440
NWUS55 KRIW 240423
LSRRIW
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE RIVERTON WY
1023 PM MDT SUN AUG 23 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0634 PM TSTM WND GST 5 NW RIVERTON 43.07N 108.47W
08/23/2026 M58 MPH FREMONT WY ASOS
ASOS STATION KRIW RIVERTON AIRPORT (ASOS).
WINDS WERE GENERATED IN THE WAKE OF AN
OUTFLOW BOUNDARY.
0650 PM TSTM WND GST 19 ESE RIVERTON 42.91N 108.03W
08/23/2026 M55 MPH FREMONT WY MESONET
MESONET STATION PC633 POSTON RANCH RD (PC).
WIND GUST DUE TO AN OUTFLOW BOUNDARY.
0935 PM TSTM WND GST 2 NW GREYBULL 44.52N 108.08W
08/23/2026 M55 MPH BIG HORN WY ASOS
ASOS STATION KGEY GREYBULL AIRPORT (ASOS).
WIND GUST LIKELY CAUSED BY AN OUTFLOW
BOUNDARY.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page