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

Active Pattern for the Center of the Nation

Critical fire weather conditions, severe thunderstorms capable of producing severe wind gusts, large hail, strong tornadoes and heavy rainfall remain on tap for the central U.S. this evening. Flash flooding is also possible for portions of the Plains and Mississippi Valley. Very large hail up to 3 inches in diameter will be possible this evening across western Kansas. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

13°C

56°F

Humidity 54%
Wind Speed E 11 km/h
Barometer 30.09 in
Dewpoint 4°C (39°F)
Visibility 16 km
Last update 26 Apr 1:15 am CDT
Extended Forecast for

Simpson IL

  • Overnight

    Overnight: A 50 percent chance of showers, mainly after 2am. Cloudy, with a low around 11. East southeast wind 5 to 8 km/h.

    Chance
    Showers

    Low: 11 °C

  • Friday

    Friday: A chance of showers before 1pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 26. South wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 30%.

    Chance
    Showers then
    Chance
    T-storms

    High: 26 °C

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. South wind 18 to 26 km/h, with gusts as high as 42 km/h.

    Chance
    T-storms then
    Chance
    Showers

    Low: 18 °C

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 28. Breezy, with a south wind 26 to 31 km/h increasing to 32 to 37 km/h in the morning. Winds could gust as high as 60 km/h.

    Breezy.
    Slight Chance
    T-storms then
    Chance
    Showers

    High: 28 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 19. South wind 27 to 29 km/h, with gusts as high as 47 km/h.

    Partly Cloudy

    Low: 19 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Breezy, with a south wind 29 to 34 km/h increasing to 37 to 42 km/h in the morning. Winds could gust as high as 65 km/h.

    Mostly Sunny
    and Breezy

    High: 29 °C

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Breezy, with a south wind 37 to 42 km/h decreasing to 29 to 34 km/h after midnight. Winds could gust as high as 65 km/h.

    Chance
    T-storms and
    Breezy

    Low: 17 °C

  • Monday

    Monday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 23. South wind 27 to 29 km/h, with gusts as high as 45 km/h.

    Showers

    High: 23 °C

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 15. South southwest wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 34 km/h.

    Chance
    T-storms

    Low: 15 °C

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly after 2am. Cloudy, with a low around 11. East southeast wind 5 to 8 km/h.
Friday
A chance of showers before 1pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 26. South wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 30%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. South wind 18 to 26 km/h, with gusts as high as 42 km/h.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 28. Breezy, with a south wind 26 to 31 km/h increasing to 32 to 37 km/h in the morning. Winds could gust as high as 60 km/h.
Saturday Night
Partly cloudy, with a low around 19. South wind 27 to 29 km/h, with gusts as high as 47 km/h.
Sunday
Mostly sunny, with a high near 29. Breezy, with a south wind 29 to 34 km/h increasing to 37 to 42 km/h in the morning. Winds could gust as high as 65 km/h.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Breezy, with a south wind 37 to 42 km/h decreasing to 29 to 34 km/h after midnight. Winds could gust as high as 65 km/h.
Monday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 23. South wind 27 to 29 km/h, with gusts as high as 45 km/h.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 15. South southwest wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 34 km/h.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 27. South southwest wind 11 to 16 km/h.
Tuesday Night
Partly cloudy, with a low around 16. South wind around 14 km/h.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 27. South southwest wind 14 to 18 km/h becoming west in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14. North wind around 14 km/h.
Thursday
A slight chance of showers. Mostly sunny, with a high near 25. North northeast wind 16 to 21 km/h, with gusts as high as 29 km/h.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Simpson IL
 37.46°N 88.77°W
Last Update:
12:02 am CDT Apr 26, 2024
Forecast Valid:
1am CDT Apr 26, 2024-6pm CDT May 2, 2024
 
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Additional Resources

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High Temperature

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Chance of Precipitation