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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

60°F

16°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 10:52 pm CDT
Extended Forecast for

5 Miles WNW Wolf Lake IL

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South southwest wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. South southeast wind 5 to 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88. South wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 69. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. South southwest wind around 9 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

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

    Low: 69 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. South southwest wind around 6 mph.
Wednesday
Sunny, with a high near 77. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Clear, with a low around 50. North northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind.
Thursday Night
Partly cloudy, with a low around 57. South southeast wind 5 to 8 mph.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. South wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind around 9 mph.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. South wind around 8 mph.
Sunday
Mostly sunny, with a high near 89. South wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 11 to 14 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. South wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. South southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Wolf Lake IL
 37.55°N 89.52°W
5:35 pm CDT May 12, 2026
11pm CDT May 12, 2026-6pm CDT May 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database