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

85°F

29°C

Humidity	59%
Wind Speed	W 9 mph
Barometer	30.22 in (1022.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	17 Sep 9:54 am CDT

More Information:

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

Extended Forecast for

4 Miles ENE Cave MO

Heat Advisory September 17, 10:12am until September 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 17, 10:12am 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
Slight Chance
T-storms then
Mostly Clear
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: 70 °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
Chance
Showers

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 95. Heat index values as high as 105. West wind 5 to 7 mph. Chance of precipitation is 20%.

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Light and variable wind.

Friday

Patchy fog before 8am. Otherwise, sunny, with a high near 92. Heat index values as high as 101. East wind around 5 mph becoming calm in the afternoon.

Friday Night

Mostly clear, with a low around 72. Light south wind.

Saturday

Mostly sunny, with a high near 94. Southwest wind 3 to 7 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

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. 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%.