National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

75°F

24°C

Humidity	96%
Wind Speed	S 10 mph
Barometer	29.86 in (1010.7 mb)
Dewpoint	74°F (23°C)
Visibility	8.00 mi
Last update	18 Jun 5:52 am CDT

More Information:

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

Extended Forecast for

Oraville IL

Lake Wind Advisory June 18, 11:00am until June 18, 07:00pm

Click here for hazard details and duration

Lake Wind Advisory

Today
High: 87 °F
Chance
T-storms then
Severe
Thunderstorms
Tonight
Low: 69 °F
Severe
Thunderstorms
then Chance
T-storms
Juneteenth
High: 85 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 73 °F
Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 75 °F
Clear
Sunday
High: 94 °F
Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, mainly between 3pm and 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. Southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Tonight

Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 69. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Juneteenth

Mostly sunny, with a high near 85. Northwest wind around 7 mph.

Thursday Night

Mostly clear, with a low around 66. Calm wind.

Friday

Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.

Friday Night

Clear, with a low around 73. South wind around 7 mph.

Saturday

Sunny, with a high near 92. South wind 8 to 11 mph, with gusts as high as 18 mph.

Saturday Night

Clear, with a low around 75. South wind 7 to 9 mph.