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

80°F

27°C

Humidity	64%
Wind Speed	S 20 G 35 mph
Barometer	29.81 in (1008.9 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	25 May 1:52 pm CDT

More Information:

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

Extended Forecast for

Jonesboro IL

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: 79 °F
Tonight

T-storms
Likely
Low: 64 °F
Thursday

Showers
High: 72 °F
Thursday
Night

Chance
T-storms
Low: 57 °F
Friday

Chance
Showers
High: 70 °F
Friday
Night

Mostly Clear
Low: 55 °F
Saturday

Sunny
High: 78 °F
Saturday
Night

Mostly Clear
Low: 60 °F

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 79. South wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

Tonight

Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 64. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Thursday

Showers and possibly a thunderstorm. High near 72. 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 57. Southwest wind around 7 mph. Chance of precipitation is 50%.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 70. West northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

Saturday

Sunny, with a high near 78. 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 84. South wind 7 to 14 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 67. South wind around 10 mph.

Memorial Day

Sunny, with a high near 89. South wind 8 to 13 mph, with gusts as high as 20 mph.