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

Significant Severe Weather Outbreak Likely Today

A significant severe thunderstorm outbreak is likely for portions of the Midwest this afternoon and evening, especially from eastern Iowa into northern and central Illinois. The threats include tornadoes, a few which may be significant, large to very large hail, and damaging winds. A powerful system near the Central Plains will lift north and clash with a warm and humid air mass over the region. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

52°F

11°C

Humidity 18%
Wind Speed W 14 G 21 mph
Barometer 29.89 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 28 Mar 12:55 pm MDT
Extended Forecast for

Longmont CO

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 53. Breezy, with a west northwest wind around 17 mph, with gusts as high as 26 mph.

    Sunny and
    Breezy

    High: 53 °F

  • Tonight

    Tonight: Mostly clear, with a low around 28. West northwest wind 9 to 14 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.

    Mostly Clear

    Low: 28 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    Mostly Sunny

    High: 54 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 31. South wind around 6 mph becoming calm in the evening.

    Mostly Cloudy

    Low: 31 °F

  • Monday

    Monday: A 40 percent chance of showers after noon. Partly sunny, with a high near 55. Calm wind becoming northwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    Partly Sunny
    then Chance
    Showers

    High: 55 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 33.

    Partly Cloudy

    Low: 33 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    Mostly Sunny

    High: 61 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Partly Cloudy

    Low: 33 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    Mostly Sunny

    High: 56 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 53. Breezy, with a west northwest wind around 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 28. West northwest wind 9 to 14 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 54. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. South wind around 6 mph becoming calm in the evening.
Monday
A 40 percent chance of showers after noon. Partly sunny, with a high near 55. Calm wind becoming northwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
A slight chance of showers. Partly sunny, with a high near 51.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
10:59 am MDT Mar 28, 2020
Forecast Valid:
1pm MDT Mar 28, 2020-6pm MDT Apr 3, 2020
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation