Boise, Idaho – Weekend plans in Idaho may be washed out as showers return to Boise late Friday, bringing a 70% chance of steady rain into Saturday night.
According to the National Weather Service, a system moving into the Treasure Valley will bring the first significant rain since early May. Showers are expected to begin Friday afternoon and intensify Saturday evening. Motorists using Interstate 84 should prepare for slick roadways and slower travel, especially during the Saturday evening drive.
Friday will begin partly sunny, with a high near 66°F and west winds around 7 mph. The chance of rain climbs to 20% Friday afternoon, with moisture increasing into the weekend. Saturday brings a 60% chance of rain by midday and 70% by nightfall, with lows near 45°F. Umbrellas and waterproof layers are recommended for any weekend outings.
Sunday stays unsettled, with a 50% chance of showers and a high around 59°F — a notable drop from Thursday’s sunny 68°F. The cooler trend continues into early next week.
Extended Spring Weather Outlook for Boise:
- Thursday: Sunny and calm, high of 68°F.
- Friday: Slight chance of afternoon showers, high 66°F.
- Saturday: Rain likely, high near 66°F.
- Sunday: Continued chance of rain, high 59°F.
- Monday: Mostly sunny, warming to 70°F.
