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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

77°F

25°C

Humidity	89%
Wind Speed	Calm
Barometer	29.97 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	4 Sep 3:35 am CDT

More Information:

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

Extended Forecast for

Energy IL

Extreme Heat Warning September 4, 03:49am until September 5, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning September 4, 03:49am until September 5, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Overnight
Low: 76 °F
Clear
Friday
High: 100 °F
Sunny then
Slight Chance
Showers
Friday Night
Low: 76 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 72 °F
Mostly Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Labor Day
High: 93 °F
Sunny

Detailed Forecast

Overnight

Clear, with a low around 76. Calm wind.

Friday

A 20 percent chance of showers after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming south southwest around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 76. Calm wind.

Saturday

Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming northwest around 6 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 72. Calm wind.

Sunday

Sunny, with a high near 95. Light north northeast wind increasing to 5 to 10 mph in the morning.

Sunday Night

Mostly clear, with a low around 66. Northeast wind 5 to 9 mph becoming light east northeast after midnight.

Labor Day

Sunny, with a high near 93. East northeast wind 3 to 7 mph.