Cheyenne, WY – A strong fall system is expected to bring rain, mountain snow, and a sharp drop in temperatures across southeast Wyoming over the next several days, according to the National Weather Service in Cheyenne.
Forecasters say rain and mountain snow will develop Sunday and Monday, especially west of Interstate 25, as colder air filters into the region. High temperatures are forecast to range from the 60s on Sunday to the 40s by Monday, with lows dipping into the 30s and 40s.
By Tuesday and Wednesday, the system will move east, allowing drier but much colder air to settle in. The National Weather Service warns that overnight lows could fall into the low 20s, leading to widespread sub-freezing conditions across much of the area. Highs will only reach the 40s and low 50s, with breezy conditions expected midweek.
Residents are urged to protect sensitive plants, outdoor plumbing, and livestock from the incoming freeze. Early-season travelers should also prepare for slick mountain roads where snow accumulations may occur, particularly in higher elevations west of Laramie and along I-80.
Conditions should gradually improve by Thursday, with mostly sunny skies and moderating temperatures returning by the end of the week.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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