URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 451
NWS Storm Prediction Center Norman OK
640 PM CDT Fri Jul 3 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern Iowa
Northern Illinois
Northwest Indiana
Lake Michigan
* Effective this Friday night and Saturday morning from 640 PM
until 200 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A cluster of thunderstorms should pose a threat for mainly
scattered severe/damaging winds as it tracks east-southeastward this
evening into early Saturday morning. Peak gusts may reach up to
60-70 mph. Isolated hail and perhaps a brief tornado or two may also
occur with any cells that can move along/near a boundary.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 40 miles west northwest
of Moline IL to Valparaiso IN. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU1).
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 446...WW 447...WW
448...WW 449...WW 450...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
29030.
...Gleason
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