Severe Thunderstorms and Heavy Rain for the South-Central U.S.

Severe thunderstorms capable of very large hail, damaging wind, and a couple of tornadoes will be possible Monday afternoon into the night from portions of the central and southern High Plains into southwest Texas. A heavy rain event with flooding is expected in the southern Plains into western Arkansas through the end of the week. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Overcast

56°F

13°C

Humidity 83%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 May 10:35 pm MDT
Extended Forecast for

Longmont CO

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Cloudy, with a low around 48. West northwest wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 48 °F

  • Monday

    Monday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm.  Cloudy, with a high near 62. East wind 3 to 7 mph.  Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 62 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight.  Cloudy, with a low around 49. East wind 5 to 7 mph becoming calm.  Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 49 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 66. Light and variable wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    Showers
    Likely then
    T-storms

    High: 66 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 47. East southeast wind 5 to 7 mph becoming calm  in the evening.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 47 °F

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 71. Chance of precipitation is 60%.

    Slight Chance
    T-storms then
    Showers
    Likely

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 48 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    Mostly Sunny
    then Chance
    T-storms

    High: 78 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 50.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 50 °F

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 2am. Cloudy, with a low around 48. West northwest wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Cloudy, with a high near 62. East wind 3 to 7 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 49. East wind 5 to 7 mph becoming calm. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 66. Light and variable wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47. East southeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
7:02 pm MDT May 16, 2021
10pm MDT May 16, 2021-6pm MDT May 23, 2021
 
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Additional Resources

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Hourly Weather Forecast

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