National Weather Service United States Department of Commerce

Much needed precipitation continues across the Southwest; central and eastern U.S. prepare for more winter weather

Widespread and much-needed precipitation across the Southwest will begin to spread into the Plains through Saturday. As the moisture encounters an Arctic airmass dropping down through the north-central U.S., moderate to heavy snow is expected to develop across the Midwest Saturday and then move into portions of the Mid-Atlantic and Northeast on Sunday.
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Hazardous Weather Conditions

Current Conditions

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20 Miles N Arminto WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Saturday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 34 °FFalling Temperatures

Saturday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 13 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 28 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 22 °F

Monday

Partly Sunny

Partly
Sunny

High: 36 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 27 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 36 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 19 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 23. West southwest wind around 7 mph.
  • Saturday A 20 percent chance of snow after 11am. Mostly sunny, with a temperature rising to near 34 by noon, then falling to around 18 during the remainder of the day. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.
  • Saturday Night A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. Northwest wind 11 to 18 mph, with gusts as high as 24 mph. New snow accumulation of less than one inch possible.
  • Sunday A 20 percent chance of snow before 11am. Partly sunny, with a high near 28. Wind chill values as low as zero. West wind 9 to 13 mph.
  • Sunday Night Partly cloudy, with a low around 22. West southwest wind 10 to 14 mph.
  • Monday Partly sunny, with a high near 36. West southwest wind 14 to 17 mph, with gusts as high as 23 mph.
  • Monday Night A 20 percent chance of snow. Mostly cloudy, with a low around 27. Breezy, with a west wind 13 to 21 mph.
  • Tuesday A 20 percent chance of snow. Partly sunny, with a high near 36. Breezy.
  • Tuesday Night A 50 percent chance of snow. Mostly cloudy, with a low around 19.
  • Wednesday A 20 percent chance of snow. Partly sunny, with a high near 29.
  • Wednesday Night Partly cloudy, with a low around 19.
  • Thursday Mostly sunny, with a high near 35.
  • Thursday Night Partly cloudy, with a low around 27.
  • Friday Mostly sunny, with a high near 41.