Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

L O Simenstad Municipal Airport (KOEO)

Lat: 45.31°NLon: 92.69°WElev: 886ft.

Fair

72°F

22°C

Humidity 81%
Wind Speed S 3 mph
Barometer 29.97 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 8:55 pm CDT
Extended Forecast for

3 Miles SW Marine On Saint Croix MN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm.  Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. West wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 81. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 81. West wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming light.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. West wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming light.
Saturday
A 20 percent chance of showers before 1pm. Sunny, with a high near 76. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 55. North wind 5 to 10 mph becoming light east northeast in the evening.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marine On Saint Croix MN
 45.16°N 92.82°W (Elev. 951 ft)
6:56 pm CDT Aug 17, 2026
9pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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