Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 20, 12:00 PM CDT until July 20, 08:00 PM CDT

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

75°F

24°C

Humidity	96%
Wind Speed	S 6 mph
Barometer	30.00 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	19 Jul 11:55 pm CDT

More Information:

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

Extended Forecast for

Whiteash IL

Heat Advisory July 20, 12:00pm until July 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 76 °F
Partly Cloudy
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 77 °F
Slight Chance
T-storms
Monday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 76 °F
Slight Chance
T-storms
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 96 °F
Mostly Sunny
Wednesday Night
Low: 77 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 76. Southwest wind around 6 mph.

Sunday

Mostly sunny, with a high near 94. Heat index values as high as 106. Southwest wind 6 to 10 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. South southwest wind around 6 mph.

Monday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind around 6 mph.

Monday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 77. Light southeast wind.

Wednesday

Mostly sunny, with a high near 96. Calm wind becoming south around 6 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 77. Light southeast wind.

Thursday

Mostly sunny, with a high near 96. South wind 3 to 7 mph.

Thursday Night

Mostly clear, with a low around 78. South wind 3 to 6 mph.