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.

Overcast

33°F

1°C

Humidity 74%
Wind Speed NE 3 mph
Barometer 29.79 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 8 Jan 4:55 pm MST
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Cloudy, with a high near 36. Light north northeast wind. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 20. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 6 to 10 mph, with gusts as high as 17 mph. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13. West wind around 6 mph.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind around 7 mph, with gusts as high as 15 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Cloudy, with a high near 36. Light north northeast wind. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 20. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A 40 percent chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 6 to 10 mph, with gusts as high as 17 mph. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 13. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 44. West wind around 7 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 58.
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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:
4:06 pm MST Jan 8, 2026
Forecast Valid:
5pm MST Jan 8, 2026-6pm MST Jan 15, 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