771
NOUS45 KRIW 210258
PNSRIW
WYZ001>020-022>030-211447-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
847 PM MDT SAT JUN 20 2026
..EVENT SUMMARY
SEVERAL ROUNDS OF SEVERE THUNDERSTORMS MARCHED THEIR WAY ACROSS
WESTERN AND CENTRAL WYOMING THANKS TO TWO AREAS OF LOW PRESSURE THAT
MOVED THROUGH THE REGION TODAY. THE WEATHER CONDITIONS WERE VERY
FAVORABLE FOR STRONG WIND GUSTS, WHICH IS EXACTLY WHAT HAPPENED. IN
ADDITION TO THIS, THERE WAS A LANDSPOUT TORNADO REPORTED BETWEEN BIG
PINEY/MARBLETON AND PINEDALE EARLY SATURDAY AFTERNOON. EVEN MORE
IMPRESSIVE WAS A WIND GUST OF 81 MPH AT CASPER AIRPORT. IN RIVERTON
A BRIEF HABOOB (DUST STORM CREATED BY THUNDERSTORM WIND) WAS
REPORTED WITH THE STRONG WIND.
..HIGHEST WIND REPORTS
LOCATION SPEED TIME/DATE ELEVATION (FT.)
..WYOMING
..FREMONT COUNTY
WY28 RED CANYON (DOT) 81 MPH 0356 PM 06/20 6581
RIVERTON AIRPORT (ASOS) 67 MPH 0214 PM 06/20 5443
POSTON RANCH RD (PC) 67 MPH 0250 PM 06/20 5749
LANDER AIRPORT (ASOS) 66 MPH 0321 PM 06/20 5587
PAVILLION (CWOP) 58 MPH 0200 PM 06/20 5485
RIVERTON 3 (CWOP) 56 MPH 0210 PM 06/20 5390
WYOPO (PC) 55 MPH 0200 PM 06/20 5471
JEFFREY CITY (CWOP) 55 MPH 0200 PM 06/20 6442
COPPER MTN RD (PC) 55 MPH 0240 PM 06/20 6355
DICKINSON (PC) 55 MPH 0340 PM 06/20 7490
..HOT SPRINGS COUNTY
STAGNER (PC) 71 MPH 0220 PM 06/20 7053
BOYSEN PEAK (AWOS) 70 MPH 0235 PM 06/20 7099
HOT SPRINGS AIRPORT (AWOS) 60 MPH 0235 PM 06/20 4903
..JOHNSON COUNTY
1 SE SUSSEX 67 MPH 0425 PM 06/20
15 NNE MAYOWORTH 59 MPH 0500 PM 06/20
13 WNW MIDWEST 58 MPH 0400 PM 06/20
TISDALE MTN (PC) 57 MPH 0430 PM 06/20 5557
I-25 TISDALE DIVIDE (DOT) 57 MPH 0452 PM 06/20 4990
..LINCOLN COUNTY
MOUNT COFFIN (BTAC) 83 MPH 0615 PM 06/20 10855
NUGGET CANYON (PC) 71 MPH 0610 PM 06/20 7621
SAGE JUNCTION 3 E (UPR) 63 MPH 0609 PM 06/20 6377
US30 NUGGET CANYON (DOT) 60 MPH 0616 PM 06/20 6626
US30 SAGE JUNCTION (DOT) 56 MPH 0616 PM 06/20 6414
..NATRONA COUNTY
CASPER AIRPORT (ASOS) 81 MPH 0341 PM 06/20 5348
I-25 TWENTY MILE HILL (DOT) 79 MPH 0406 PM 06/20 5656
SCENIC DR (PC) 72 MPH 0350 PM 06/20 5827
US20 NATRONA (DOT) 64 MPH 0322 PM 06/20 5594
HORSE RANCH CREEK (PC) 59 MPH 0350 PM 06/20 5341
I-25 HAT SIX (DOT) 58 MPH 0416 PM 06/20 5157
CLAUDE CREEK (PC) 57 MPH 0350 PM 06/20 6282
CASPER (CWOP) 56 MPH 0345 PM 06/20 5341
..PARK COUNTY
CRANDALL 55 MPH 0712 PM 06/20 6640
..SUBLETTE COUNTY
BIG PINEY AIRPORT (ASOS) 70 MPH 0653 PM 06/20 6946
HALF MOON LAKE (PC) 68 MPH 1220 PM 06/20 7857
COTTONWOOD MERNA (PC) 63 MPH 0640 PM 06/20 7830
PINEDALE AIRPORT (AWOS) 59 MPH 0655 PM 06/20 7105
RIVERSIDE (PC) 56 MPH 0720 PM 06/20 7397
HOGSBACK (PC) 55 MPH 0640 PM 06/20 9008
..SWEETWATER COUNTY
I-80 BAXTER RD (DOT) 70 MPH 0742 PM 06/20 6345
ROCK SPRINGS AIRPORT (ASOS) 66 MPH 0754 PM 06/20 6759
WY372 SHUTE CREEK (DOT) 64 MPH 0706 PM 06/20 6496
ROCK SPRINGS 6 WSW (UPR) 60 MPH 0723 PM 06/20 6213
US191 FARSON (DOT) 60 MPH 0726 PM 06/20 6598
ROCK SPRINGS (PC) 56 MPH 0730 PM 06/20 6241
I-80 BITTER CREEK (DOT) 56 MPH 0816 PM 06/20 7133
..TETON COUNTY
SURPRISE PINNACLE (BTAC) 83 MPH 0200 PM 06/20 9770
..WASHAKIE COUNTY
PISTOL DRAW 72 MPH 0317 PM 06/20 4520
HIDDEN DOME (PC) 65 MPH 0340 PM 06/20 4816
WORLAND AIRPORT (ASOS) 56 MPH 0316 PM 06/20 4226
OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING
EQUIPMENT AND EXPOSURES. WE THANK ALL VOLUNTEER WEATHER OBSERVERS
FOR THEIR DEDICATION. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.
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