



Tracking Storm System Across the Eastern U.S.
A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >
Hazardous Weather Conditions

Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78° N Lon: 89.25° W Elev: 400 ft.
Overcast
61°F
16°C
Humidity | 97% |
Wind Speed | SW 6 mph |
Barometer | 29.70 in (1005.4 mb) |
Dewpoint | 60°F (16°C) |
Visibility | 10.00 mi |
Last update | 19 Oct 1:52 am CDT |
Detailed forecast for
Union County
Overnight
Showers likely. Lows in the lower 50s. West winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.
Sunday
Partly sunny with showers likely in the morning, then sunny in the afternoon. Much cooler with highs in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.
Sunday Night
Clear. Lows in the lower 40s. West winds 5 to 10 mph, becoming southwest after midnight.
Monday
Sunny. Highs around 70. South winds 10 to 15 mph.
Monday Night
Mostly clear. Lows in the lower 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming southwest 5 to 10 mph after midnight.
Tuesday Through Wednesday Night
Clear. Highs in the upper 60s. Lows in the lower 40s.
Thursday
Sunny. Highs in the upper 60s.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s.
Friday Through Saturday
Mostly cloudy with a 40 percent chance of showers. Highs around 60. Lows in the upper 40s.
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