Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

58°F

14°C

Humidity 73%
Wind Speed S 7 mph
Barometer 30.03 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 12 May 10:35 pm CDT
Extended Forecast for

Pittsburg IL

  • Tonight

    Tonight: Mostly clear early, then becoming mostly cloudy, with a low around 61. South southwest wind around 7 mph.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49. North northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Light east northeast wind.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East southeast wind 3 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 85. South southeast wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. South southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 89. South southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 69. South wind around 8 mph.

    Low: 69 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear early, then becoming mostly cloudy, with a low around 61. South southwest wind around 7 mph.
Wednesday
Sunny, with a high near 75. Northwest wind 6 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 49. North northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. Light east northeast wind.
Thursday Night
Partly cloudy, with a low around 55. East southeast wind 3 to 8 mph.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. South southeast wind 9 to 17 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 69. South southwest wind around 11 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. South southwest wind around 10 mph, with gusts as high as 18 mph.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. South wind around 8 mph.
Sunday
Mostly sunny, with a high near 89. South wind 8 to 17 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 71. South wind 11 to 16 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 13 to 18 mph, with gusts as high as 26 mph.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. South wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg IL
 37.78°N 88.86°W
5:35 pm CDT May 12, 2026
10pm CDT May 12, 2026-6pm CDT May 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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