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.

Partly Cloudy

37°F

3°C

Humidity 56%
Wind Speed E 15 mph
Barometer 29.87 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 17 Jan 2:55 pm MST
Extended Forecast for

Longmont CO

Cold Weather Advisory January 19, 12:00am until January 21, 09:00am
Winter Weather Advisory January 17, 04:00pm until January 18, 05:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 48. East northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 48 °F

    Snow Likely

  • Tonight

    Tonight: Snow. Low around 9. Wind chill values as low as -1. North northeast wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 9 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 8am. Cloudy, with a high near 17. Wind chill values as low as -2. Northeast wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 17 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around -3. North northeast wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: -3 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18. Light and variable wind.

    High: 18 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly after 11pm. Cloudy, with a low around -1. Chance of precipitation is 60%.

    Low: -1 °F

    Snow Likely

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 11.

    High: 11 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -10.

    Low: -10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 48. East northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Low around 9. Wind chill values as low as -1. North northeast wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely, mainly before 8am. Cloudy, with a high near 17. Wind chill values as low as -2. Northeast wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around -3. North northeast wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 18. Light and variable wind.
Sunday Night
Snow likely, mainly after 11pm. Cloudy, with a low around -1. Chance of precipitation is 60%.
M.L.King Day
Partly sunny, with a high near 11.
Monday Night
Mostly clear, with a low around -10.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 31.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
2:52 pm MST Jan 17, 2025
Forecast Valid:
3pm MST Jan 17, 2025-6pm MST Jan 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation