National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Fair

-7°F

-22°C

Humidity 75%
Wind Speed Calm
Barometer 30.17 in
Dewpoint -13°F (-25°C)
Visibility 10.00 mi
Last update 19 Jan 5:35 am MST
Extended Forecast for

Longmont CO

Cold Weather Advisory January 19, 05:58am until January 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 05:58am until January 21, 09:00am

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Today

    High: 14 °F

    Patchy Fog
    then Slight
    Chance Snow

  • Tonight

    Tonight: Snow. Low around -2. Wind chill values as low as -12. Calm wind becoming north northeast 5 to 8 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: -2 °F

    Snow

  • M.L.King Day

    M.L.King Day: A 30 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny and cold, with a high near 7. Wind chill values as low as -10. East wind around 5 mph becoming calm in the afternoon. New snow accumulation of less than a half inch possible.

    High: 7 °F

    Chance Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -11. Wind chill values as low as -23. West wind 3 to 6 mph.

    Low: -11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. West wind around 10 mph, with gusts as high as 22 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Today
A 10 percent chance of snow after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 14. Wind chill values as low as -18. Light and variable wind.
Tonight
Snow. Low around -2. Wind chill values as low as -12. Calm wind becoming north northeast 5 to 8 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
M.L.King Day
A 30 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny and cold, with a high near 7. Wind chill values as low as -10. East wind around 5 mph becoming calm in the afternoon. New snow accumulation of less than a half inch possible.
Monday Night
Mostly clear, with a low around -11. Wind chill values as low as -23. West wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 35. West wind around 10 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 17.
Saturday
A chance of snow. Partly sunny, with a high near 34.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
4:33 am MST Jan 19, 2025
Forecast Valid:
5am MST Jan 19, 2025-6pm MST Jan 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation