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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10 Miles ENE Etna WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

This
Afternoon

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 51 °F

Tonight

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 30 °F

Wednesday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 48 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 25 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 55 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 27 °F

Friday

Sunny

Sunny

High: 62 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 30 °F

Saturday

Sunny

Sunny

High: 66 °F

Detailed Forecast

  • This Afternoon Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 51. West wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
  • Tonight Rain showers likely before 9pm, then a slight chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight. Some thunder is also possible. Mostly cloudy, with a low around 30. West southwest wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Wednesday A slight chance of snow showers before 9am, then a slight chance of rain and snow showers between 9am and noon, then scattered rain showers after noon. Some thunder is also possible. Mostly cloudy, with a high near 48. Light west northwest wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
  • Wednesday Night Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph.
  • Thursday Mostly sunny, with a high near 55. South southwest wind 3 to 8 mph.
  • Thursday Night Partly cloudy, with a low around 27. West wind around 6 mph becoming south after midnight.
  • Friday Sunny, with a high near 62. Light south wind.
  • Friday Night Mostly clear, with a low around 30.
  • Saturday Sunny, with a high near 66.
  • Saturday Night Mostly clear, with a low around 33.
  • Sunday Sunny, with a high near 65.
  • Sunday Night Mostly clear, with a low around 34.
  • Monday Sunny, with a high near 66.