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

47°F

8°C

Humidity 26%
Wind Speed SW 10 mph
Barometer 30.16 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 3 Apr 7:35 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. East wind 5 to 8 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming east southeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. East wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon. Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 63. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 33. East wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69. Calm wind becoming east southeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 35. East wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 67.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers after noon. Partly sunny, with a high near 73.
Tuesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 75. Breezy.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 38.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 64.
Thursday Night
A chance of showers. Cloudy, with a low around 35.
Friday
Rain and snow showers likely. Mostly cloudy, with a high near 58.
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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:
6:27 pm MDT Apr 3, 2026
Forecast Valid:
8pm MDT Apr 3, 2026-6pm MDT Apr 10, 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