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

  • Tonight

    Tonight: A 40 percent chance of showers. Mostly cloudy, with a low around 37. East wind 5 to 7 mph becoming north after midnight.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 64. North northeast wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 64 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before midnight. Mostly cloudy, with a low around 37. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. Light south southwest wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 29 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. West southwest wind 6 to 14 mph becoming north northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow showers before noon, then a chance of rain and snow showers. Partly sunny, with a high near 55. Breezy. Chance of precipitation is 30%.

    High: 55 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow showers before midnight. Partly cloudy, with a low around 29. Blustery. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow and
    Blustery then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers. Mostly cloudy, with a low around 37. East wind 5 to 7 mph becoming north after midnight.
Wednesday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 64. North northeast wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely before midnight. Mostly cloudy, with a low around 37. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 72. Light south southwest wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 29 mph.
Thursday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. West southwest wind 6 to 14 mph becoming north northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Friday
A slight chance of snow showers before noon, then a chance of rain and snow showers. Partly sunny, with a high near 55. Breezy. Chance of precipitation is 30%.
Friday Night
A slight chance of rain and snow showers before midnight. Partly cloudy, with a low around 29. Blustery. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
4:48 pm MDT Mar 31, 2026
Forecast Valid:
6pm MDT Mar 31, 2026-6pm MDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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