Local weather forecast

Weather in South Wilmington, IL

Updated 2026-08-11 11:15 local time · ZIP codes 60474

Cloudy
Now81°F

Cloudy

High / Low90° / 75°
Rain chance80%
Wind9 mph
Weather alerts

Active alerts

5
Tornado Warning issued August 11 at 10:37AM CDT until August 11 at 11:30AM CDT by NWS Chicago IL

At 1036 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located near Elwood, or near Wilmington, moving east at 60 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Wilmington and Elwood around 1040 AM CDT. Manhattan around 1045 AM CDT. Other locations in the path of this tornadic thunderstorm include Peotone, Monee and Beecher.

Safety instructions

Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! This cluster of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.

Tornado Warning issued August 11 at 10:43AM CDT until August 11 at 11:30AM CDT by NWS Chicago IL

At 1043 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located near Manhattan, or 8 miles northeast of Wilmington, moving east at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Peotone and Monee around 1050 AM CDT. University Park around 1055 AM CDT. Other locations in the path of this tornadic thunderstorm include Crete and Beecher.

Safety instructions

Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! This cluster of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.

Flood Advisory issued August 11 at 10:36AM CDT until August 11 at 1:30PM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Northeastern Kankakee County in northeastern Illinois... Will County in northeastern Illinois... * WHEN...Until 130 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 1035 AM CDT, Doppler radar and automated rain gauges indicated a line of intense thunderstorms with rainfall rates of 2 to 3 inches per hour moving through the area. Localized flooding of roadways and poor drainage areas will occur shortly after the onset of rainfall. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Elgin, Cicero, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect, Wheaton and Hoffman Estates. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.

Tornado Warning issued August 11 at 10:27AM CDT until August 11 at 11:30AM CDT by NWS Chicago IL

TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for... Southeastern Kendall County in northeastern Illinois... Will County in northeastern Illinois... Northeastern Grundy County in northeastern Illinois... Northeastern Kankakee County in northeastern Illinois... * Until 1130 AM CDT. * At 1027 AM CDT, severe thunderstorms capable of producing both tornadoes and extensive straight line wind damage were located near Minooka, moving east at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * These dangerous storms will be near... Joliet, Channahon, Minooka, Shorewood, and Elwood around 1035 AM CDT. Manhattan around 1040 AM CDT. New Lenox around 1045 AM CDT. Other locations in the path of this tornadic thunderstorm include Mokena, Frankfort, University Park, Monee, Park Forest, Steger and Crete.

Safety instructions

Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! This cluster of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.

Tornado Warning issued August 11 at 10:47AM CDT until August 11 at 11:30AM CDT by NWS Chicago IL

At 1047 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located near Monee, or near Peotone, moving east at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Peotone, University Park, Monee, and Beecher around 1050 AM CDT.

Safety instructions

Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! This cluster of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.

Hourly

Next hours

NowCloudy81°11% rain
12 PMCloudy84°21% rain
1 PMPatchy rain nearby77°85% rain
2 PMPatchy rain nearby79°32% rain
3 PMPatchy rain nearby82°22% rain
4 PMPatchy rain nearby82°39% rain
5 PMPatchy rain nearby82°33% rain
6 PMSunny81°10% rain
7 PMPatchy rain nearby79°30% rain
8 PMClear77°13% rain
9 PMClear76°19% rain
10 PMClear75°15% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
90° 75°Sunny
Rain 80%Gust 17 mph
Tomorrow2026-08-12
Sunny
80° 68°Sunny
Rain 86%Gust 14 mph
Thursday2026-08-13
Mist
82° 66°Mist
Rain 81%Gust 7 mph
Conditions

Weather details

Feels like87°F
Humidity89%
Pressure29.92 inHg
Visibility10 mi
Wind9 mph NNE
Wind gusts14 mph
Precipitation0.00 in
UV index1
Daylight

Sunrise, sunset and moon

Sunrise05:58 AM
Sunset07:57 PM
Moonrise03:58 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 85% over the next 12 hours.

Choose light, breathable clothing

It feels like 87°F with winds near 9 mph.

Best window: 6 PM

81°F, 10% rain chance and 7 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 17 mph.

Running conditions are less comfortable

Current temperature is 81°F, wind 9 mph, rain chance up to 85%.

Low UV protection needs

UV index is 1.

South Wilmington weather today

Cloudy and 81°F in South Wilmington, IL. Today's high is 90°F with a 80% rain chance. Winds are around 9 mph with gusts near 14 mph. Relative humidity is 89%, pressure is 29.92 inHg, and visibility is about 10 miles.

Tonight and tomorrow in South Wilmington

Sunrise is at 05:58 AM and sunset is at 07:57 PM. Tomorrow's forecast calls for Sunny with a high near 80°F and a low near 68°F. The maximum rain chance is 86%.

Nearby

Weather near South Wilmington

Illinois

Popular cities in Illinois

View state page →