Boise, ID – Residents in the Treasure Valley should prepare for changing weather patterns this week, with showers and thunderstorms expected to bring travel disruptions by Friday before clearer skies arrive over the weekend.
According to the National Weather Service in Boise, a chance of showers will develop Thursday, with thunderstorms possible late in the evening. Rain chances increase sharply into Friday, October 3, 2025, when showers and thunderstorms are likely, particularly after noon. Areas of fog are also expected overnight, potentially impacting morning commuters.
Forecasters warn that rainfall amounts between a quarter and half an inch are possible, with some storms capable of producing higher amounts. Winds could shift northwest at 5 to 9 mph during the day Friday, adding to changing road conditions.
Conditions are expected to improve by Saturday, when skies turn mostly sunny with a high near 64°F. Sunday will remain clear and mild, with highs in the lower 60s, providing a more favorable setting for outdoor activities.
Looking ahead, the early part of next week should stay calm, with overnight lows in the 40s and daytime highs reaching the mid-60s by Tuesday.