42°49'N / 108°43'V / Altitudine 1632 m / 10:37 18.05.2026, America/Denver (UTC-6)
de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Snow expected. Additional snow accumulations between 5 and 8 inches, with higher amounts near Sinks Canyon Park. * WHERE...Lander Foothills. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Monday morning commute. Heavy snow could break tree limbs as many trees have leafed out.
Lander Foothills,Fremont
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
NWS Riverton WY
18.05.2026, 03:14de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Heavy snow expected. Additional snow accumulations between 5 and 9 inches, with locally higher amounts at the highest elevations. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains East. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including over South Pass.
FremontIf you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .NWS Riverton WY18.05.2026, 03:14de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Heavy snow possible. Additional snow accumulations between 6 and 12 inches possible with locally higher amounts up to 15 inches. Winds gusting as high as 55 mph. * WHERE...Green Mountains and Rattlesnake Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult. The hazardous conditions will impact the Monday morning commute.
FremontIf you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .NWS Riverton WY18.05.2026, 03:14
de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Snow expected. Additional snow accumulations between 1 and 4 inches, with locally higher amounts are possible around Hudson and Fort Washakie. Winds gusting as high as 45 mph. * WHERE...Upper Wind River Basin and Wind River Basin. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult due to a combination of snow and wind. The hazardous conditions could impact the Monday morning commute. Where heavy snow occurs, it is possible for tree limbs to break, as many trees have leafed out.
FremontSlow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .NWS Riverton WY18.05.2026, 03:14de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Snow expected. Additional snow accumulations up to 6 inches, with the higher amounts expected over southern end of the Bighorn Mountains. Winds gusting as high as 50 mph. * WHERE...Owl Creek and Bridger Mountains, Bighorn Mountains Southeast, Bighorn Mountains West, and Absaroka Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially over mountain passes such as Powder River Pass.
FremontSlow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .NWS Riverton WY18.05.2026, 03:14de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Snow expected. Additional snow accumulations between 4 and 8 inches. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains West. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially along South Pass. The hazardous conditions could impact the Monday morning commute.
FremontSlow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .NWS Riverton WY18.05.2026, 03:14de la: 18.05.2026, 03:14
la: 18.05.2026, 18:00
* WHAT...Snow expected. Total snow accumulations 1 to 3 inches. Winds gusting as high as 45 mph. * WHERE...Upper Green River Basin. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult due to a combination of wind and falling snow. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Greatest impacts will be further south, towards Farson. Here, winds and snow totals will be greatest.
FremontSlow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .NWS Riverton WY18.05.2026, 03:14