950
WWUS85 KRIW 180028
SPSRIW
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
628 PM MDT FRI JUL 17 2026
WYZ010-011-180100-
SOUTHEAST JOHNSON COUNTY-NORTHEAST JOHNSON COUNTY-
628 PM MDT FRI JUL 17 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN JOHNSON COUNTY
THROUGH 700 PM MDT...
AT 628 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
POWDER RIVER REST AREA, WHICH IS 30 MILES WEST OF GILLETTE, MOVING
NORTHWEST AT 20 MPH.
HAZARD...WIND GUSTS OF 50 TO 55 MPH AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...GUSTY WINDS COULD BLOW AROUND UNSECURED OBJECTS. MINOR HAIL
DAMAGE TO VEGETATION IS POSSIBLE.
THIS STRONG THUNDERSTORM WILL BE NEAR...
POWDER RIVER REST AREA AROUND 635 PM MDT.
THIS INCLUDES INTERSTATE 90 BETWEEN MILE MARKERS 71 AND 95.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
TO REPORT SEVERE WEATHER, CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN RIVERTON.
LAT...LON 4411 10608 4425 10649 4448 10629 4431 10602
4418 10602
TIME...MOT...LOC 0028Z 122DEG 19KT 4423 10610
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
TL
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