Patchy fog overnight, warmer for Thursday; stormy for Halloween

We'll see some patchy fog overnight for valleys around Idaho and Wyoming as temperatures will drop to the mid 20's. Heading into Thursday, we're seeing more of a southwest flow to our weather, allowing for highs returning to the 50's. Low-pressure over the Pacific northwest, starts to move in Friday, leading to a stormy weekend.

For Thursday, there will be areas of fog before 9am. Otherwise, increasing clouds, with a high temperature in the mid to lower 50's for the Snake River Plain. Light winds around 5 mph in the afternoon.

Partly sunny to start out for Friday morning. Increasing clouds for the afternoon and evening with a chance of rain late. High temperatures will be in the upper 50's, with winds around 5-10 mph. For Friday night there is a 40% chance of rain after midnight. Areas of fog after midnight. Otherwise, mostly cloudy, with a low temperature around the mid 30's.

For Saturday, rain is likely before noon with showers and thunderstorms for the afternoon. High temperatures will reach the lower 50's with gusty winds around 15 mph. The chance of precipitation is 60%.

More scattered rain and snow showers are expected for Sunday. Temperatures will be colder with highs in the upper 40's.