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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

84°F

29°C

Humidity	70%
Wind Speed	W 8 mph
Barometer	30.06 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	16 Aug 8:52 am CDT

More Information:

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

Extended Forecast for

4 Miles NNW Vergennes IL

Extreme Heat Warning August 16, 08:57am until August 16, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 16, 08:57am until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Today
High: 96 °F
Partly Sunny
then Slight
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms
Monday
High: 88 °F
Slight Chance
Showers then
Mostly Sunny
Monday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
then Chance
T-storms
Wednesday
High: 91 °F
Chance
Showers
Wednesday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 96. Heat index values as high as 114. Light and variable wind becoming west around 6 mph in the morning.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light north northwest wind. Chance of precipitation is 40%.

Monday

A 10 percent chance of showers before 7am. Mostly sunny, with a high near 88. North northwest wind 3 to 7 mph.

Monday Night

Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 90. Calm wind.

Tuesday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Light and variable wind.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Northeast wind 3 to 6 mph.

Thursday

A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. North northeast wind 3 to 7 mph.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming north northeast around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 64. Light north northeast wind.

Saturday

Mostly sunny, with a high near 87. Calm wind becoming north northwest around 6 mph in the afternoon.