 Highs today, 60s to 70s close to the mountains, 70s to mid-80s in the lower elevations. Northeastern Montana into North Dakota, 70s to low 80s in sunshine. By this evening, a risk of a stray shower or thunderstorm, but more active tomorrow. Southern Montana, northern Wyoming into South Dakota, mostly sunny today with highs in the 80s to even 90s. A chance of showers and thunderstorms this afternoon and this evening.