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

96°F

36°C

Humidity	43%
Wind Speed	SW 7 mph
Barometer	30.18 in (1021.4 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	17 Sep 12:54 pm CDT

More Information:

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

Extended Forecast for

6 Miles SW Elsberry MO

Heat Advisory September 17, 01:47pm until September 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 17, 01:47pm until September 18, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 97 °F
Hot
Tonight
Low: 72 °F
Slight Chance
T-storms then
Patchy Fog
Friday
High: 92 °F
Patchy Fog
then Sunny
Friday Night
Low: 73 °F
Mostly Clear
Saturday
High: 93 °F
Partly Sunny
Saturday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 87 °F
Chance
Showers
Sunday Night
Low: 67 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 97. Heat index values as high as 103. Light west wind.

Tonight

A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog after 5am. Otherwise, mostly clear, with a low around 72. Light and variable wind.

Friday

Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 101. Light and variable wind.

Friday Night

Mostly clear, with a low around 73. Calm wind becoming south around 6 mph after midnight.

Saturday

Partly sunny, with a high near 93. Southwest wind 5 to 7 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

Monday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.

Tuesday

Partly sunny, with a high near 71.

Tuesday Night

Mostly cloudy, with a low around 57.

Wednesday

Mostly sunny, with a high near 74.