Flood and Severe Weather Threats

A slow moving storm system will affect areas from the Great Lakes, Ohio Valley, middle and lower Mississippi Valley and Southeast through tonight. Strong to severe thunderstorms accompanied by heavy rainfall with flash flood threat are all possible. Meanwhile, record heat continues for interior central California. Read More >

Hazardous Weather Conditions

En Español

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy and Windy

80°F

27°C

Humidity	64%
Wind Speed	S 26 G 35 mph
Barometer	29.77 in (1007.9 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	25 May 2:52 pm CDT

More Information:

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

Extended Forecast for

Anna ILSimilar City Names

Lake Wind Advisory until May 25, 05:00pm

Click here for hazard details and duration

Lake Wind Advisory

Lake Wind Advisory until May 25, 05:00pm

NOW until
5:00pm Wed

Lake Wind Advisory
This
Afternoon

T-storms
High: 73 °F
Tonight

T-storms then
Scattered
T-storms
Low: 63 °F
Thursday

Showers
High: 71 °F
Thursday
Night

Chance
T-storms
Low: 56 °F
Friday

Chance
Showers
High: 69 °F
Friday
Night

Partly Cloudy
Low: 54 °F
Saturday

Sunny
High: 77 °F
Saturday
Night

Mostly Clear
Low: 60 °F

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Steady temperature around 73. South wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

Tonight

Showers and thunderstorms, mainly before 10pm. Low around 63. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Thursday

Showers and possibly a thunderstorm. High near 71. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. West southwest wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

Friday Night

Partly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming calm after midnight.

Saturday

Sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 60. South southeast wind around 6 mph.

Sunday

Sunny, with a high near 83. South wind 7 to 14 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 67. South wind 8 to 10 mph.

Memorial Day

Sunny, with a high near 88. South wind 8 to 11 mph, with gusts as high as 20 mph.