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.

Partly Cloudy

77°F

25°C

Humidity 25%
Wind Speed E 8 mph
Barometer 30.13 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 1 Oct 4:55 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North northeast wind around 5 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Light and variable wind becoming west northwest around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50. North northeast wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 85. Calm wind becoming east southeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 53. Light and variable wind becoming west northwest around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 66.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 72.
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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:
2:07 pm MDT Oct 1, 2025
Forecast Valid:
5pm MDT Oct 1, 2025-6pm MDT Oct 8, 2025
 
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Additional Resources

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