Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Heat Advisory until September 18, 08:00 PM CDT

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

80°F

27°C

Humidity	71%
Wind Speed	Calm
Barometer	30.22 in (1022.9 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	17 Sep 8:54 am CDT

More Information:

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

Extended Forecast for

6 Miles W Foley MO

Heat Advisory September 17, 09:01am until September 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 17, 09:01am until September 18, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Today
High: 95 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 71 °F
Mostly Clear
then Patchy
Fog
Friday
High: 92 °F
Patchy Fog
then Mostly
Sunny
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 94 °F
Mostly Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 88 °F
Slight Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 95. Heat index values as high as 106. West wind around 7 mph, with gusts as high as 20 mph.

Tonight

Patchy fog after 5am. Otherwise, mostly clear, with a low around 71. Calm wind becoming north around 5 mph.

Friday

Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 92. Heat index values as high as 102. Northeast wind around 5 mph becoming calm in the afternoon.

Friday Night

Mostly clear, with a low around 72. Calm wind becoming south around 5 mph after midnight.

Saturday

Mostly sunny, with a high near 94. Southwest wind 5 to 8 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

Sunday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Sunday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.

Monday

Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.