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

30°F

-1°C

Humidity 42%
Wind Speed E 3 mph
Barometer 30.09 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 22 Jan 5:15 pm MST
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Wind chill values as low as -1. Calm wind becoming north around 6 mph after midnight.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow. Mostly cloudy, with a high near 19. Wind chill values as low as -4. North wind around 8 mph.

    High: 19 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -4. North northeast wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 4 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 16. Light east wind. New snow accumulation of less than a half inch possible.

    High: 16 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 1. Light and variable wind.

    Low: 1 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 22.

    High: 22 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -1. Calm wind becoming north around 6 mph after midnight.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 19. Wind chill values as low as -4. North wind around 8 mph.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -4. North northeast wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 16. Light east wind. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 1. Light and variable wind.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 22.
Sunday Night
Mostly clear, with a low around 7.
Monday
Sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
2:16 pm MST Jan 22, 2026
Forecast Valid:
5pm MST Jan 22, 2026-6pm MST Jan 29, 2026
 
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