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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

82°F

28°C

Humidity 28%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Sep 11:55 am MDT
Extended Forecast for

Longmont CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South wind 5 to 7 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South southeast wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 89. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 89 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Southeast wind around 5 mph becoming light and variable after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 58. South southeast wind around 6 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 89. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 58. Southeast wind around 5 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 91. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Labor Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
2:56 am MDT Sep 1, 2026
Forecast Valid:
12pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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