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

96°F

36°C

Humidity 6%
Wind Speed W 15 G 25 mph
Barometer 30.11 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 5 Aug 11:55 am MDT
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: Areas of smoke after 4pm. Sunny and hot, with a high near 98. West wind around 9 mph, with gusts as high as 18 mph.

    High: 98 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 61. West wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 61 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke. Mostly sunny and hot, with a high near 97. West wind 3 to 8 mph.

    High: 97 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. South southwest wind 5 to 7 mph becoming west in the evening.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. West wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: 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
Areas of smoke after 4pm. Sunny and hot, with a high near 98. West wind around 9 mph, with gusts as high as 18 mph.
Tonight
Areas of smoke. Mostly clear, with a low around 61. West wind 5 to 8 mph, with gusts as high as 16 mph.
Wednesday
Areas of smoke. Mostly sunny and hot, with a high near 97. West wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 63. South southwest wind 5 to 7 mph becoming west in the evening.
Thursday
Mostly sunny and hot, with a high near 100. West wind 5 to 9 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Partly sunny and hot, with a high near 98.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
10:41 am MDT Aug 5, 2025
Forecast Valid:
12pm MDT Aug 5, 2025-6pm MDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation