Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

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)
106 NOUS45 KRIW 300054 PNSRIW WYZ001>020-022>030-301254- Public Information Statement National Weather Service Riverton WY 654 PM MDT Mon Jun 29 2026 ...HIGHEST WIND REPORTS MONDAY 29 JUNE 2026... Gusty winds impacted much of western and central Wyoming again today. Wind gusts of 35 to 45 mph were widespread across the area, with the higher gusts occurring between 1PM and 6PM. Below are wind gusts 50 mph and above. Location Speed Time/Date Elevation (ft.) ...Wyoming... ...Fremont County... WY28 South Pass (DOT) 65 MPH 0232 PM 06/29 8195 Skyline (PC) 63 MPH 1230 PM 06/29 8500 Wind River 63 MPH 0501 PM 06/29 9235 WY28 Red Canyon (DOT) 62 MPH 1236 PM 06/29 6581 Camp Creek 57 MPH 0150 PM 06/29 7380 ...Hot Springs County... Thermopolis (CWOP) 57 MPH 0240 PM 06/29 4425 Boysen Peak (AWOS) 54 MPH 0555 PM 06/29 7099 Stagner (PC) 52 MPH 0610 PM 06/29 7053 ...Johnson County... School House 58 MPH 1047 AM 06/29 8604 I-25 Tisdale Divide (DOT) 58 MPH 0152 PM 06/29 4990 Tisdale Mtn (PC) 56 MPH 0550 PM 06/29 5557 ...Natrona County... Scenic Dr (PC) 82 MPH 0550 PM 06/29 5827 Claude Creek (PC) 69 MPH 0330 PM 06/29 6282 Muddy Creek (PC) 68 MPH 0350 PM 06/29 5571 Casper Airport (ASOS) 66 MPH 0125 PM 06/29 5348 I-25 Twenty Mile Hill (DOT) 66 MPH 0312 PM 06/29 5656 Fales Rock 64 MPH 0210 PM 06/29 6379 WY258 Outer Drive (DOT) 63 MPH 0332 PM 06/29 5462 I-25 Hat Six (DOT) 62 MPH 0426 PM 06/29 5157 WY220 Pathfinder (DOT) 61 MPH 0232 PM 06/29 6345 I-25 F Street (DOT) 58 MPH 0546 PM 06/29 5312 Stag Run (PC) 57 MPH 0140 PM 06/29 8095 US20 Natrona (DOT) 57 MPH 0306 PM 06/29 5594 North Platte (PC) 56 MPH 0350 PM 06/29 5990 Casper Mtn 55 MPH 0152 PM 06/29 7740 Evansville (CWOP) 55 MPH 0624 PM 06/29 5187 Whitcomb Rd (PC) 54 MPH 0540 PM 06/29 7987 Midwest (PC) 54 MPH 0100 PM 06/29 4974 I-25 Smokey Gap (DOT) 52 MPH 0212 PM 06/29 5161 Coates Rd (PC) 50 MPH 0100 PM 06/29 5866 ...Park County... WY296 Chief J Pass (DOT) 59 MPH 0327 PM 06/29 8084 Irma Lake (PC) 59 MPH 0410 PM 06/29 6222 Mccullough Peaks (PC) 56 MPH 0340 PM 06/29 6077 Cedar Mountain (PC) 53 MPH 0530 PM 06/29 7542 Rattlesnake Mtn 52 MPH 1040 AM 06/29 8401 ...Sweetwater County... Mustang (PC) 51 MPH 0320 PM 06/29 7060 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)

                        
106
NOUS45 KRIW 300054
PNSRIW
WYZ001>020-022>030-301254-

Public Information Statement
National Weather Service Riverton WY
654 PM MDT Mon Jun 29 2026

...HIGHEST WIND REPORTS MONDAY 29 JUNE 2026...

Gusty winds impacted much of western and central Wyoming
again today. Wind gusts of 35 to 45 mph were widespread
across the area, with the higher gusts occurring between
1PM and 6PM. Below are wind gusts 50 mph and above.

Location                     Speed     Time/Date       Elevation (ft.)

...Wyoming...

...Fremont County...
WY28 South Pass (DOT)        65 MPH    0232 PM 06/29   8195
Skyline (PC)                 63 MPH    1230 PM 06/29   8500
Wind River                   63 MPH    0501 PM 06/29   9235
WY28 Red Canyon (DOT)        62 MPH    1236 PM 06/29   6581
Camp Creek                   57 MPH    0150 PM 06/29   7380

...Hot Springs County...
Thermopolis (CWOP)           57 MPH    0240 PM 06/29   4425
Boysen Peak (AWOS)           54 MPH    0555 PM 06/29   7099
Stagner (PC)                 52 MPH    0610 PM 06/29   7053

...Johnson County...
School House                 58 MPH    1047 AM 06/29   8604
I-25 Tisdale Divide (DOT)    58 MPH    0152 PM 06/29   4990
Tisdale Mtn (PC)             56 MPH    0550 PM 06/29   5557

...Natrona County...
Scenic Dr (PC)               82 MPH    0550 PM 06/29   5827
Claude Creek (PC)            69 MPH    0330 PM 06/29   6282
Muddy Creek (PC)             68 MPH    0350 PM 06/29   5571
Casper Airport (ASOS)        66 MPH    0125 PM 06/29   5348
I-25 Twenty Mile Hill (DOT)  66 MPH    0312 PM 06/29   5656
Fales Rock                   64 MPH    0210 PM 06/29   6379
WY258 Outer Drive (DOT)      63 MPH    0332 PM 06/29   5462
I-25 Hat Six (DOT)           62 MPH    0426 PM 06/29   5157
WY220 Pathfinder (DOT)       61 MPH    0232 PM 06/29   6345
I-25 F Street (DOT)          58 MPH    0546 PM 06/29   5312
Stag Run (PC)                57 MPH    0140 PM 06/29   8095
US20 Natrona (DOT)           57 MPH    0306 PM 06/29   5594
North Platte (PC)            56 MPH    0350 PM 06/29   5990
Casper Mtn                   55 MPH    0152 PM 06/29   7740
Evansville (CWOP)            55 MPH    0624 PM 06/29   5187
Whitcomb Rd (PC)             54 MPH    0540 PM 06/29   7987
Midwest (PC)                 54 MPH    0100 PM 06/29   4974
I-25 Smokey Gap (DOT)        52 MPH    0212 PM 06/29   5161
Coates Rd (PC)               50 MPH    0100 PM 06/29   5866

...Park County...
WY296 Chief J Pass (DOT)     59 MPH    0327 PM 06/29   8084
Irma Lake (PC)               59 MPH    0410 PM 06/29   6222
Mccullough Peaks (PC)        56 MPH    0340 PM 06/29   6077
Cedar Mountain (PC)          53 MPH    0530 PM 06/29   7542
Rattlesnake Mtn              52 MPH    1040 AM 06/29   8401

...Sweetwater County...
Mustang (PC)                 51 MPH    0320 PM 06/29   7060

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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Northern Rockies Radar	Riverton Radar

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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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.

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