River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

BOULDER MOUNTAIN (BOMM8)

Lat: 46.5596° N Lon: 111.28973° W Elev: 7950.0 ft.

NA

36°F

2°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint NA
Visibility NA
Last update NA
Detailed forecast for

Big Belt, Bridger and Castle Mountains

Tonight
Clear. Lows around 30. South winds up to 10 mph with gusts to around 25 mph.
Thursday
Mostly sunny. Highs 40 to 46. Southwest winds up to 10 mph with gusts to around 30 mph.
Thursday Night
Mostly cloudy in the evening then clearing. Lows in the upper 20s. Southwest winds up to 10 mph with gusts to around 35 mph.
Friday
Sunny. Highs 40 to 46. Southwest winds 5 to 15 mph with gusts to around 45 mph.
Friday Night
Partly cloudy. Lows in the lower 30s. Southwest winds 5 to 15 mph with gusts to around 60 mph.
Saturday
Mostly sunny. Highs 46 to 52.
Saturday Night
Mostly clear. Lows in the mid 30s.
Sunday
Mostly sunny. Highs 49 to 57.
Sunday Night Through Monday Night
Mostly cloudy. Lows in the mid 30s. Highs 45 to 51.
Tuesday Through Veterans Day
Partly cloudy. Highs 47 to 53. Lows in the upper 30s.



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336 PM MST Wed Nov 4 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database