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

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

84°F

29°C

Humidity	55%
Wind Speed	SW 12 mph
Barometer	29.85 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	21 May 10:15 am CDT

More Information:

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

Extended Forecast for

Vandalia IL

Today
High: 89 °F
Sunny then
Sunny and
Breezy
Tonight
Low: 65 °F
T-storms
Wednesday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 62 °F
T-storms
Likely
Thursday
High: 79 °F
Chance
T-storms
Thursday Night
Low: 64 °F
Slight Chance
T-storms then
Chance
T-storms
Friday
High: 82 °F
Showers
Likely
Friday Night
Low: 65 °F
Chance
T-storms
Saturday
High: 83 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 89. Breezy, with a south wind 13 to 22 mph, with gusts as high as 31 mph.

Tonight

Showers and thunderstorms, mainly before 3am. Low around 65. South wind 9 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 78. West wind around 8 mph.

Wednesday Night

Showers and thunderstorms likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Light and variable wind becoming east around 5 mph in the morning.

Thursday Night

A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 64. Chance of precipitation is 50%.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

Friday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

Memorial Day

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.