Showers and Storms in the East; Dangerously Hot and Dry in the West

A front will bring scattered showers and storms to portions of the Central and Eastern US. Severe storms are expected in parts of the Great Plains and Ozarks today. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Hazardous Weather Conditions

Flood Watch until August 6, 01:00 PM CDT

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89° N Lon: 90.03° W Elev: 518 ft.

Fair

70°F

21°C

Humidity	94%
Wind Speed	W 7 mph
Barometer	30.10 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	6 Aug 8:50 am CDT

More Information:

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

Detailed forecast for

Madison County

Today

Patchy fog this morning. Showers and thunderstorms, mainly this morning. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible this morning. Highs in the lower 80s. South winds 5 to 10 mph. Gusts up to 45 mph this morning. Chance of rain near 100 percent.

Tonight

Mostly cloudy with scattered showers and thunderstorms. Lows around 70. Southeast winds around 5 mph. Chance of rain 50 percent.

Friday

Partly sunny with isolated showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 40 percent.

Friday Night

Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent.

Saturday

Sunny with highs around 90. West winds around 5 mph. Heat index values up to 102 in the afternoon.

Saturday Night

Mostly clear. Lows in the lower 70s. Heat index values up to 100 early in the evening.

Sunday

Mostly sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon.

Sunday Night Through Monday Night

Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.

Tuesday

Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.

Tuesday Night

Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 100 early in the evening.

Wednesday

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