Cold Air Wake Up Call

Cold Canadian air pushed down through Wyoming on Wednesday, with high temperatures almost 20 degrees cooler in Jackson Hole than they were the day before, on Tuesday. Highs in Jackson Tuesday were in the lower 70’s, on Wednesday we were in the low to mid 50’s.

Low temps this morning (Wed. Oct. 4th)  changed even more radically, with overnight temps almost 35 degrees colder than on Tuesday morning…..with lows in the teens most places, whereas the lows on Tuesday morning, before the cold air arrived were in the upper 40’s to near 50.

Coldest temps as of 7:30 a.m. Wednesday morning around the Jackson Hole Region:
Town of Jackson =19 
JH Airport = 16
Moose = 14
South Park = 15

Cold air now pushing south into Utah & Colorado. Snowing in North Dakota & northern Minnesota. Snow will be staying well north of the cold front and to the east of the Continental Divide in WY & MT.  (See today’s weather map, & forecast map below). See more forecast maps on USA Forecasts Page on

Wednesday Oct. 4, 2012 Surface Analysis

Forecast Map for Oct. 4, 2012