Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

73°F

23°C

Humidity	99%
Wind Speed	Calm
Barometer	30.06 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	7 Jul 10:55 pm CDT

More Information:

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

Extended Forecast for

Vienna IL

Tonight
Low: 72 °F
Partly Cloudy
Wednesday
High: 86 °F
Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 70 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 74 °F
Chance
T-storms
Friday
High: 90 °F
T-storms
Likely
Friday Night
Low: 72 °F
T-storms
Likely then
Showers
Likely
Saturday
High: 88 °F
Showers
Likely
Saturday Night
Low: 70 °F
Chance
T-storms

Detailed Forecast

Tonight

Partly cloudy, with a steady temperature around 72. Calm wind.

Wednesday

Showers and thunderstorms likely, mainly between 1pm and 2pm. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 60%.

Wednesday Night

Mostly clear, with a low around 70. Calm wind.

Thursday

Sunny, with a high near 91. Calm wind becoming south southwest 5 to 7 mph in the morning.

Thursday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind becoming south southwest around 5 mph after midnight.

Friday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. West southwest wind 3 to 6 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the morning.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light northeast wind.

Monday

Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the morning.

Monday Night

Mostly clear, with a low around 70. Calm wind.

Tuesday

Sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.