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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

85°F

29°C

Humidity	68%
Wind Speed	W 8 mph
Barometer	29.93 in (1013.2 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	19 Aug 3:52 pm CDT

More Information:

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

Extended Forecast for

3 Miles SSE Alto Pass IL

Heat Advisory August 19, 04:17pm until August 19, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 19, 04:17pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
This Afternoon
High: 92 °F
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms then
Patchy Fog
Wednesday
High: 89 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 87 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 65 °F
Clear

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 92. Light west northwest wind.

Tonight

A 30 percent chance of showers and thunderstorms before 10pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 73. Light and variable wind.

Wednesday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. North northeast wind 6 to 9 mph.

Wednesday Night

Mostly clear, with a low around 67. North northeast wind 5 to 7 mph.

Thursday

Mostly sunny, with a high near 87. North northeast wind 6 to 8 mph.

Thursday Night

Mostly clear, with a low around 66. North northeast wind around 6 mph becoming calm in the evening.

Friday

Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.

Friday Night

Clear, with a low around 65. Light north northeast wind.