Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

72°F

22°C

Humidity	92%
Wind Speed	Calm
Barometer	29.75 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	21 May 11:15 pm CDT

More Information:

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

Extended Forecast for

3 Miles NE Edwardsville IL

Tonight
Low: 61 °F
T-storms
Likely
Wednesday
High: 78 °F
Sunny then
Chance
Showers
Wednesday Night
Low: 61 °F
Chance
T-storms
Thursday
High: 80 °F
Chance
T-storms
Thursday Night
Low: 66 °F
Chance
T-storms
Friday
High: 83 °F
Showers
Friday Night
Low: 60 °F
Chance
T-storms
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 61 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 61. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

Wednesday

A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 78. West wind 7 to 10 mph. Chance of precipitation is 40%.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. West wind around 6 mph becoming calm in the evening.

Thursday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning.

Thursday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind around 6 mph.

Friday

Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

Friday Night

A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 60.

Saturday

Sunny, with a high near 79.

Saturday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

Memorial Day

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.