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

63°F

17°C

Humidity 17%
Wind Speed W 16 G 30 mph
Barometer 29.95 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Mar 11:15 am MDT
Extended Forecast for

Longmont CO

Red Flag Warning March 14, 11:00am until March 14, 09:00pm
Red Flag Warning until March 13, 08:00pm
Click here for hazard details and duration
Red Flag Warning
Red Flag Warning
  •  
    Red Flag Warning until March 13, 08:00pm

    NOW until 8:00pm Fri

    Red Flag Warning

  • Today

    High: 71 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Breezy, with a west wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 73 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: A chance of rain before midnight, then rain and snow between midnight and 3am, then snow after 3am. Low around 25. Windy, with a west wind 17 to 25 mph becoming north northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Rain
    and Windy
    then
    Rain/Snow and
    Blustery

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 37. Windy, with a north wind 20 to 25 mph, with gusts as high as 38 mph.

    High: 37 °F

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 71. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 43. Breezy, with a west wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 73. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Saturday Night
A chance of rain before midnight, then rain and snow between midnight and 3am, then snow after 3am. Low around 25. Windy, with a west wind 17 to 25 mph becoming north northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 37. Windy, with a north wind 20 to 25 mph, with gusts as high as 38 mph.
Sunday Night
Mostly cloudy, with a low around 16. Blustery.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 89.
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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:
3:41 am MDT Mar 13, 2026
Forecast Valid:
11am MDT Mar 13, 2026-6pm MDT Mar 19, 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