⚠️ Severe Thunderstorm Watch – Adams, NE; Clay, NE; Fillmore, NE; Hall, NE; Hamilton, NE; Merrick, NE; Polk, NE; York, NE – Tuesday, August 18, 2026

Event	Severe Thunderstorm Watch
Severity	Severe
Urgency	Future
Certainty	Possible
Area	Adams, NE; Clay, NE; Fillmore, NE; Hall, NE; Hamilton, NE; Merrick, NE; Polk, NE; York, NE
Effective	8/18/2026, 12:23:00 AM CDT
Expires	8/18/2026, 2:00:00 AM CDT

Severe Thunderstorm Watch issued August 18 at 12:23AM CDT until August 18 at 2:00AM CDT by NWS Hastings NE

Details

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 594 TO INCLUDE THE FOLLOWING AREAS UNTIL 2 AM CDT EARLY
THIS MORNING

IN NEBRASKA THIS WATCH INCLUDES 8 COUNTIES

IN CENTRAL NEBRASKA

MERRICK

IN EAST CENTRAL NEBRASKA

POLK YORK

IN SOUTH CENTRAL NEBRASKA

ADAMS CLAY FILLMORE
HALL HAMILTON

THIS INCLUDES THE CITIES OF AURORA, CENTRAL CITY, CLAY CENTER,
EDGAR, EXETER, FAIRFIELD, FAIRMONT, GENEVA, GRAND ISLAND,
HARVARD, HASTINGS, OSCEOLA, POLK, SHELBY, STROMSBURG, SUTTON,
AND YORK.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.