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

28°F

-2°C

Humidity 83%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Mar 6:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Partly sunny, with a high near 82. Light west wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. West wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. West southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. West southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. West wind 5 to 14 mph, with gusts as high as 30 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow showers, mainly after noon. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, mainly after noon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 82. Light west wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 49. West wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 81. West southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 49. West southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 81. West wind 5 to 14 mph, with gusts as high as 30 mph.
Monday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40.
Tuesday
Rain likely, possibly mixed with snow showers, mainly after noon. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 31.
Wednesday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 37.
Thursday
A slight chance of showers. Mostly sunny, with a high near 72. Breezy.
Thursday Night
A chance of showers. Partly cloudy, with a low around 37. Breezy.
Friday
A chance of showers. Partly sunny, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
2:45 am MDT Mar 28, 2026
Forecast Valid:
6am MDT Mar 28, 2026-6pm MDT Apr 3, 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