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 and Breezy

70°F

21°C

Humidity 14%
Wind Speed W 21 G 29 mph
Barometer 29.97 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 6 Nov 10:55 am MST
Extended Forecast for

Longmont CO

Red Flag Warning until November 6, 05:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until November 6, 05:00pm

    NOW until 5:00pm Thu

    Red Flag Warning

  • Today

    High: 66 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 17 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 62. West northwest wind 5 to 7 mph becoming south southeast in the morning. Winds could gust as high as 17 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. West wind around 7 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °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 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 66. Windy, with a west northwest wind 20 to 26 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 33. North wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 17 mph.
Friday
Mostly sunny, with a high near 62. West northwest wind 5 to 7 mph becoming south southeast in the morning. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 37. West wind around 7 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 56. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 29.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 41.
Veterans Day
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 68.
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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:
8:06 am MST Nov 6, 2025
Forecast Valid:
11am MST Nov 6, 2025-6pm MST Nov 12, 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