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

46°F

8°C

Humidity 30%
Wind Speed SE 9 mph
Barometer 30.31 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 2:15 pm MDT
Extended Forecast for

Longmont CO

High Wind Watch March 12, 10:00am until March 12, 07:00pm
Red Flag Warning March 12, 11:00am until March 12, 09:00pm
Click here for hazard details and duration
High Wind Watch
Red Flag Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. South wind around 9 mph, with gusts as high as 15 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. South wind 5 to 8 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Breezy, with a west wind 13 to 22 mph, with gusts as high as 37 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 72. Breezy, with a west wind 10 to 20 mph, with gusts as high as 33 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Breezy.
    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 46. Breezy.

    High: 46 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 53. South wind around 9 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 31. South wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 69. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.
Thursday Night
Partly cloudy, with a low around 44. Breezy, with a west wind 13 to 22 mph, with gusts as high as 37 mph.
Friday
Mostly sunny, with a high near 72. Breezy, with a west wind 10 to 20 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 72. Breezy.
Saturday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30. Breezy.
Sunday
A chance of snow. Mostly cloudy, with a high near 46. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22. Breezy.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
12:47 pm MDT Mar 11, 2026
Forecast Valid:
2pm MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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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