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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Longmont CO

  • Today

    Today: A 40 percent chance of rain, mainly after 3pm. Mostly cloudy, with a high near 53. Northeast wind around 6 mph.

    High: 53 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Low around 38. North northeast wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 11am. Cloudy, with a high near 47. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56. Calm wind.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 3pm. Mostly cloudy, with a high near 53. Northeast wind around 6 mph.
Tonight
Rain. Low around 38. North northeast wind 3 to 5 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 11am. Cloudy, with a high near 47. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 31. Calm wind.
Saturday
Sunny, with a high near 56. Calm wind.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 52.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 29.
Tuesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 43.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 19.
Wednesday
A slight chance of snow showers. Partly sunny, with a high near 37.
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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:
3:26 am MST Nov 20, 2025
Forecast Valid:
11am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
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