Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Longmont CO

  • Today

    Today: Sunny, with a high near 38. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West wind 3 to 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. South southwest wind around 5 mph becoming light and variable  in the afternoon.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 2am.  Mostly cloudy, with a low around 24. Calm wind.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 31. Light and variable wind becoming north northeast around 6 mph.  Chance of precipitation is 70%.

    High: 31 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 38. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 18. West wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 45. South southwest wind around 5 mph becoming light and variable in the afternoon.
Tuesday Night
Snow likely, mainly after 2am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Light and variable wind becoming north northeast around 6 mph. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 49.
Saturday Night
A slight chance of rain and snow. Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Longmont CO
 40.16°N 105.09°W (Elev. 4980 ft)
3:26 am MST Dec 1, 2025
8am MST Dec 1, 2025-6pm MST Dec 7, 2025
 
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