colorado, at Lamar, of 970. , within an hour of the end of the 6pm-6am Central Time window that is used here to define "night"). While not as ferocious as yesterday, we still expect persistent wind gusts into the 40-55 mph range. Findings and National Weather Service API at api. 85°W Elev: 5869ft. 28°W Elev: 3724ft. 977 FXUS65 KBOU 190016 AFDBOU Area Forecast Discussion National Weather Service Denver/Boulder CO 516 PM MST Sun Jan 18 2026 . 04°N Lon: 105. Many sources were used to research and compile the data. Winds could gust as high as 17 mph. Feb 12, 2015 · These predictions are updated weekly by the NOAA SWPC. gov provides access to the latest forecasts and alerts, along with observations and other weather data. NOAA National Weather Service Snow likely, mainly before 11pm. com and The Weather Channel 5 days ago · US National Weather Service Denver/Boulder Colorado, Boulder. Feb 27, 2025 · Boulder should see highs in the 50s today with sunny skies, according to the National Weather Service. NOAA National Weather Service Current conditions at Boulder Municipal Airport (KBDU) Lat: 40. Wind chill values as low as -15. 5 days ago · Current conditions at Boulder Municipal Airport (KBDU) Lat: 40. NOAA National Weather Service 4 days ago · Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather. Check current conditions in Boulder, CO with radar, hourly, and more. West wind 11 to 14 mph, with gusts as high as 22 mph. - A brief cold outbreak will move into Colorado Friday through NOAA National Weather Service A 40 percent chance of snow before 11am. Potential Index, Valid 2026011 For 10 PM Precip. While space weather is hard to forecast so far in advance, this list can be useful to spot when recurrent and reliable solar features like coronal hole solar wind streams become geoeffective again. 16°N Lon: 105. com Boulder Weather Radar Weather radar map shows the location of precipitation, its type (rain, snow, and ice) and its recent movement to help you plan your day. The two maps show the aurora and viewline tonight and tomorrow night. New snow accumulation of 1 to 3 inches possible. The system officially met the criteria of a " Bomb Cyclone ", in which barometric pressure readings dropped in excess of 24 2 days ago · NOAA National Weather Service Grand Junction, CO Last Map Update: Sun, Jan 18, 2026 at 11:14:19 pm MST 5 days ago · NOAA National Weather Service A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 18. 6 days ago · Your local forecast office is Denver-Boulder, CO News Headlines Denver's Annual Weather Summary for 2025 Denver's Weather Summary for December 2025 Current conditions at Denver - Centennial Airport (KAPA) Lat: 39. starts the week calm and unseasonably warm. Light north northwest wind becoming north 6 to 11 mph in the morning. 42 23 34) Latitude: Longitude: Hourly weather forecast in Boulder, CO. This product is designed to be a one page, simple look at recently observed and a three day forecast of space weather conditions. West wind 5 to 8 mph becoming northeast in the afternoon. 4 mb. 17 hours ago · Winter returned to Colorado overnight Sunday after a heatwave brought near record-breaking temperatures to the Front Range. In 2011, NOAA (NCEI and SWPC) developed a real-time version of the OVATION model to forecast the location and intensity of the aurora. The indices have a range from 0 to 9 and are directly related to the maximum amount of fluctuation (relative to a quiet day) in the geomagnetic field over a three-hour interval. Mostly cloudy, with a low around -6. To get winds, go to fields at the bottom of the page and select from the last 2 types. - Otherwise more tranquil weather Tuesday through Thursday. The Station A and K indices show the fluctuations in the magnetic field, tied to specific geographic locations. Box 3000, Boulder, CO 80307-3000 • Shipping Address: 3090 Center Green Drive, Boulder, CO 80301 Local Climate for Denver Local Climate Data (NOWData - Weather Climate Online) 30 Day and 90 Day Temperature and Precipitation Outlooks Link to Additional Climate Data (rest of U. 1 day ago · Region 4341 produced an X1. C. Viereck (SWPC) implemented the model and developed the graphical products to run in realtime to create aurora forecasts. 56°N Lon: 104. Chance of precipitation is 60%. NOAA National Weather Service Sunny, with a high near 53. Potential Index, Valid 2026011 For 7 PM Precip. Winds could gust as high as 26 mph. Calm wind becoming south southeast around 5 mph in the afternoon. e. 1 day ago · Hourly Weather Forecast Tabular Forecast Air Quality Forecasts International System of Units Regional Weather Conditions Denver Climate Reports Colorado Hourly Observations (MesoWest Map) Colorado Road Conditions Graphical Forecast Page Detailed Point Forecast Fire Weather Information Local Storm Report Basemap Options Click map to change the 1 day ago · Region 4341 produced an X1. 1 day ago · The "Kp," which is the scale the NOAA uses to measure the maximum forecasted geomagnetic activity, is an eight on a scale from zero to nine for Monday night's aurora forecast, as of Monday morning. NOAA National Weather Service Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Latest Denver news, top Colorado news and local breaking news from The Denver Post, including sports, weather, traffic, business, politics, photos and video. NOAA National Weather Service A 40 percent chance of snow before 11am. 9°N Lon: 105. Dec 30, 2021 · Note the 85 mph gust in south Boulder, and 100 mph gust along Highway 93 (very bottom of the image below) near the top of the hour. Winds could gust as high as 18 mph. 23°W Elev: 5288ft. Only the Gulf Coast stays chilly. com NWS Boulder Denver Weather History This "Day in Weather History" contains some memorable weather events and trivia from 1864 onwards for much of Northeast Colorado. ccc-law. S. . About NOAA's National Weather Service Careers in Weather Home About Space Weather Impacts Electric Power Transmission GPS Systems HF Radio Communications Satellite Communications Satellite Drag Partners and Stakeholders Commercial Service Providers Federal Agencies International Organizations International Service Providers Space Weather Jan 5, 2026 · GML conducts research on greenhouse gas and carbon cycle feedbacks, changes in aerosols, and surface radiation, and recovery of stratospheric ozone. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Boulder area. Mostly cloudy, then gradually becoming sunny, with a high near 35. 2 days ago · NOAA National Weather Service Denver/Boulder, CO Last Map Update: Sun, Jan 18, 2026 at 7:20:16 pm MST 1 day ago · NOAA National Weather Service Current conditions at Broomfield / Jeffco (KBJC) Lat: 39. Dec 11, 2025 · Recent Weather Search for recent weather data in your area. Mostly cloudy, then gradually becoming sunny, with a high near 38. Winds could gust as high as 15 mph.

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