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.

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: Patchy fog before 10am. Otherwise, sunny, with a high near 33. Light and variable wind becoming south around 5 mph in the morning.

    High: 33 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West southwest wind around 7 mph becoming northwest after midnight.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. West wind around 6 mph becoming light and variable in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly after 5am. Mostly cloudy, with a low around 22. Southwest wind 5 to 9 mph, with gusts as high as 15 mph. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 11am, then a slight chance of rain showers after 11am. Partly sunny, with a high near 45. West northwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 33. Light and variable wind becoming south around 5 mph in the morning.
Tonight
Partly cloudy, with a low around 18. West southwest wind around 7 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 38. West wind around 6 mph becoming light and variable in the afternoon.
Friday Night
A 30 percent chance of snow showers, mainly after 5am. Mostly cloudy, with a low around 22. Southwest wind 5 to 9 mph, with gusts as high as 15 mph. Little or no snow accumulation expected.
Saturday
A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 11am, then a slight chance of rain showers after 11am. Partly sunny, with a high near 45. West northwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A slight chance of showers. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
Last Update:
3:25 am MST Dec 4, 2025
Forecast Valid:
6am MST Dec 4, 2025-6pm MST Dec 10, 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