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

42°F

6°C

Humidity 56%
Wind Speed NE 10 mph
Barometer 30.15 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 31 Mar 8:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: A 30 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 59. Northeast wind 6 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers. Mostly cloudy, with a low around 37. East wind 6 to 8 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 63. North wind 5 to 8 mph. Chance of precipitation is 70%.

    High: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before midnight. Mostly cloudy, with a low around 37. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 29 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers. Partly sunny, with a high near 55. Breezy. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A chance of rain showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 28. Blustery.

    Low: 28 °F

    Chance
    Showers and
    Blustery then
    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 59. Northeast wind 6 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.
Tonight
A 40 percent chance of showers. Mostly cloudy, with a low around 37. East wind 6 to 8 mph becoming north after midnight.
Wednesday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 63. North wind 5 to 8 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely before midnight. Mostly cloudy, with a low around 37. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 75. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 29 mph.
Thursday Night
A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 55. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of rain showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 28. Blustery.
Saturday
A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 69.
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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:
2:32 am MDT Mar 31, 2026
Forecast Valid:
8am MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
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