Ed McIntosh

Mainly quiet late-summer weather is ahead, with only spotty mountain storms through midweek. Rain chances increase Thursday. A cooler, wetter, and more active pattern develops heading into the weekend and early September.

A warmup for southwest Montana through mid-week, with daily chances for isolated thunderstorms near the mountains. More widespread showers and storms arrives Thursday. Cooler, breezier, and more unsettled weather for the weekend.

BILLINGS — Warm temperatures will build through Thursday across Billings, south central and southeast Montana, and northern Wyoming before a wetter, cooler pattern arrives for the end of the week. Thunderstorm chances increase Thursday, with a few stronger storms possible, followed by a more active period Friday and Saturday.

BILLINGS — A warm and mostly dry stretch continues, but increasing moisture and an approaching trough will bring thunderstorm chances Thursday and remain through early next week, along with cooler temperatures.

BILLINGS — Daily thunderstorm chances return beginning Tuesday, but forecast confidence decreases later in the week as a large Pacific Northwest storm system evolves.

A cool start to the week gives way to a more active pattern across Southwest Montana. A dry and seasonable Monday before showers, thunderstorms, and increasing winds return through the middle of the week.

BUTTE — A cool start to the week gives way to a more active pattern across Southwest Montana. Butte, Bozeman, Dillon, Ennis, and surrounding communities will enjoy a dry and seasonable Monday before showers, thunderstorms, and increasing winds return through the middle of the week.

BILLINGS — A cool start to the week will give way to a warmer and somewhat more unsettled pattern across Billings, south central and southeast Montana, and northern Wyoming. Temperatures rebound into the 80s and lower 90s by midweek, while periodic chances for showers and thunderstorms return beginning Tuesday.

A warm and mostly quiet start to September gives way to increasing chances for showers and thunderstorms along with strong winds by midweek, followed by cooler and unsettled weather heading into the weekend.

BILLINGS — Billings and surrounding communities can expect near normal temperatures early in the week, followed by daily chances for showers and thunderstorms, with stronger storms capable of producing gusty winds. Conditions remain somewhat uncertain heading into the Labor Day weekend.