Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 13, 08:00 PM CDT

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

80°F

27°C

Humidity	87%
Wind Speed	S 5 mph
Barometer	29.88 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	12 Aug 1:35 am CDT

More Information:

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

Extended Forecast for

2 Miles WSW Godfrey IL

Extreme Heat Warning August 12, 01:48am until August 13, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 12, 01:48am until August 13, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
Overnight
Low: 77 °F
Partly Cloudy
Wednesday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 76 °F
Chance
T-storms
Thursday
High: 92 °F
Slight Chance
T-storms then
Mostly Sunny
Thursday Night
Low: 76 °F
Partly Cloudy
Friday
High: 97 °F
Hot
Friday Night
Low: 77 °F
Mostly Clear
Saturday
High: 99 °F
Hot

Detailed Forecast

Overnight

Partly cloudy, with a low around 77. Southwest wind around 7 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Heat index values as high as 106. Southwest wind 6 to 8 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. East wind around 7 mph becoming south after midnight.

Thursday

A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 92. Heat index values as high as 101. South wind 6 to 9 mph.

Thursday Night

Partly cloudy, with a low around 76. South wind 6 to 8 mph becoming west after midnight.

Friday

Mostly sunny and hot, with a high near 97.

Friday Night

Mostly clear, with a low around 77.

Saturday

Sunny and hot, with a high near 99.

Saturday Night

Mostly clear, with a low around 77.

Sunday

Sunny, with a high near 96.