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

88°F

31°C

Humidity 23%
Wind Speed E 7 mph
Barometer 29.99 in
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 3 Jul 11:55 am MDT
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. East southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 95 °F

    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 63. East southeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 63 °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 91. 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: 91 °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 south southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °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

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. East southeast wind 6 to 9 mph, with gusts as high as 18 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 63. East southeast wind 5 to 9 mph becoming light and variable after midnight. 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 91. 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 south southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 57.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 57.
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 60.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
4:21 am MDT Jul 3, 2025
Forecast Valid:
12pm MDT Jul 3, 2025-6pm MDT Jul 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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