Helena Forecast: Sunny, Mild Through Friday Before Weekend Chill With Rain and Mountain Snow
An upper-level ridge yields to a weekend trough that ushers in a sharp cool-down and a return of precipitation.
Overview
- Monday started unusually cold across the region, with lows in the teens to low 30s and 11°F reported at Elk Park and Gates Park.
- Tuesday through Friday looks mostly sunny, dry, and pleasant under a ridge, with highs in the mid to upper 60s and low to mid 70s Tuesday and Wednesday.
- A dry cold front on Thursday brings a brief dip in temperatures, with highs limited to the upper 50s and 60s.
- Friday is expected to be the warmest day of the week with highs in the 70s and generally light to moderate breezes.
- An incoming trough turns conditions unsettled this weekend, with increasing clouds and scattered showers Saturday, mountain snow and rain/snow in lower elevations Sunday, highs falling into the 40s, and sustained winds around 10–25 mph.