National Weather Service United States Department of Commerce

Severe weather possible for parts of northern Plains

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon and evening across portions of the northern Plains, from extreme south-central North Dakota into eastern South Dakota. Isolated severe thunderstorms capable of hail and locally-strong wind gusts are possible.
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Hazardous Weather Conditions

Current Conditions

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4 Miles S East Thermopolis WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

This
Afternoon

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 65 °F

Tonight

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 39 °F

Wednesday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 55 °F

Wednesday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 34 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 61 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 65 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 40 °F

Saturday

Sunny

Sunny

High: 70 °F

Detailed Forecast

  • This Afternoon Scattered showers and thunderstorms. Mostly cloudy, with a high near 65. West northwest wind around 5 mph. Chance of precipitation is 40%.
  • Tonight Scattered showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 39. Light and variable wind becoming north 6 to 11 mph in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Scattered rain and snow showers before 9am, then scattered rain showers. Some thunder is also possible. Mostly cloudy, with a high near 55. North wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
  • Wednesday Night Isolated showers before midnight. Partly cloudy, with a low around 34. North northwest wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 20%.
  • Thursday Mostly sunny, with a high near 61. Southwest wind 5 to 8 mph becoming north in the afternoon.
  • Thursday Night Partly cloudy, with a low around 36. North northeast wind 6 to 9 mph becoming west southwest after midnight.
  • Friday Mostly sunny, with a high near 65. Southeast wind 3 to 5 mph.
  • Friday Night Mostly clear, with a low around 40.
  • Saturday Sunny, with a high near 70.
  • Saturday Night Mostly clear, with a low around 42.
  • Sunday Sunny, with a high near 69.
  • Sunday Night Mostly clear, with a low around 42.
  • Monday Sunny, with a high near 69.