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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

26°C

79°F

Humidity 70%
Wind Speed SW 7 km/h
Barometer 29.96 in
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index27°C (81°F)
Last update 4 May 11:47 am CDT
Extended Forecast for

3 Miles NE Simpson IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 27. Southwest wind 11 to 13 km/h.

    High: 27 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 17. Southwest wind 5 to 10 km/h becoming north northwest after midnight.

    Low: 17 °C

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 26. Northwest wind 8 to 10 km/h.

    High: 26 °C

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 17. North northeast wind 5 to 10 km/h becoming southeast after midnight. Chance of precipitation is 70%.

    Low: 17 °C

    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 25. South southwest wind 10 to 16 km/h. Chance of precipitation is 80%.

    High: 25 °C

    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. South wind 16 to 21 km/h increasing to 22 to 27 km/h after midnight. Winds could gust as high as 42 km/h.

    Low: 19 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 27. Breezy, with a south southwest wind 29 to 35 km/h, with gusts as high as 50 km/h. Chance of precipitation is 70%.

    High: 27 °C

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 19. South southwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 45 km/h.

    Low: 19 °C

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 28. Breezy, with a south southwest wind 16 to 21 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 47 km/h.

    High: 28 °C

    Slight Chance
    T-storms then
    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 27. Southwest wind 11 to 13 km/h.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 17. Southwest wind 5 to 10 km/h becoming north northwest after midnight.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 26. Northwest wind 8 to 10 km/h.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 17. North northeast wind 5 to 10 km/h becoming southeast after midnight. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 25. South southwest wind 10 to 16 km/h. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. South wind 16 to 21 km/h increasing to 22 to 27 km/h after midnight. Winds could gust as high as 42 km/h.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 27. Breezy, with a south southwest wind 29 to 35 km/h, with gusts as high as 50 km/h. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 19. South southwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 45 km/h.
Wednesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 28. Breezy, with a south southwest wind 16 to 21 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 47 km/h.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 18. South southwest wind 21 to 29 km/h, with gusts as high as 45 km/h.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 27. West wind 18 to 23 km/h, with gusts as high as 32 km/h.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 15. Northwest wind 18 to 21 km/h, with gusts as high as 29 km/h.
Friday
A slight chance of showers. Mostly sunny, with a high near 23. Northwest wind 21 to 26 km/h, with gusts as high as 39 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Simpson IL
 37.5°N 88.71°W
Last Update:
11:50 am CDT May 4, 2024
Forecast Valid:
12pm CDT May 4, 2024-6pm CDT May 10, 2024
 
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Chance of Precipitation