National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
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Hazardous Weather Conditions

Current Conditions

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Mammoth Hot Springs WY

7 Day Forecast

Riverton, WY

NWS Weather Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 60 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 39 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 57 °F

Tuesday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 35 °F

Wednesday

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 37 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 28 °F

Thursday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 43 °F

Thursday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 31 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 34. South southwest wind 5 to 7 mph becoming southeast after midnight.
  • Monday Mostly sunny, with a high near 60. Southeast wind 7 to 10 mph.
  • Monday Night A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 39. South southeast wind 8 to 13 mph.
  • Tuesday A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
  • Tuesday Night Showers likely and possibly a thunderstorm. Cloudy, with a low around 35. Breezy, with a south southeast wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
  • Wednesday Rain showers likely before noon, then rain and snow showers likely. Cloudy, with a high near 37. West southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
  • Wednesday Night Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 28. West southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
  • Thursday A slight chance of rain and snow showers. Partly sunny, with a high near 43. Chance of precipitation is 20%.
  • Thursday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
  • Friday A slight chance of rain and snow showers. Partly sunny, with a high near 49. Chance of precipitation is 20%.
  • Friday Night A chance of rain and snow showers. Mostly cloudy, with a low around 35.
  • Saturday A chance of rain and snow showers. Mostly cloudy, with a high near 48.
  • Saturday Night A chance of rain and snow showers. Mostly cloudy, with a low around 32.
  • Sunday A chance of rain and snow showers. Partly sunny, with a high near 45.

 

Additional Forecasts and Information

Zone Area Forecast for Yellowstone National Park, WY