National Weather Service United States Department of Commerce

Heavy Snow For the Southern Rockies with Heavy Rain for Portions of the Southwest

A moist flow off the Pacific will bring heavy rain to southern California and Arizona with heavy snow for the southern Rocky Mountains Monday. More freezing rain is possible from the southern Plains to the central Mississippi Valley. Heavy snow is also expected for portions of New England and upstate New York Monday.
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Current Conditions

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Sinclair WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

Tonight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: -10 °C

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 2 °C

Monday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: -12 °C

Tuesday

Snow Chance for Measurable Precipitation 90%

Snow

High: -8 °C

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -21 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: -9 °C

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: -16 °C

Thursday

Sunny

Sunny

High: -2 °C

Thursday
Night

Mostly Clear

Mostly
Clear

Low: -9 °C

Detailed Forecast

  • Tonight Snow likely, mainly after 2am. Mostly cloudy, with a low around -10. East southeast wind 5 to 10 km/h becoming south southwest after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one centimeter possible.
  • Monday Snow likely. Cloudy, with a high near 2. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Chance of precipitation is 70%. New snow accumulation of 6 to 10 centimeters possible.
  • Monday Night Snow with areas of blowing snow. Low around -12. Blustery, with a north northwest wind 15 to 25 km/h increasing to 25 to 35 km/h in the evening. Winds could gust as high as 50 km/h. Chance of precipitation is 100%. New snow accumulation of 8 to 12 centimeters possible.
  • Tuesday Snow. High near -8. Wind chill values as low as -25. Northeast wind 20 to 25 km/h. Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.
  • Tuesday Night A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -21. North northwest wind 10 to 15 km/h becoming west after midnight.
  • Wednesday Mostly sunny, with a high near -9.
  • Wednesday Night Mostly clear, with a low around -16.
  • Thursday Sunny, with a high near -2.
  • Thursday Night Mostly clear, with a low around -9.
  • Friday Mostly sunny, with a high near 3.
  • Friday Night Partly cloudy, with a low around -10.
  • Saturday Mostly sunny, with a high near 2.
  • Saturday Night Partly cloudy, with a low around -7.
  • Sunday Mostly sunny, with a high near 4.