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

54°F

12°C

Humidity 27%
Wind Speed W 6 mph
Barometer 29.80 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 12 Apr 4:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Sunny, with a high near 76. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 42. West wind 5 to 10 mph becoming light west northwest in the evening. Winds could gust as high as 16 mph.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Breezy.

    High: 73 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 76. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 43. West wind 5 to 10 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 72. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 42. West wind 5 to 10 mph becoming light west northwest in the evening. Winds could gust as high as 16 mph.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 73. Breezy.
Thursday Night
A slight chance of rain showers after midnight, mixing with snow after 3am. Partly cloudy, with a low around 37. Breezy.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 57.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 27.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 50.
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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:
12:47 am MDT Apr 12, 2026
Forecast Valid:
4am MDT Apr 12, 2026-6pm MDT Apr 18, 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