SPC Severe Thunderstorm Watch 309
WW 309 SEVERE TSTM IL IN 110125Z - 110600Z



URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 309
NWS Storm Prediction Center Norman OK
825 PM CDT Wed Jun 10 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Eastern Illinois
West-Central into North-Central Indiana

* Effective this Wednesday night and Thursday morning from 825 PM
until 100 AM CDT.

* Primary threats include...
Scattered damaging wind gusts to 65 mph possible
Isolated large hail events to 1 inch in diameter possible

SUMMARY...A squall line will progress eastward into the Watch with a
risk for damaging straight-line gusts being the primary hazard into
the early overnight.

The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 80 miles north northeast
of Danville IL to 10 miles southeast of Champaign IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 303...WW 305...WW
306...WW 307...WW 308...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few
cumulonimbi with maximum tops to 400. Mean storm motion vector
27035.

...Smith


Read more
https://www.spc.noaa.gov/products/watch/ww0309.html