National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Storms & Heavy Rainfall Possible in the Plains; Critical Fire Weather Conditions for Parts of the West

Scattered severe thunderstorms and locally heavy rainfall are possible across portions of the Plains today. Meanwhile, dry weather and gusty winds will result in critical fire weather conditions across the Great Basin and northern Rockies. Elsewhere, tropical storm Dorian in the Atlantic is expected to slowly strengthen and will likely approach the Lesser Antilles by Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Fair

63°F

17°C

Humidity 56%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 25 Aug 7:35 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: Mostly sunny, with a high near 95. Breezy, with a light west northwest wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

    High: 95 °F

  • Tonight

    Tonight: Mostly clear, with a low around 60. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Mostly Clear

    Low: 60 °F

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming north northeast 5 to 7 mph in the morning.

    Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 54. East wind around 6 mph becoming calm in the evening.

    Mostly Clear

    Low: 54 °F

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming north northeast 5 to 7 mph in the morning.

    Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 52 °F

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    Sunny

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 56.

    Clear

    Low: 56 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 91.

    Sunny then
    Slight Chance
    T-storms

    High: 91 °F

Detailed Forecast

Today
Mostly sunny, with a high near 95. Breezy, with a light west northwest wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 60. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 83. Light and variable wind becoming north northeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 54. East wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Calm wind becoming north northeast 5 to 7 mph in the morning.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 56.
Thursday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 91.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
5:28 am MDT Aug 25, 2019
Forecast Valid:
7am MDT Aug 25, 2019-6pm MDT Aug 31, 2019
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation