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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Mostly Cloudy

47°F

8°C

Humidity 71%
Wind Speed S 3 mph
Barometer 29.94 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 28 Apr 9:55 am MDT
Extended Forecast for

Longmont CO

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 59. East wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 40%.

    Chance
    Showers

    High: 59 °F

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 15 mph.

    Chance
    Showers then
    Mostly Clear

    Low: 38 °F

  • Monday

    Monday: Sunny, with a high near 69. West wind 5 to 11 mph becoming south in the morning. Winds could gust as high as 18 mph.

    Sunny

    High: 69 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 42. West southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Partly Cloudy

    Low: 42 °F

  • Tuesday

    Tuesday: Sunny, with a high near 72. West northwest wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph.

    Sunny

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 43. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 43 °F

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 68. Chance of precipitation is 50%.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 41.

    Showers
    Likely

    Low: 41 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 54.

    Chance
    Showers

    High: 54 °F

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 59. East wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 40%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 69. West wind 5 to 11 mph becoming south in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 42. West southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 72. West northwest wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 43. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 68. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 41.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 54.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
Last Update:
2:42 am MDT Apr 28, 2024
Forecast Valid:
10am MDT Apr 28, 2024-6pm MDT May 4, 2024
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation