National Weather Service United States Department of Commerce

Rain, thunderstorms possible for parts of Texas and Gulf Coast; additional rain and mountain snow forecast out West

A developing storm system will bring rain and thunderstorms across parts of South Texas and the western Gulf Coast on Thursday. Some of the thunderstorms that develop late Thursday night into Friday have the potential to be severe. Meanwhile, additional rainfall and mountain snow is forecast for northern California and the Pacific Northwest.
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Current Conditions

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Yellowstone National Park WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 13 °F

Friday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 26 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 15 °F

Saturday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 26 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 17 °F

Sunday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 29 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 18 °F

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 29 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 15 °F

Detailed Forecast

  • Overnight A 40 percent chance of snow. Mostly cloudy, with a low around 13. Wind chill values as low as zero. Southwest wind 11 to 13 mph. Total nighttime snow accumulation of less than one inch possible.
  • Friday A 40 percent chance of snow. Partly sunny, with a high near 26. Southwest wind 11 to 14 mph. New snow accumulation of less than one inch possible.
  • Friday Night A 50 percent chance of snow. Mostly cloudy, with a low around 15. Southwest wind 11 to 14 mph, with gusts as high as 20 mph. New snow accumulation of 1 to 3 inches possible.
  • Saturday A 50 percent chance of snow. Mostly cloudy, with a high near 26. West southwest wind 7 to 10 mph. New snow accumulation of less than one inch possible.
  • Saturday Night A 50 percent chance of snow. Mostly cloudy, with a low around 17. West southwest wind 7 to 9 mph. New snow accumulation of 1 to 2 inches possible.
  • Sunday Snow likely. Cloudy, with a high near 29. West wind 9 to 11 mph. Chance of precipitation is 70%.
  • Sunday Night Snow likely. Cloudy, with a low around 18. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
  • Monday Snow likely. Cloudy, with a high near 29. Chance of precipitation is 70%.
  • Monday Night A 50 percent chance of snow. Mostly cloudy, with a low around 15.
  • Tuesday A 40 percent chance of snow. Mostly cloudy, with a high near 23.
  • Tuesday Night A chance of snow. Mostly cloudy, with a low around 14.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 22.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 12.