Boise drivers should prepare for a slick commute Tuesday morning as rain and thunderstorms move into southwest Idaho. Conditions may slow traffic along I-84 during peak travel hours, raising concerns for reduced visibility and wet pavement.
According to the National Weather Service in Boise, a strong system pushes into the region late Monday night with showers becoming widespread by daybreak Tuesday. Rain chances rise to 90% overnight Monday, with embedded thunderstorms possible through Tuesday morning. Forecasters warn of brief heavy downpours and wind gusts that could impact morning commutes across Ada and Canyon counties.
Temperatures will dip as the system arrives. Highs on Monday hold near 75, but Tuesday drops into the lower 70s under mostly cloudy skies. Rain chances taper to 20% Tuesday night, giving residents a brief break before another round of showers may return midweek.
October begins on a cooler note Wednesday with partly sunny skies and highs around 72. While drier air arrives midweek, forecasters still expect scattered showers through Thursday and Friday, keeping the region in an unsettled pattern.
Residents should keep phones charged for potential weather alerts and plan extra travel time Tuesday morning. Those driving through higher terrain toward Idaho City or McCall should expect slick roads and visibility drops.
Showers linger at times through the workweek, but conditions gradually improve into the weekend with cooler, fall-like temperatures.
Five Day Forecast for Boise, Idaho
- Monday: High 75, showers developing late, 50% chance of rain.
- Tuesday: High 73, rain and thunderstorms likely, 90% chance morning, easing by afternoon.
- Wednesday: High 72, partly sunny, slight chance of showers.
- Thursday: High 68, scattered showers, 20% chance.
- Friday: High 65, partly sunny with a 30% chance of rain.
