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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

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

Overcast

81°F

27°C

Humidity	89%
Wind Speed	NA
Barometer	29.91 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	19 Jul 5:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Union County

Tonight

Partly cloudy. A chance of showers and thunderstorms this evening. Lows in the lower 70s. Northeast winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent.

Monday

Mostly sunny. Humid with highs in the lower 90s. Calm winds.

Monday Night

Mostly clear. Humid with lows in the mid 70s. Calm winds, becoming south around 5 mph after midnight.

Tuesday

Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds around 5 mph. Chance of rain 40 percent. Highest heat index readings heat index readings up to 110 in the afternoon.

Tuesday Night

Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. North winds around 5 mph. Chance of rain 50 percent.

Wednesday And Wednesday Night

Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

Thursday And Thursday Night

Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.

Friday

Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 30 percent.

Friday Night

Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent.

Saturday

Partly sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 30 percent.

Saturday Night And Sunday

Partly cloudy. Lows around 70. Highs in the lower 90s.