BUTTE – Temperatures are climbing Wednesday afternoon and will jump slightly above seasonal averages before sunset tonight and again Thursday. 70s and 80s should be widespread across Montana for several days.
As temperatures increase with a SW flow aloft so to does the chance for afternoon and evening thunderstorms. Most storms should be on the weak side, however, most storms could produce brief heavy rain, small hail, frequent and deadly lightning, and strong outflow winds. If storms threaten your area please seek shelter until storms have passed. Thursday will be a better day for more widespread late day thunderstorms for SW Montana.
City by City Forecast:
BOZEMAN: LOW: 50°; HIGH THURSDAY: 78°. Mostly cloudy with a slight chance for a passing thunderstorm early this evening. Mostly sunny Thursday morning and building clouds by afternoon with a few scattered late day thunderstorms.
BUTTE: LOW: 49°; HIGH THURSDAY: 77°. Mostly cloudy with an isolated early evening thunderstorm. Partly cloudy Thursday with scattered afternoon to early evening thunderstorms. Some storms could produce brief heavy rain, small hail, frequent lightning, and gusty winds.
DILLON: LOW: 49°; HIGH THURSDAY: 78°. Scattered thunderstorms are likely Wednesday afternoon and early evening for Dillon. Most storms will diminish after sunset but more afternoon to early evening thunderstorms are likely Thursday.
WEST YELLOWSTONE: LOW: 37°; HIGH THURSDAY: 71°. Mostly cloudy with an isolated afternoon thunderstorm for West Yellowstone. Thursday look for scattered afternoon to early evening thunderstorms some could produce brief heavy rain, small hail, frequent lightning, and gusty winds.