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

74°F

23°C

Humidity	91%
Wind Speed	E 5 mph
Barometer	30.19 in (1021.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	17 Sep 1:54 am CDT

More Information:

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

Extended Forecast for

4 Miles WNW Old Monroe MO

Heat Advisory September 17, 02:10am until September 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 17, 02:10am until September 18, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Overnight
Low: 72 °F
Mostly Clear
Thursday
High: 96 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 71 °F
Mostly Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 95 °F
Mostly Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 89 °F
Slight Chance
Showers then
Slight Chance
T-storms

Detailed Forecast

Overnight

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

Thursday

A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming southwest 5 to 7 mph in the morning.

Thursday Night

Mostly clear, with a low around 71. Light and variable wind.

Friday

Sunny, with a high near 93. Heat index values as high as 102. 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 95.

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 89. Chance of precipitation is 20%.

Sunday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Monday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Monday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 61.

Tuesday

A 20 percent chance of showers. Mostly sunny, with a high near 77.

Tuesday Night

Partly cloudy, with a low around 58.

Wednesday

Mostly sunny, with a high near 79.