The Cheyenne Office of the National Weather Service says wind chills in southeast Wyoming this week could dip to a frigid -55 degrees this week.

 Meanwhile, both Cheyenne and Laramie are expecting actual low temperatures--not just wind chills, but temperatures--of -20 or colder.
The agency issued this special weather statement:
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
142 PM MST Sun Dec 18 2022

NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119-
191200-
/O.NEW.KCYS.WC.A.0001.221222T0000Z-221223T1500Z/
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
Including the cities of Chadron, Chadron St Park, Alliance,
Hemingford, Scottsbluff, Gering, Harrisburg, Angora, Bridgeport,
Bayard, Redington, Kimball, Sidney, Brownson, Harrison, Agate,
Douglas, Glenrock, Bill, Deer Creek, Lusk, Redbird, Wheatland,
Guernsey, Torrington, Cheyenne, and Pine Bluffs
142 PM MST Sun Dec 18 2022

...WIND CHILL WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
FRIDAY MORNING...

* WHAT...Extremely dangerous and life threatening wind chills
  expected. Wind chills of 50 to 65 degrees below zero.

* WHERE...Southeast Wyoming and the western Nebraska Panhandle
  along and east of Interstate 25.

* WHEN...5 PM MST Wednesday until 11 AM MST Friday. The most
  dangerous wind chill conditions will occur on Wednesday night
  and Thursday morning.

* IMPACTS...Wind chills of this magnitude can cause frostbite in
  less than 5 minutes if precautions are not taken. Hypothermia
  and death can also occur due to prolonged exposure to the cold.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$


Cheyenne Forecast:

Tonight
Partly cloudy, with a low around 12. West wind 5 to 10 mph.
Monday
Sunny, with a high near 38. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 17. West southwest wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 35. West southwest wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 14. Southwest wind around 10 mph.
Wednesday
Snow likely, mainly after 11am. Partly sunny, with a high near 27. Blustery. Chance of precipitation is 60%.
Wednesday Night
Snow likely, mainly before 11pm. Patchy blowing snow after 8pm. Mostly cloudy, with a low around -23. Blustery. Chance of precipitation is 60%.
Thursday
Patchy blowing snow between 8am and 11am. Mostly sunny and cold, with a high near -3. Blustery.
Thursday Night
Partly cloudy, with a low around -14.
Friday
Partly sunny, with a high near 22. Breezy.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Here is the Laramie forecast:
Tonight
Partly cloudy, with a low around 15. Wind chill values between zero and 10. Windy, with a west wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 40 mph.
Monday
Sunny, with a high near 30. Wind chill values between zero and 10. Windy, with a west wind 25 to 35 mph, with gusts as high as 55 mph.
Monday Night
Partly cloudy, with a steady temperature around 21. Breezy, with a west wind around 25 mph, with gusts as high as 40 mph.
Tuesday
Partly sunny, with a high near 31. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Tuesday Night
Partly cloudy, with a low around 18. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph.
Wednesday
Snow, mainly after 11am. High near 27. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow likely, mainly before 11pm. Patchy blowing snow between 2am and 5am. Mostly cloudy, with a low around -20. Blustery. Chance of precipitation is 60%.
Thursday
Patchy blowing snow after 9am. Mostly sunny and cold, with a high near -8. Blustery.

2022's Deadliest Wyoming County in Terms of Traffic Deaths

While car crashes can occur anywhere, some roads in Wyoming are more dangerous than others.

As the numbers stand now, more people have died on the road in Laramie County than in any other county in 2022.

Below is the Wyoming Highway Patrol narrative of every fatal crash that has occurred in Laramie County this year.
Partly cloudy, with a low around -13. Blustery.
Friday
A slight chance of snow. Patchy blowing snow after 9am. Partly sunny, with a high near 24. Breezy.
Friday Night
A slight chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 18. Breezy.
Saturday
A slight chance of snow. Patchy blowing snow. Mostly sunny, with a high near 32. Breezy.
Saturday Night
Patchy blowing snow. Partly cloudy, with a low around 23. Breezy.
Christmas Day
Mostly sunny, with a high near 36. Breezy.

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