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

Vance Brand Airport (KLMO)

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

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Longmont CO

  • Today

    Today: Mostly sunny, with a high near 45. East southeast wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. East southeast wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Calm wind becoming east northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 51. Calm wind becoming east around 5 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 45. East southeast wind 7 to 9 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 20. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 49. Calm wind becoming east northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 26. Calm wind.
Thanksgiving Day
Mostly sunny, with a high near 51. Calm wind becoming east around 5 mph.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 57.
Friday Night
A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 22.
Saturday
A slight chance of snow. Partly sunny, with a high near 38.
Saturday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 17.
Sunday
A chance of snow. Mostly cloudy, with a high near 30.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10.
Monday
A slight chance of snow. Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
Last Update:
3:26 am MST Nov 25, 2025
Forecast Valid:
9am MST Nov 25, 2025-6pm MST Dec 1, 2025
 
Forecast Discussion
 
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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