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 31%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 6 Jul 5:15 pm MDT
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Areas of smoke. Partly sunny and hot, with a high near 98. East northeast wind around 7 mph.

    High: 98 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy smoke before midnight. Partly cloudy, with a low around 63. East wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

    Low: 63 °F

    Patchy Smoke
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Areas of smoke after noon. Mostly sunny, with a high near 94. Light and variable wind becoming west northwest 6 to 11 mph in the morning.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm. Patchy smoke before midnight. Partly cloudy, with a low around 62. North northeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 16 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Areas of smoke. Partly sunny and hot, with a high near 98. East northeast wind around 7 mph.
Tonight
Patchy smoke before midnight. Partly cloudy, with a low around 63. East wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Areas of smoke after noon. Mostly sunny, with a high near 94. Light and variable wind becoming west northwest 6 to 11 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Patchy smoke before midnight. Partly cloudy, with a low around 62. North northeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 16 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny and hot, with a high near 99. Breezy.
Sunday Night
Mostly clear, with a low around 65. Breezy.
Monday
Sunny and hot, with a high near 100. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
12:46 pm MDT Jul 6, 2026
Forecast Valid:
5pm MDT Jul 6, 2026-6pm MDT Jul 13, 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