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District 4 (Northeast) I90: Crash, All lanes blocked Eastbound near Sheridan at milepost 14.0, Traffic being diverted onto WY 345 at milepost 9.

Interstate 25
Town Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
Buffalo
NWS Forecast 		Between Exit 265, Reno Rd and Buffalo Slick in Spots with Dangerous Winds Extreme Blow Over Risk
Closed to all high profile vehicles under 20000 GVW due to gusting winds
 Dec 21, 2025, 02:53 PM    


Interstate 90
Town Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
Sheridan
NWS Forecast 		Between the Montana State Line and Ranchester Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Ranchester and Sheridan Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Sheridan and Exit 44, Piney Creek Rd Slick in Spots None None Dec 21, 2025, 09:49 AM    
Buffalo
NWS Forecast 		Between Exit 44, Piney Creek Rd and Buffalo Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Buffalo and the Johnson/Campbell County Line Slick in Spots None None Dec 21, 2025, 09:49 AM    
Gillette
NWS Forecast 		Between the Johnson/Campbell County Line and Gillette Dry None None Dec 21, 2025, 01:56 PM    
Between Gillette and Rozet Slick in Spots None None Dec 21, 2025, 09:49 AM    
Moorcroft
NWS Forecast 		Between Rozet and Moorcroft Dry None None Dec 21, 2025, 01:43 PM    
Between Moorcroft and Exit 165, Pine Ridge Rd Dry None None Dec 21, 2025, 01:43 PM    
Sundance
NWS Forecast 		Between Exit 165, Pine Ridge Rd and Sundance Dry None None Dec 21, 2025, 01:43 PM    
EASTBOUND between Sundance and the South Dakota State Line Dry None None Dec 21, 2025, 01:43 PM    
WESTBOUND between Sundance and the South Dakota State Line Dry None I 90/US 14 from milepost 205.700 to 206.100
Height restriction: 15 ft 5 in 		Dec 21, 2025, 01:43 PM    



Buffalo
NWS Forecast Buffalo
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
I 25 / US 87 Between Exit 265, Reno Rd and Buffalo Slick in Spots with Dangerous Winds Extreme Blow Over Risk
Closed to all high profile vehicles under 20000 GVW due to gusting winds
 Dec 21, 2025, 02:53 PM    
I 90 / US 87 Between Exit 44, Piney Creek Rd and Buffalo Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Buffalo and the Johnson/Campbell County Line Slick in Spots None None Dec 21, 2025, 09:49 AM    
US 14/16 Between Ucross and Mile Marker 60, the Sheridan/Campbell County Line Slick None None Dec 21, 2025, 09:49 AM    
US 16 Between Hunter Ranger Station and Buffalo Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Buffalo and Ucross Slick None None Dec 21, 2025, 09:49 AM    
WY 196 Between Beaver Creek and Buffalo Slick in Spots with Dangerous Winds Extreme Blow Over Risk None Dec 21, 2025, 02:53 PM    
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Burgess Junction
NWS Forecast Burgess Junction
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
US 14 Between Antelope Butte Mountain Recreation Area and Elk View Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Elk View and Steamboat Rock Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Steamboat Rock and Dayton School Slick in Spots Falling Rock None Dec 21, 2025, 09:49 AM    
US 14 A Between the Sheridan/Big Horn County Line and Bear Lodge Road Closed Due To Seasonal Closure Dec 21, 2025, 09:49 AM    
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Gillette
NWS Forecast Gillette
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
I 90 Between the Johnson/Campbell County Line and Gillette Dry None None Dec 21, 2025, 01:56 PM    
Between Gillette and Rozet Slick in Spots None None Dec 21, 2025, 09:49 AM    
US 14/16 Between Mile Marker 60, the Sheridan/Campbell County Line and WY 59 Dry None None Dec 21, 2025, 01:56 PM    
Between WY 59 and Gillette Dry None None Dec 21, 2025, 01:56 PM    
WY 50 Between Gillette and Mile Marker 12, Clarkelen Rd Closure Gate Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Mile Marker 12, Clarkelen Rd Closure Gate and Pine Tree Junction Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 51 Between Gillette and Rozet Dry None None Dec 21, 2025, 01:56 PM    
WY 59 Between Mile Marker 94, Haight Rd and Gillette Dry None None Dec 21, 2025, 01:56 PM    
Between US 14/16 and Mile Marker 126, Northbound Closure Gate Dry None WY 59 from milepost 123.800 to 123.930
Width restriction: 12 ft 0 in 		Dec 21, 2025, 01:56 PM    
Between Mile Marker 126, Northbound Closure Gate and the Montana State Line Dry None None Dec 21, 2025, 01:56 PM    
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Hulett
NWS Forecast Hulett
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
US 212 Between the Montana State Line and the South Dakota State Line Dry None None Dec 21, 2025, 01:43 PM    
WY 110 Between WY 24 and Devils Tower Nat'l Monument Slick in Spots None WY 110 from milepost 0.000 to 0.020
Height restriction: 20 ft 6 in
WY 110 from milepost 0.000 to 0.020
Height restriction: 20 ft 6 in 		Dec 21, 2025, 09:49 AM    
WY 112 Between Hulett and Strawberry Hill Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Strawberry Hill and the Montana State Line Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 24 Between US 14 and Hulett Slick in Spots None WY 24 from milepost 0.000 to 0.100
Height restriction: 19 ft
WY 24 from milepost 0.000 to 0.100
Height restriction: 19 ft
WY 24 from milepost 5.970 to 5.990
Height restriction: 20 ft 6 in
WY 24 from milepost 5.970 to 5.990
Height restriction: 20 ft 6 in 		Dec 21, 2025, 09:49 AM    
Between Hulett and the east side of Bear Lodge Slick in Spots None None Dec 21, 2025, 09:49 AM    
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Moorcroft
NWS Forecast Moorcroft
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
I 90 / US 14/16 Between Rozet and Moorcroft Dry None None Dec 21, 2025, 01:43 PM    
Between Moorcroft and Exit 165, Pine Ridge Rd Dry None None Dec 21, 2025, 01:43 PM    
US 14 Between Moorcroft and WY 113 Dry None None Dec 21, 2025, 01:43 PM    
Between WY 113 and Carlile Dry None None Dec 21, 2025, 01:43 PM    
US 16 Between Moorcroft and Weston/Crook County Line Dry None None Dec 21, 2025, 01:43 PM    
Between Weston/Crook County Line and Upton Dry None None Dec 21, 2025, 01:43 PM    
WY 113 Between US 14 and Pine Haven Dry None None Dec 21, 2025, 01:43 PM    
WY 51 Between Rozet and Moorcroft Dry None WY 51 at milepost 143.600
Single unit 6+ axles: 33T 		Dec 21, 2025, 01:43 PM    
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Newcastle
NWS Forecast Newcastle
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
US 16 Between Upton and Newcastle Dry None Single unit 6+ axles: 32T Dec 21, 2025, 01:43 PM    
Between Mile Marker 249 and Mile Marker 254, Eastbound Closure Gate Dry None None Dec 21, 2025, 01:43 PM    
Between Mile Marker 254, Eastbound Closure Gate and the South Dakota State Line Dry None None Dec 21, 2025, 01:43 PM    
US 16 Bypass Between Mile Marker 247 and Mile Marker 249 Dry None None Dec 21, 2025, 01:43 PM    
US 18 Between Mule Creek Jct and the South Dakota State Line Dry None None Dec 21, 2025, 01:43 PM    
US 85 Between Mule Creek Jct and Niobrara/Weston County Line Dry None None Dec 21, 2025, 01:43 PM    
Between Newcastle and WY 585, Four Corners Dry None None Dec 21, 2025, 01:43 PM    
Between Niobrara/Weston County Line and Newcastle Dry None None Dec 21, 2025, 01:43 PM    
Between WY 585, Four Corners and the South Dakota State Line Slick in Spots None None Dec 21, 2025, 01:43 PM    
WY 116 Between Upton and WY 450 Dry None None Dec 21, 2025, 01:43 PM    
WY 450 Between Newcastle and WY 116 Dry None None Dec 21, 2025, 01:43 PM    
Between WY 116 and the Campbell/Weston County Line Dry None None Dec 21, 2025, 01:43 PM    
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Powder River Pass
NWS Forecast Powder River Pass
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
US 16 Between Deer Haven Lodge and Canyon Creek Rd Slick None None Dec 21, 2025, 02:17 PM    
Between Canyon Creek Rd and Sheep Mountain Rd Slick None None Dec 21, 2025, 02:17 PM    
Between Sheep Mountain Rd and Hunter Ranger Station Wet, Slick in Spots None None Dec 21, 2025, 02:17 PM    
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Reno Junction
NWS Forecast Reno Junction
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
WY 387 Between Pine Tree Jct and Wright Dry None None Dec 21, 2025, 01:43 PM    
Between Wright and Reno Jct Dry None None Dec 21, 2025, 01:43 PM    
WY 450 Between the Campbell/Weston County Line and Mile Marker 54, Eastbound Closure Gate Dry None None Dec 21, 2025, 01:43 PM    
Between Mile Marker 54, Eastbound Closure Gate and WY 59 Dry None None Dec 21, 2025, 01:43 PM    
WY 59 Between the Campbell/Converse Cty Line and Mile Marker 67, Edwards Rd Dry None None Dec 21, 2025, 01:43 PM    
Between Mile Marker 67, Edwards Rd and Wright Dry None None Dec 21, 2025, 01:43 PM    
Between Wright and Mile Marker 94, Haight Rd Dry None None Dec 21, 2025, 01:43 PM    
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Sheridan
NWS Forecast Sheridan
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
I 90 / US 87 Between the Montana State Line and Ranchester Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Ranchester and Sheridan Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Sheridan and Exit 44, Piney Creek Rd Slick in Spots None None Dec 21, 2025, 09:49 AM    
US 14 Between Dayton and Ranchester Wet None None Dec 21, 2025, 09:49 AM    
Between Sheridan and Ucross Slick None None Dec 21, 2025, 09:49 AM    
US 87 Between Banner and Sheridan Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 193 Between Kearny and Banner Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 194 Between Story and End of State Route Slick None None Dec 21, 2025, 09:49 AM    
WY 331 Between Sheridan and Beckton Slick None None Dec 21, 2025, 09:49 AM    
WY 332 Between Sheridan and WY 334 Wet, Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 335 Between US 87 and Red Grade Rd Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 336 Between Sheridan and Dutch Creek Rd Wet None None Dec 21, 2025, 09:49 AM    
WY 338 Between Sheridan and the Montana State Line Wet None None Dec 21, 2025, 09:49 AM    
WY 340 Between Story and North Piney Creek Slick None None Dec 21, 2025, 09:49 AM    
WY 343 Between WY 345 and Dayton Wet None None Dec 21, 2025, 09:49 AM    
WY 345 Between the Montana State Line and Ranchester Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between Ranchester and I-90 Slick in Spots None None Dec 21, 2025, 09:49 AM    
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Sundance
NWS Forecast Sundance
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
I 90 Between Exit 165, Pine Ridge Rd and Sundance Dry None None Dec 21, 2025, 01:43 PM    
between Sundance and the South Dakota State Line Dry None None Dec 21, 2025, 01:43 PM    
between Sundance and the South Dakota State Line Dry None I 90/US 14 from milepost 205.700 to 206.100
Height restriction: 15 ft 5 in 		Dec 21, 2025, 01:43 PM    
I 90 Business Between Sundance and South Dakota State Line Dry None None Dec 21, 2025, 01:43 PM    
US 14 Between Carlile and WY 24 Slick in Spots None None Dec 21, 2025, 09:49 AM    
Between WY 24 and Sundance Slick None US 14 from milepost 181.100 to 181.300
Height restriction: 19 ft
US 14 from milepost 181.100 to 181.300
Height restriction: 19 ft 		Dec 21, 2025, 09:49 AM    
WY 111 Between Aladdin and I-90 Dry None WY 111 from milepost 0.000 to 0.050
Height restriction: 19 ft
WY 111 from milepost 0.000 to 0.050
Height restriction: 19 ft 		Dec 21, 2025, 01:43 PM    
WY 116 Between Sundance and Upton Slick in Spots None None Dec 21, 2025, 09:49 AM    
WY 24 Between the east side of Bear Lodge and the South Dakota State Line Slick in Spots None WY 24 from milepost 39.650 to 39.670
Height restriction: 19 ft
WY 24 from milepost 39.650 to 39.670
Height restriction: 19 ft 		Dec 21, 2025, 09:49 AM    
WY 585 Between Crook/Weston County Line and Sundance Dry None None Dec 21, 2025, 01:43 PM    
Between Four Corners and Crook/Weston County Line Dry None None Dec 21, 2025, 01:43 PM    
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NWS Forecast
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
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NWS Forecast
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
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NWS Forecast
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
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NWS Forecast
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
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NWS Forecast
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
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*Chain Law - Level 1 Definition
**Chain Law - Level 2 Definition
Other Definitions

Impact Levels Description / Recommended Action
Low Minimal impacts expected, use general caution.
Moderate Some impacts expected, use extra caution. Stay alert for changing road and weather conditions.
High Dangerous impacts expected, use extreme caution, delay travel or consider alternate route. If travel is necessary, slow down and allow extra time.
CLOSED Per W.S. 24-1-109, motorists traveling on a closed road without permission from WYDOT or WHP may be subject to a fine of up to $750 and/or up to 30 days imprisonment.
Seasonal / Long-Duration Event Impact level used to distinguish long-duration events from emergent events.
All travelers are encouraged to check present conditions and forecasts before departing.


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