Weather Alerts-

Severe Thunderstorm Warning

From Thu 10:52 pm until Fri 12:00 am CDT

1 of 5

Action Recommended

Take shelter in place or per instructions

Issued By

Chicago - IL, US, National Weather Service

Affected Area

Cook County

Description

The National Weather Service in Chicago has issued a Severe Thunderstorm Warning for... Southern Will County in northeastern Illinois... East central Grundy County in northeastern Illinois... Northeastern Kankakee County in northeastern Illinois... Southeastern Cook County in northeastern Illinois... Until midnight CDT. At 1052 PM CDT, severe thunderstorms were located along a line extending from Mokena to near Manhattan to 6 miles southeast of Elwood to Gardner, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Severe thunderstorms will be near... Tinley Park, Chicago Heights, Oak Forest, Harvey, Park Forest, Homewood, Matteson, Frankfort, Braidwood, and Wilmington around 1100 PM CDT. Peotone, South Holland, Glenwood, Posen, Dixmoor, Thornton, and Phoenix around 1105 PM CDT. Calumet City, Lansing, Dolton, Steger, Riverdale, Sauk Village, Lynwood, Crete, and Ford Heights around 1110 PM CDT. Manteno and Beecher around 1120 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH

Severe Thunderstorm Warning

Until Thu 11:15 pm CDT

2 of 5

Action Recommended

Take shelter in place or per instructions

Issued By

Chicago - IL, US, National Weather Service

Affected Area

Cook County

Description

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR EAST CENTRAL COOK COUNTY... At 1056 PM CDT, severe thunderstorms were located along a line extending from 12 miles east of Uptown to Posen, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Chicago, Roseland, South Shore, Blue Island, Chatham, Hyde Park, and South Deering around 1100 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH

Special Marine Warning

From Thu 10:24 pm until Fri 12:00 am CDT

3 of 5

Action Recommended

Avoid the subject event as per the instructions

Issued By

Chicago - IL, US, National Weather Service

Affected Area

Northerly Island to Calumet Harbor IL

Description

The National Weather Service in Chicago has issued a Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... Until midnight CDT. At 1024 PM CDT, severe thunderstorms were located along a line extending from 12 nm south of Waukegan Harbor to Wilmette Harbor to 7 nm southwest of Midway Airport, moving east at 30 knots. HAZARD...Wind gusts in excess of 50 knots. SOURCE...Radar. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Severe thunderstorms will be near... Montrose Harbor, Monroe Harbor, 31st Street Harbor, Harrison-Dever Crib, Burnham Harbor, Belmont Harbor, Diversy Harbor, and DuSable Harbor around 1030 PM CDT. Jackson Park Harbor and 59th Street Marina around 1035 PM CDT. Calumet Harbor around 1040 PM CDT. Hammond Marina around 1045 PM CDT. Indiana Harbor around 1055 PM CDT. HAIL...0.00IN WIND...50KTS

River Flood Watch

From Fri 8:12 am until Sun 7:00 am CDT

4 of 5

Action Recommended

Avoid the subject event as per the instructions

Issued By

Chicago - IL, US, National Weather Service

Affected Area

Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge

Description

...FLOOD WATCH IN EFFECT FROM FRIDAY MORNING TO SUNDAY MORNING... WHAT...Flooding is possible. WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. WHEN...From Friday morning to Sunday morning. IMPACTS...At 15.0 feet, Structures threatened at Methodist Campground in Des Plaines. Forest preserve roadways are threatened. ADDITIONAL DETAILS... - At 9:45 AM CDT Thursday the stage was 10.6 feet. - Forecast...Flood stage may be reached tomorrow morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood

More Information

...The National Weather Service in Chicago IL has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Des Plaines affecting Central Cook and Northern Cook zones. Fox River at Dayton affecting La Salle zone. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Small Craft Advisory

Until Fri 4:00 am CDT

5 of 5

Action Recommended

Avoid the subject event as per the instructions

Issued By

Chicago - IL, US, National Weather Service

Affected Area

Winthrop Harbor to Calumet Harbor IL

Description

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT FRIDAY... WHAT...Southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft. WHERE...Winthrop Harbor to Calumet Harbor IL. WHEN...Until 4 AM CDT Friday. IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

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