Todays weather in Boise Idaho - Friday - 22 May 2026

(00:00:00) Todays weather in Boise Idaho - Friday - 22 May 2026 (00:00:34) Monday Commute and Rain Prep (00:01:04) Tuesday Cool Down Hits Hard (00:01:31) Wednesday Cold Snap Details (00:01:51) Thursday Rebound Unclear (00:02:08) Boise Weekly Takeaway Rain is on the way for Boise, and this episode breaks down everything you need to know before the week turns wet.Thursday the 21st is actually a pleasant day — highs near 25 degrees, light winds, no issues. Enjoy it while it lasts, because a southwest moisture system is pushing into the Treasure Valley and Monday is when it arrives. Light rain to start, but Tuesday ramps up fast with an 86 percent chance of showers. That is not a maybe — that is umbrella territory.For your Monday commute, expect slick roads after a dry stretch. Wet pavement catches drivers off guard, so give yourself extra time and wear a waterproof layer you can peel off if conditions stay mild. Temperatures Monday sit around 32 degrees — damp but not brutal.Tuesday is the turning point. Rain continues and the temperature drops to around 15 degrees by midday — a 17-degree swing in just two days. Winds averaging 14 kilometres per hour will make that chill feel sharper. Think hat, mid-layer, waterproof shell.Wednesday is the coldest day of the stretch, with highs only reaching 15 degrees and overnight lows near 5. There is still some forecast uncertainty around when Wednesday's showers clear, so check the updated forecast Tuesday evening before making outdoor plans.Thursday looks like a rebound, with temperatures trending warmer — though the exact recovery timing is still unclear. The bottom line for Boise this week: two nice days, then three days of rain and cold. Get the umbrella out Sunday night.This episode includes AI-generated content.