US National Weather Service Riverton Wyoming

US National Weather Service Riverton Wyoming Serving Western and Central Wyoming. Posts do not always reflect the most recent info. For current info visit weather.gov/riw
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Moist Southwesterly flow will continue to bring in plentiful moisture today. This will bring in more showers and thunder...
08/29/2026

Moist Southwesterly flow will continue to bring in plentiful moisture today. This will bring in more showers and thunderstorms today into tonight. Some storms may produce damaging wind, large hail, and torrential rain.

Strong to severe thunderstorms will develop Saturday morning through Saturday evening across the area. Damaging wind wil...
08/29/2026

Strong to severe thunderstorms will develop Saturday morning through Saturday evening across the area. Damaging wind will be the main threat, but large hail and heavy rain will be possible as well.

Showers and thunderstorms are expected for much of the weekend. This will lead to flooding potential, with the best chan...
08/28/2026

Showers and thunderstorms are expected for much of the weekend. This will lead to flooding potential, with the best chances across western Wyoming.

A rainy and stormy day is in store for much of west and northwest WY. Elsewhere across the area, scattered showers and t...
08/28/2026

A rainy and stormy day is in store for much of west and northwest WY. Elsewhere across the area, scattered showers and thunderstorms are expected from noon to 7PM. Thunderstorms could produce gusty 45 to 50 mph winds. Check out your locations forecast at https://www.weather.gov/forecastpoints/

08/28/2026

Thursday 7PM Update: Showers and thunderstorms will continue to move across the state this evening. The main concerns will be strong outflow winds up to 50 mph, frequent lightning, small hail, and brief periods of heavy rain. Showers may linger into Friday morning across portions of the state.

08/27/2026

1:45 PM Thursday: Here's a look at current radar imagery. Showers and thunderstorms will continue to develop this afternoon, moving northeastward through the evening. Strong outflow wind gusts, lightning, and brief heavy rainfall are possible with this activity.

Showers and thunderstorms are forecast to develop across the higher terrain and move east into the lower elevations begi...
08/27/2026

Showers and thunderstorms are forecast to develop across the higher terrain and move east into the lower elevations beginning around 1PM. Any given location has a 20% to 50% chance of seeing a shower or thunderstorm. Thunderstorms could produce gusty 35 to 45 mph winds, with isolated gusts up to 60 mph possible.

More widespread showers and thunderstorms are expected Friday through the weekend.

An influx of Pacific moisture will help fuel daily chances for showers and thunderstorms over the next few days. Tempera...
08/27/2026

An influx of Pacific moisture will help fuel daily chances for showers and thunderstorms over the next few days. Temperatures will be on the seasonably warm side to end the work week with cooler temperatures by the weekend. There even is a chance for the first freeze across the lower elevations of western WY Sunday night into Monday morning.

08/26/2026

2:40 PM Wednesday: Another afternoon of showers and thunderstorms is ongoing. Strong outflow wind gusts will be possible with this activity through the evening, as well as lightning and brief heavy rain.

Isolated to scattered showers and thunderstorms are forecast to develop across the higher terrain of western and central...
08/26/2026

Isolated to scattered showers and thunderstorms are forecast to develop across the higher terrain of western and central Wyoming then move east into the basins. Thunderstorms could produce gusty 45 to 60 mph outflows. Higher shower and thunderstorm chances exist on Thursday across west and northwest Wyoming.

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Riverton, WY
82501

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