Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

SYNOPSIS: A Canadian winter storm system brought significant snow to the area over the weekend and bitter cold temperatures that will continue through today. Snow began in the northwest Saturday and ended Monday, moving southeast. Some locations saw significant snowfall such as Casper, WY, which saw up to 14.5", making it their 21st biggest snowstorm since 1937. Only a few mountain Snotels also recorded that much snow this storm.

Low temperatures were mostly -15F to -25F across north and central Wyoming Tuesday morning and this morning, with wind chills as low as 40 below at times. Temperatures are only expected to get to between -5F and -20F tonight into Thursday morning with highs getting into the teens to low 20's.

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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?"

**Storm Snow Totals**

	Click Image To Enlarge Snowfall totals for this weekend's winter storm

**Quick View of Expected Wednesday Temperatures and coldest possible Wind Chill Temperatures**

Click Image To Enlarge Recorded Tuesday Morning Lows	Click Image To Enlarge Forecast Low Temperatures on Wednesday Morning, February 21st

Click Image To Enlarge Forecast High Temperatures on Wednesday, February 21st

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Low Temperatures Tuesday Night/Wednesday Morning (Please double check date and time of product)
178 NOUS45 KRIW 140246 PNSRIW WYZ001>020-022>030-141446- Public Information Statement National Weather Service Riverton WY 846 PM MDT Wed May 13 2026 ...HIGHEST WIND REPORTS... Location Speed Time/Date Lat/Lon WY28 Red Canyon (DOT) 86 MPH 0522 PM 05/13 42.62N/108.61W Dickinson (PC) 66 MPH 0450 PM 05/13 42.35N/109.03W US20 Natrona (DOT) 65 MPH 0352 PM 05/13 43.03N/106.80W Lander Airport (ASOS) 64 MPH 0526 PM 05/13 42.82N/108.73W Cottonwood Merna (PC) 63 MPH 0440 PM 05/13 42.86N/110.30W Boysen Peak (AWOS) 63 MPH 0615 PM 05/13 43.47N/108.23W I-80 Tipton (DOT) 62 MPH 0152 PM 05/13 41.63N/108.30W Big Piney Airport (ASOS) 62 MPH 0417 PM 05/13 42.58N/110.10W WY258 Outer Drive (DOT) 62 MPH 0442 PM 05/13 42.81N/106.31W Dubois Airport (AWOS) 62 MPH 0135 PM 05/13 43.55N/109.68W Anderson Ridge 62 MPH 0550 PM 05/13 42.44N/108.95W Rock Springs Airport (ASOS) 61 MPH 0408 PM 05/13 41.60N/109.07W Horse Ranch Creek (PC) 61 MPH 0430 PM 05/13 43.18N/106.34W US20 Hiland (DOT) 60 MPH 0417 PM 05/13 43.09N/107.32W Jackson Airport (AWOS) 59 MPH 0538 PM 05/13 43.61N/110.73W WY120 Meeteetse Rim (DOT) 59 MPH 0246 PM 05/13 44.27N/108.87W Riverton Airport (ASOS) 59 MPH 0551 PM 05/13 43.07N/108.47W Wyopo (PC) 58 MPH 0520 PM 05/13 42.85N/108.68W 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. $$

Low Temperatures Tuesday Night/Wednesday Morning
(Please double check date and time of product)

                        
178
NOUS45 KRIW 140246
PNSRIW
WYZ001>020-022>030-141446-

Public Information Statement
National Weather Service Riverton WY
846 PM MDT Wed May 13 2026

...HIGHEST WIND REPORTS...

Location                     Speed     Time/Date       Lat/Lon
WY28 Red Canyon (DOT)        86 MPH    0522 PM 05/13   42.62N/108.61W
Dickinson (PC)               66 MPH    0450 PM 05/13   42.35N/109.03W
US20 Natrona (DOT)           65 MPH    0352 PM 05/13   43.03N/106.80W
Lander Airport (ASOS)        64 MPH    0526 PM 05/13   42.82N/108.73W
Cottonwood Merna (PC)        63 MPH    0440 PM 05/13   42.86N/110.30W
Boysen Peak (AWOS)           63 MPH    0615 PM 05/13   43.47N/108.23W
I-80 Tipton (DOT)            62 MPH    0152 PM 05/13   41.63N/108.30W
Big Piney Airport (ASOS)     62 MPH    0417 PM 05/13   42.58N/110.10W
WY258 Outer Drive (DOT)      62 MPH    0442 PM 05/13   42.81N/106.31W
Dubois Airport (AWOS)        62 MPH    0135 PM 05/13   43.55N/109.68W
Anderson Ridge               62 MPH    0550 PM 05/13   42.44N/108.95W
Rock Springs Airport (ASOS)  61 MPH    0408 PM 05/13   41.60N/109.07W
Horse Ranch Creek (PC)       61 MPH    0430 PM 05/13   43.18N/106.34W
US20 Hiland (DOT)            60 MPH    0417 PM 05/13   43.09N/107.32W
Jackson Airport (AWOS)       59 MPH    0538 PM 05/13   43.61N/110.73W
WY120 Meeteetse Rim (DOT)    59 MPH    0246 PM 05/13   44.27N/108.87W
Riverton Airport (ASOS)      59 MPH    0551 PM 05/13   43.07N/108.47W
Wyopo (PC)                   58 MPH    0520 PM 05/13   42.85N/108.68W

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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Current Radar & Web Cams - Click Thumbnails To Enlarge

Northern Rockies Radar	Riverton Radar

Pocatello	Billings

Salt Lake	Cheyenne

Road Conditions and Web Cameras

Teton Pass - Hwy 22	Alpine Junction - U.S. Hwy 26/89/191	Jackson	Togwotee Mountain Lodge

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

South Pass - Hwy 28	Cody	Buffalo - I-25/I-90 Interchange	Casper Mountain

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

Click Here to See All Webcams

If you plan to travel, we recommend checking road conditions along your route and staying on top of road closures here. If you are on Twitter, follow the hashtag: #WyoRoad (or look below) for the latest weather affecting roads and road conditions in and around Wyoming.

Tweets by @NWSRiverton	#WyoRoad Tweets
Get the play-by-play on this storm and contribute your own snow reports to #wywx Follow Us on Twitter @NWSRiverton	On the road? Tweet road conditions to #WyoRoad!

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