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Severe Thunderstorms with Damaging Winds Expected Near I-94

Severe Thunderstorms with Damaging Winds Expected Near I-94

Severe thunderstorms are currently active on the west side of Chicago, with a history of causing downed trees, power lines, and wind gusts reaching up to 60 mph (97 km/h). A Severe Thunderstorm Watch has been issued for counties near the Michigan-Indiana border, including Berrien, Cass, St. Joseph, and Branch counties, lasting until 5 p.m. local time. The Storm Prediction Center has identified a 15% risk of damaging winds (60-70 mph or 97-113 km/h) in West Michigan, while northern Indiana faces a higher 30% risk of 70-85 mph (113-137 km/h) gusts. Storms are moving east and southeast at approximately 30 mph (48 km/h).

Severe Thunderstorm Watch Issued for Counties Near I-94

Severe Thunderstorm Watch Issued for Counties Near I-94

Severe thunderstorms are currently affecting areas near and south of I-94, including parts of West Michigan and northern Indiana. The Storm Prediction Center has issued a Severe Thunderstorm Watch for Berrien, Cass, St. Joseph, and Branch counties in Michigan, lasting until 5 p.m. local time. These storms have a history of producing damaging winds, with gusts reaching 60-70 mph in West Michigan and up to 70-85 mph in northern Indiana. The storms have also caused downed trees and power lines in affected areas. A 15% risk of damaging winds is forecast for southwestern Michigan, while a higher 30% risk is noted for areas further south, including Illinois, Indiana, and Ohio. Storms are moving east-southeast at approximately 30 mph.

Tornado Warning Issued for Chicago Region Amid Severe Storms

Tornado Warning Issued for Chicago Region Amid Severe Storms

The National Weather Service (NWS) has issued a tornado warning for the Chicago region, including Will, DuPage, Cook, and Lake counties, as severe thunderstorms with strong winds and heavy rainfall approach the area. The warning is in effect until mid-morning on Tuesday, August 11, 2026. A severe thunderstorm watch is also active until 2 p.m. across northeast Illinois and northwest Indiana. Meteorologist Kevin Donofrio from the NWS Chicago station reported that the storm system, originating from the Mississippi River, is expected to bring wind speeds of 70-80 mph, comparable to those of a tornado. The Federal Aviation Administration (FAA) has issued ground stops for both O'Hare International Airport and Midway Airport, with restrictions in place until 11:15 a.m. and 11:30 a.m., respectively.

Severe Thunderstorm Watch Issued for Michiana Region

Severe Thunderstorm Watch Issued for Michiana Region

A Severe Thunderstorm Watch has been issued for the Michiana region, affecting parts of Indiana and Michigan. The watch, which is set to expire at 8 p.m. EDT, follows a Severe Thunderstorm Warning that impacted several counties earlier in the day. The Storm Prediction Center has placed the area under a Level 2 risk for severe weather, with the main concerns being damaging winds and the possibility of isolated tornadoes. The storms are expected to bring heavy rain and high humidity, with conditions persisting into the early part of the week.

Flash Flooding Likely Across Central Indiana and Surrounding Areas

Flash Flooding Likely Across Central Indiana and Surrounding Areas

The National Weather Prediction Center (WPC) has issued Mesoscale Precipitation Discussion 1007, highlighting the likelihood of flash flooding across central Indiana, southern Ohio, central West Virginia, and northeast Kentucky. Multiple thunderstorm complexes are tracking southeast through these regions, with convective training expected to produce 2-3 inches of rainfall, and locally higher amounts. Saturated grounds from previous rainfall increase the risk of flash flooding. Rainfall rates exceeding 2 inches per hour have been observed, with regional totals reaching 2-4 inches since midnight in southeast Ohio and areas west of Fort Wayne, Indiana. The thermodynamic environment remains favorable for continued heavy rainfall due to high mixed-layer CAPE values and strong theta-e advection.

The Columbus Dispatch

Central Ohio under flash flood warning, several rounds of storms coming

Central Ohio under flash flood warning, several rounds of storms coming

Several rounds of thunderstorms could bring flash flooding, damaging winds and possibly tornadoes to central Ohio and nearby areas Aug. 11-12.

Flash Flooding Likely Across Parts of Indiana, Ohio, West Virginia, and Kentucky

Flash Flooding Likely Across Parts of Indiana, Ohio, West Virginia, and Kentucky

The Weather Prediction Center (WPC) has issued Mesoscale Precipitation Discussion #1007, highlighting the potential for flash flooding across central Indiana, southern Ohio, central West Virginia, and northeast Kentucky. As of 9:02 AM EDT on August 11, 2026, multiple thunderstorm complexes are tracking southeast through the region. These storms are producing heavy rainfall, with rates exceeding 2 inches per hour in some areas. Rainfall totals since midnight have reached 2-4 inches in parts of southeast Ohio and near Fort Wayne, Indiana. The storms are fueled by a favorable thermodynamic environment, including high mixed-layer CAPE values (2000-3000 J/kg) and precipitable water levels of 1.75 to 2 inches.

Severe Thunderstorm Warning Issued for Multiple Counties in Ohio and Indiana

Severe Thunderstorm Warning Issued for Multiple Counties in Ohio and Indiana

The National Weather Service has issued a severe thunderstorm warning for several counties in southeastern Indiana, northern Kentucky, and southwestern Ohio. The warning is in effect until 4:15 PM EDT, with storms moving southeast at 45 mph. These storms are capable of producing 70 mph wind gusts, which could cause significant tree damage and impact mobile homes, roofs, and outbuildings. Residents in the affected areas, including major cities like Cincinnati and Hamilton, are advised to take precautions and remain alert for possible tornadoes.

Severe Thunderstorm Watch Issued for Michiana with Potential for Damaging Winds

Severe Thunderstorm Watch Issued for Michiana with Potential for Damaging Winds

A Severe Thunderstorm Watch has been issued for the Michiana region, including parts of Indiana and Michigan, with the potential for damaging winds and heavy rainfall. The Storm Prediction Center has placed the area under a Level 2 risk for severe weather, with storms expected to develop Sunday afternoon and continue into Monday. The high humidity and warm temperatures are contributing to the storm's intensity, with the main concerns being damaging winds and localized flooding. The storms are expected to bring heavy downpours, with some areas potentially receiving over an inch of rain. The weather conditions are expected to persist through mid-week, with a gradual decrease in rain chances.

Fort Wayne Faces Increased Storm Risks with Potential Severe Weather

Fort Wayne Faces Increased Storm Risks with Potential Severe Weather

Fort Wayne, Indiana, is experiencing a period of humid weather with temperatures reaching the mid to upper 80s. The area has been placed under a Slight (2/5) risk for severe weather, with storms expected to develop late Sunday evening and continue into Monday. These storms may bring damaging winds and possibly severe weather conditions. The forecast indicates that the storm activity could persist into the overnight hours, with a potential for damaging winds across the region. The exact timing and location of the storms remain uncertain, requiring residents to stay updated on weather developments. By mid-week, the storm chances are expected to diminish, leading to cooler temperatures and reduced humidity.

Severe Thunderstorm Watch Issued for Michiana Region

Severe Thunderstorm Watch Issued for Michiana Region

A Severe Thunderstorm Watch has been issued for the Michiana region, including parts of Indiana and Michigan, with the primary concern being damaging winds. The Storm Prediction Center has placed the area under a Level 2 risk for severe weather on both Sunday and Monday. High humidity and temperatures in the mid-80s °F (around 29 °C) are creating favorable conditions for strong storms. Storm activity is expected to increase Sunday evening, with additional waves of rain and thunderstorms continuing into Monday. Heavy downpours could lead to localized flooding, with some areas potentially receiving over 1 inch (25 mm) of rain. The severe weather threat is expected to diminish overnight as temperatures cool, but scattered storms will persist through mid-week.

Severe Thunderstorms and Flash Flood Warnings Impact Chicago Area

Severe Thunderstorms and Flash Flood Warnings Impact Chicago Area

Strong storms swept through the Chicago area on Sunday afternoon, with additional severe weather expected into the evening. The region is under a Level 2 out of 5 risk for severe weather, with damaging winds, flooding, and hail identified as primary threats (ABC7 Chicago, 2026). Sunday morning began calmly with temperatures in the 60s, but humidity increased throughout the day, pushing highs into the mid-80s. The first round of storms arrived around 1 p.m., causing heavy rain and strong winds in northwest Indiana and parts of Chicago. A Flash Flood Warning is in effect for Lake (IN) and Porter counties until 8 p.m. CDT, while a Flood Watch covers multiple counties until 7 a.m. CDT Monday. Severe Thunderstorm Watches are also active for LaPorte and Starke counties until 11 p.m. CDT.