Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

42°F

6°C

Humidity 50%
Wind Speed N 6 mph
Barometer 29.91 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Dec 6:35 am MST
Extended Forecast for

Longmont CO

  • Today

    Today: Mostly sunny, with a high near 52. Windy, with a northwest wind 7 to 17 mph increasing to 20 to 30 mph in the morning. Winds could gust as high as 41 mph.

    Mostly Sunny
    and Windy

    High: 52 °F

  • Tonight

    Tonight: Mostly clear, with a low around 23. North northwest wind 5 to 10 mph becoming west southwest after midnight.

    Mostly Clear

    Low: 23 °F

  • Thursday

    Thursday: Sunny, with a high near 50. West southwest wind 3 to 7 mph.

    Sunny

    High: 50 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 27. West southwest wind 3 to 6 mph.

    Mostly Clear

    Low: 27 °F

  • Friday

    Friday: Mostly sunny, with a high near 59. Breezy, with a west southwest wind 6 to 16 mph, with gusts as high as 20 mph.

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

    High: 59 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 26.

    Partly Cloudy

    Low: 26 °F

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 40.

    Slight Chance
    Snow Showers

    High: 40 °F

  • Saturday
    Night

    Saturday Night: A slight chance of snow showers before 11pm.  Partly cloudy, with a low around 19.

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

    Low: 19 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    Mostly Sunny

    High: 44 °F

Detailed Forecast

Today
Mostly sunny, with a high near 52. Windy, with a northwest wind 7 to 17 mph increasing to 20 to 30 mph in the morning. Winds could gust as high as 41 mph.
Tonight
Mostly clear, with a low around 23. North northwest wind 5 to 10 mph becoming west southwest after midnight.
Thursday
Sunny, with a high near 50. West southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 27. West southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 59. Breezy, with a west southwest wind 6 to 16 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 40.
Saturday Night
A slight chance of snow showers before 11pm. Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 22.
Christmas Day
Mostly sunny, with a high near 44.
Click Map For Forecast
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
6:00 am MST Dec 19, 2018
6am MST Dec 19, 2018-6pm MST Dec 25, 2018
 
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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