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

74°F

23°C

Humidity 36%
Wind Speed N 5 mph
Barometer 30.04 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Jul 8:15 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Light and variable wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 64. East southeast wind 5 to 9 mph becoming west northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Independence Day

    Independence Day: A slight chance of showers before 9am, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. West wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Light and variable wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 64. East southeast wind 5 to 9 mph becoming west northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Independence Day
A slight chance of showers before 9am, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 59. West wind 3 to 6 mph. Winds could gust as high as 15 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Saturday Night
Mostly clear, with a low around 58.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 58.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 58.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
4:21 am MDT Jul 3, 2025
Forecast Valid:
8am MDT Jul 3, 2025-6pm MDT Jul 9, 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