Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

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

Lat: 38.93° N Lon: 90.43° W Elev: 436 ft.

Mostly Cloudy

73°F

23°C

Humidity	79%
Wind Speed	E 5 mph
Barometer	30.02 in (1016.0 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	9 Sep 4:54 am CDT

More Information:

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

Detailed forecast for

Lincoln County

Today

Mostly sunny. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph, becoming west this afternoon. Chance of rain 50 percent. Heat index values up to 102.

Tonight

Thunderstorms likely. Showers likely in the evening, then showers after midnight. Locally heavy rainfall possible after midnight. Humid with lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain near 100 percent.

Thursday

Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Cooler with highs in the upper 70s. North winds around 5 mph. Chance of rain near 100 percent.

Thursday Night

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.

Friday

Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph.

Friday Night

Mostly clear. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.

Saturday

Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Saturday Night

Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

Sunday

Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Sunday Night And Monday

Partly cloudy. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 100.

Monday Night

Mostly clear with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Tuesday

Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.