After another hot day, a significant change in the weather pattern digs in starting tomorrow. Expect noticeably cooler temperatures, and a very good chance of rain.

High temperatures will be into the 90s in most locations for today, but hottest readings East of Billings. Humidity will be low and winds will remain light during the day.

A few scattered to isolated showers or thunderstorms this evening. Otherwise, mostly cloudy with temperatures mainly in the 50s and 60s by early Thursday.

Expect about a 20° drop in high temperatures for tomorrow afternoon, with a readings mainly in the 70s. Showers and thunderstorms will become more frequent tomorrow afternoon and evening, with even cooler and wetter weather on the way for Friday.

Billings forecast:

Today… Mostly sunny, and around 94 for a high. A light wind with isolated showers or thunderstorms in the afternoon and evening.

Tonight… Scattered showers and thunderstorms increasing late this evening and overnight. Otherwise, mostly cloudy with a low near 62.

Thursday… Mostly cloudy, with an increasing chance of showers and thunderstorms as the day goes on. About 73 for a high.