Extreme Heat Overspreads the Central and Southern U.S., Pushing East Through Midweek; Severe Weather and Excessive Rain for Portions of the Upper Midwest

Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Severe storms for parts of the northern Plains & upper Midwest tonight & Wednesday- threats include a few tornadoes, damaging winds & excessive rain. Heavy rain may impact portions of the Southeast and Southwest into tonight. A tropical disturbance brings heavy rain to Guam & the Marianas through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

81°F

27°C

Humidity	85%
Wind Speed	SE 6 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	22 Jul 8:52 pm CDT

More Information:

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

Extended Forecast for

Altenburg MO

Extreme Heat Warning July 22, 09:31pm until July 24, 07:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 22, 09:31pm until July 24, 07:00pm
NOW until 7:00pm Thu
Extreme Heat Warning
Tonight
Low: 75 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 95 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 95 °F
Sunny
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 75 °F
Partly Cloudy
Saturday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 75. Light south southeast wind.

Wednesday

Patchy fog before 8am. Otherwise, sunny, with a high near 95. Heat index values as high as 110. Calm wind becoming south around 5 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 77. South southeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 95. Heat index values as high as 109. South wind 3 to 7 mph.

Thursday Night

Mostly clear, with a low around 77. South wind around 6 mph.

Friday

Sunny, with a high near 93. South wind 5 to 7 mph.

Friday Night

Partly cloudy, with a low around 75. South wind around 6 mph.

Saturday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 5 to 7 mph.