Severe Thunderstorms in West Texas; Heavy Rainfall in the Southeast U.S.

Scattered strong to severe storms capable of sporadic large hail and severe winds are expected this afternoon and evening across portions of western Texas. Widespread showers and thunderstorms may produce isolated flash flooding across the Ozarks today and the Southeast into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

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

Mostly Cloudy

77°F

25°C

Humidity 82%
Wind Speed NE 7 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 May 2:52 pm CDT
Detailed forecast for

Union County

This Afternoon
Partly sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. East winds around 5 mph. Chance of rain 50 percent.
Tonight
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. East winds around 5 mph. Chance of rain 40 percent.
Sunday
Mostly sunny. Highs in the lower 80s. East winds around 5 mph.
Sunday Night
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
Monday
A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Southeast winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 70 percent.
Monday Night And Tuesday
Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Tuesday Night Through Wednesday Night
Clear. Lows in the upper 50s. Highs around 80.
Thursday And Thursday Night
Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Friday
Mostly sunny. Highs in the mid 80s.



Basemap Options
Click map to change the forecast location
Loading map...
117 PM CDT Sat May 30 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database