Western and Central Wyoming

Weather Forecast Office

Winter Storm continues this Morning

SYNOPSIS:

Significant snow and/or blowing snow will continue this morning for areas east of the Continental Divide as well as Sweetwater County. Improving conditions are expected by late this morning into the afternoon, as the snow becomes lighter and winds weaken.

IMPACTS:

Severely reduced visibility to near zero early Monday morning from snow and blowing snow.
As of 3 AM roads were closed in many locations. Please visit wyoroad.info for the latest road conditions.
Bitter cold with frostbite and hypothermia possible.

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NWS Text Products and Forecasts

Area Forecast Discussion	Winter Weather Statement	Special Weather Statement	What's a "Watch?"
Observed Snow Totals or High Wind	High Wind Statement	Weather Story	What's a "Watch?"

**Quick View of Hazards and Forecast Snow Totals (created at 3 AM on 12/31)**

Click Image To Enlarge Winter Storm Warnings, Winter Weather Advisories are in effect through this morning.	Click Image To Enlarge Forecast Snowfall 5 AM to 5 PM Monday

**High and Low Temperature Forecasts**

Today's High Temperature Click Image To Enlarge	Tonight's Low Temperature Click Image To Enlarge

Tomorrow's High Temperature Click Image To Enlarge	Tomorrow Night's Low Temperature Click Image To Enlarge

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Snow Totals and Wind Reports will be posted and updated here once the storm occurs (Please double check date and time of product)
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. $$

Snow Totals and Wind Reports will be posted and updated here once the storm occurs
(Please double check date and time of product)

                        
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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Pocatello	Billings

Salt Lake	Cheyenne


For more detailed Wyoming road conditions, please visit WYDOT at: wyoroad.info

Road Conditions for Surrounding States

Teton Pass - Hwy 22	Alpine Junction - U.S. Hwy 26/89/191	Jackson	Bondurant - U.S. Hwy 189

Togwotee Pass - U.S. Hwy 26	Dubois	Granite Pass - U.S. Hwy 14	Powder River Pass - U.S. Hwy 16

South Pass - Hwy 28	Salt River Pass	Buffalo - I-25/I-90 Interchange	Casper

I-80 - Little America	Beaver Rim - U.S. Hwy 287	I-80 - Rock Springs	I-80 - Laramie

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