SPC Tornado Watch 318
WW 318 TORNADO IL IN MI OH LM 120005Z - 120600Z



URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 318
NWS Storm Prediction Center Norman OK
805 PM EDT Thu Jun 11 2026

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Central Illinois
West-Central into Northern Indiana
Western and Central Lower Michigan
Far Northwest Ohio
Lake Michigan

* Effective this Thursday night and Friday morning from 805 PM
until 200 AM EDT.

* Primary threats include...
A few tornadoes and a couple intense tornadoes possible
Widespread damaging winds and isolated significant gusts to 75
mph likely
Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...A mix of supercells and severe bows will move into the
Watch area this evening. A risk for a few tornadoes, including the
possibility for a strong tornado is forecast with the more intense
supercells and embedded mesovortices within the stronger bows.
Widespread damaging winds (60 to 75 mph) will likely focus with the
bowing segments as they rapidly move east-northeastward this evening
into the early overnight.

The tornado watch area is approximately along and 80 statute miles
east and west of a line from 35 miles west northwest of Saginaw MI
to 20 miles west of Terre Haute IN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU8).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 313...WW 314...WW
315...WW 316...WW 317...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 25035.

...Smith


Read more
https://www.spc.noaa.gov/products/watch/ww0318.html