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

80°F

27°C

Humidity 41%
Wind Speed NW 3 mph
Barometer 30.08 in
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 16 Jul 4:35 pm MDT
Extended Forecast for

Longmont CO

Severe T-storm Watch until July 16, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until July 16, 10:00pm

    NOW until 10:00pm Wed

    Severe T-storm Watch

  • This Afternoon

    High: 77 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 58. East southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South southeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 93. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 77. East northeast wind around 8 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 58. East southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. South southeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Friday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 93. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Friday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Saturday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
2:48 pm MDT Jul 16, 2025
Forecast Valid:
4pm MDT Jul 16, 2025-6pm MDT Jul 23, 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