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

43°F

6°C

Humidity 29%
Wind Speed NE 3 mph
Barometer 29.69 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 7 Jan 5:55 pm MST
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: A 40 percent chance of rain after 5am. Mostly cloudy, with a low around 29. Northwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Snow likely, possibly mixed with rain, mainly after 11am. Cloudy, with a high near 39. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 19. North northeast wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 33. North northwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. West wind around 7 mph, with gusts as high as 16 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain after 5am. Mostly cloudy, with a low around 29. Northwest wind 3 to 6 mph.
Thursday
Snow likely, possibly mixed with rain, mainly after 11am. Cloudy, with a high near 39. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 19. North northeast wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 33. North northwest wind 7 to 10 mph, with gusts as high as 16 mph.
Friday Night
Partly cloudy, with a low around 12. West wind around 7 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.15°W (Elev. 5007 ft)
Last Update:
2:41 pm MST Jan 7, 2026
Forecast Valid:
6pm MST Jan 7, 2026-6pm MST Jan 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation