The 10-day span for Big Timber runs from a high near 93° on Thursday down to 50° overnight on Monday. Models drop roughly 0.23 in of precipitation across the stretch — watch Thursday (64%). Hold onto the patio furniture Thursday: gusts could hit 43 mph. The NWS alert board for this area is currently clear. Right now Big Timber is about 12° cooler than nearby Rexburg. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Big Timber, MT · Elev 4,091 ft · 45.83°N, 109.96°W · Montana · Forecast computed for these exact coordinates