National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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10 Miles ENE Alpine WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Tuesday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 52 °F

Tuesday
Night

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 28 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 50 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 58 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 32 °F

Friday

Sunny

Sunny

High: 61 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 33 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 36. South wind 5 to 7 mph.
  • Tuesday A chance of rain and snow showers before 10am, then a chance of rain showers. Some thunder is also possible. Cloudy, with a high near 52. South southeast wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Tuesday Night Scattered showers before midnight. Mostly cloudy, with a low around 28. South southwest wind 6 to 10 mph. Chance of precipitation is 40%.
  • Wednesday Mostly sunny, with a high near 50. South wind 5 to 7 mph.
  • Wednesday Night Partly cloudy, with a low around 26. West southwest wind around 6 mph becoming calm in the evening.
  • Thursday Mostly sunny, with a high near 58. South wind around 6 mph.
  • Thursday Night Partly cloudy, with a low around 32. Light south southwest wind.
  • Friday Sunny, with a high near 61.
  • Friday Night Mostly clear, with a low around 33.
  • Saturday Sunny, with a high near 59.
  • Saturday Night A slight chance of snow showers. Partly cloudy, with a low around 31.
  • Sunday A slight chance of rain and snow showers. Partly sunny, with a high near 47.
  • Sunday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 25.
  • Monday A slight chance of showers. Mostly sunny, with a high near 47.