Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

62°F

17°C

Humidity	58%
Wind Speed	S 7 mph
Barometer	29.98 in (1014.8 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Last update	13 May 12:52 am CDT

More Information:

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

Extended Forecast for

Vergennes IL

Overnight
Low: 63 °F
Mostly Cloudy
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
Friday
High: 83 °F
Chance
T-storms then
Chance
Showers
Friday Night
Low: 66 °F
Partly Cloudy
then Chance
Showers
Saturday
High: 88 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 67 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 63. West wind around 7 mph.

Wednesday

Sunny, with a high near 75. North northwest wind 7 to 16 mph, with gusts as high as 22 mph.

Wednesday Night

Clear, with a low around 46. North northwest wind 5 to 9 mph becoming calm in the evening.

Thursday

Sunny, with a high near 75. Calm wind.

Thursday Night

Partly cloudy, with a low around 55. South southeast wind 5 to 7 mph.

Friday

A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. South wind 9 to 16 mph, with gusts as high as 23 mph.

Friday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind 7 to 9 mph, with gusts as high as 18 mph.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South southwest wind 8 to 10 mph.

Saturday Night

A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. South wind 6 to 9 mph.

Sunday

Mostly sunny, with a high near 90. South wind 9 to 17 mph, with gusts as high as 24 mph.

Sunday Night

Partly cloudy, with a low around 70. South wind 11 to 14 mph, with gusts as high as 22 mph.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Breezy, with a south wind 11 to 21 mph, with gusts as high as 26 mph.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 11 to 14 mph, with gusts as high as 22 mph.

Tuesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. South southwest wind 14 to 17 mph, with gusts as high as 25 mph.