Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78° N Lon: 89.25° W Elev: 400 ft.

Fair

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1015.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 26 May 12:52 am CDT
Detailed forecast for

Jackson County

Overnight
Mostly cloudy. Near steady temperature in the upper 60s. Northeast winds around 5 mph.
Tuesday
A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. East winds around 5 mph. Chance of rain 70 percent.
Tuesday Night
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
Wednesday
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. West winds around 5 mph. Chance of rain 40 percent.
Wednesday Night
Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
Thursday And Thursday Night
Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Friday
Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
Friday Night And Saturday
Mostly cloudy. Lows in the lower 60s. Highs around 80.
Saturday Night Through Monday
Partly cloudy. Lows in the upper 50s. Highs around 80.



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127 AM CDT Tue May 26 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database