Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Heat Advisory until September 4, 08:00 PM CDT

Current conditions at

St. Louis Regional Airport (KALN)

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

Fair

72°F

22°C

Humidity	88%
Wind Speed	Calm
Barometer	30.05 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	1 Sep 6:50 am CDT

More Information:

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

Detailed forecast for

Macoupin County

Today

Sunny, hot with highs around 100. Southwest winds around 5 mph.

Tonight

Mostly clear. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.

Wednesday

Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph.

Wednesday Night

Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.

Thursday

Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph.

Thursday Night Through Friday Night

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

Saturday And Saturday Night

Mostly clear. A slight chance of showers and thunderstorms. Hot. Highs in the upper 90s. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105.

Sunday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent.

Sunday Night And Labor Day

Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.