Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

75°F

24°C

Humidity	84%
Wind Speed	S 7 mph
Barometer	29.95 in (1013.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	19 Aug 9:53 am CDT

More Information:

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

Extended Forecast for

4 Miles SW Smithton IL

Today
High: 81 °F
Showers then
Scattered
T-storms
Tonight
Low: 67 °F
Scattered
T-storms
Thursday
High: 82 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 82 °F
Mostly Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm before 10am, then scattered showers and thunderstorms, mainly between 10am and 2pm. High near 81. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%.

Tonight

Scattered showers and thunderstorms, mainly between 9pm and 1am. Mostly cloudy, with a low around 67. Light north wind. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph.

Thursday Night

Mostly clear, with a low around 65. Calm wind.

Friday

Sunny, with a high near 85. Calm wind.

Friday Night

Mostly clear, with a low around 67.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

Mostly clear, with a low around 66.