Heavy Rain in the Southeast from Cold Front/Tropical Depression; Building Heat and Monsoon in the West

A cold front will shift across the southeast on Tuesday with a threat for flash flooding from slow moving thunderstorms while Tropical Depression 3 brings heavy rain to eastern Florida. Monsoonal moisture in the Southwest will bring a marginal threat for flash flooding to the Four Corners states. Excessive heat is forecast to return to southern Arizona and California this week. Read More >

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

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

Fair

70°F

21°C

Humidity 84%
Wind Speed N 5 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 22 Jul 9:52 pm CDT
Detailed forecast for

Union County

Tonight
Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph.
Tuesday
Sunny. Highs around 80. North winds around 10 mph.
Tuesday Night
Clear. Lows in the lower 60s. North winds around 5 mph in the evening shifting to the south after midnight.
Wednesday
Mostly sunny. Highs in the lower 80s. Northeast winds 5 mph.
Wednesday Night
Clear. Lows in the lower 60s. Northeast winds 5 mph in the evening becoming calm after midnight.
Thursday
Sunny. Highs in the mid 80s.
Thursday Night
Clear. Lows in the lower 60s.
Friday
Mostly sunny. Highs in the mid 80s.
Friday Night
Mostly clear. Lows in the mid 60s.
Saturday
Mostly sunny. Highs in the upper 80s.
Saturday Night
Mostly clear. Lows in the upper 60s.
Sunday
Mostly sunny. Highs in the upper 80s.
Sunday Night
Mostly clear. Lows around 70.
Monday
Mostly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s.



Click Map For Forecast
732 PM CDT Mon Jul 22 2019
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database