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

80°F

27°C

Humidity 9%
Wind Speed W 13 G 20 mph
Barometer 29.95 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Mar 5:15 pm MDT
Extended Forecast for

Longmont CO

Red Flag Warning March 30, 11:00am until March 30, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. Breezy, with a west wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Breezy, with a west wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 57. North northeast wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 36. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after noon. Mostly sunny, with a high near 73. Breezy.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers, mainly before midnight. Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. West wind 5 to 11 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 80. Breezy, with a west wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Breezy, with a west wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph.
Tuesday
A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 57. North northeast wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 36. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 36.
Thursday
A slight chance of showers after noon. Mostly sunny, with a high near 73. Breezy.
Thursday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 40. Breezy.
Friday
A chance of showers, mainly after noon. Partly sunny, with a high near 59. Breezy.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 29. Blustery.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 51.
Saturday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
12:46 pm MDT Mar 29, 2026
Forecast Valid:
5pm MDT Mar 29, 2026-6pm MDT Apr 5, 2026
 
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