Over the next 10 days Lewistown tops out around 93° (Thursday) and dips to 56° on the coolest night (Friday). Models drop roughly 0.14 in of precipitation across the stretch — watch Saturday (59%). Expect a blustery spell — gusts near 27 mph on Saturday. No watches or warnings are active for the area right now. Right now Lewistown is about 34° cooler than nearby Billings. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Lewistown, MT · Elev 3,947 ft · 47.06°N, 109.43°W · Montana · Forecast computed for these exact coordinates