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

51°F

11°C

Humidity 54%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 May 4:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 79. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 79 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Breezy, with a light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. North wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 79. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 83. Breezy, with a light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Monday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. North wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Tuesday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 68.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
Last Update:
3:59 am MDT May 18, 2024
Forecast Valid:
4am MDT May 18, 2024-6pm MDT May 24, 2024
 
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