A sharp transition in the weather comes with a cold front.
Temperatures today have been comfortable, with readings at or little warmer than average for this time of year.
Humidity is very low across the region and winds have generally been light.
As a cold front moves through from the Pacific Northwest, it’ll bring cooler air from British Columbia. As the hot dry air moves in place, winds are the biggest threat by Sunday afternoon and evening across Eastern Montana and northern Wyoming. A few isolated showers and thunderstorms could develop especially late Sunday into Monday.
Monday will be noticeably cooler across the area with a mix of clouds and sunshine. A general warm-up will follow with highs moving back up to around seasonal averages are warmer by the end of the work week.
Tonight… Clear to mostly clear with a low around 60.
Sunday… Sunny and hot to start with a high of about 93. Winds will increase in the afternoon 15 to 25 mph.
Sunday night in Monday… Slight chance of showers and thunderstorms late Sunday through Monday. Windy periods Sunday night will decrease Monday. Overnight low near 59, with an afternoon high of about 77.