619
WWUS20 KWNS 060248
SEL6
SPC WW 060248
IAZ000-060800-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 276
NWS Storm Prediction Center Norman OK
950 PM CDT Fri Jun 5 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Southern and Southeastern Iowa

* Effective this Friday night and Saturday morning from 950 PM
  until 300 AM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Supercells should continue to pose a threat for large to
very large hail this evening (up to 2 inches in diameter possible).
A tornado or two may also occur with this activity. A loosely
organized thunderstorm cluster may eventually move across southern
IA overnight and pose some risk for severe/damaging winds.

The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 60 miles west northwest
of Lamoni IA to 55 miles east northeast of Ottumwa IA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU6).

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 274...WW 275...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
27025.

...Gleason