Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

71°F

22°C

Humidity	90%
Wind Speed	E 3 mph
Barometer	29.97 in (1014.4 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	3 Aug 9:54 pm CDT

More Information:

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

Extended Forecast for

5 Miles NNW Hazelwood MO

Tonight
Low: 67 °F
Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 92 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 85 °F
Showers
Likely
Thursday Night
Low: 70 °F
Slight Chance
T-storms
Friday
High: 86 °F
Slight Chance
T-storms
Friday Night
Low: 70 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Clear, with a low around 67. East wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 90. Calm wind becoming south around 5 mph.

Tuesday Night

Mostly clear, with a low around 70. Southeast wind 3 to 6 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 92. South wind 3 to 7 mph.

Wednesday Night

A chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 8 mph. Chance of precipitation is 70%.

Thursday

Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

Thursday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Friday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

Saturday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.