Boise, Idaho – Boise drivers should prepare for a soggy commute Friday as unstable fall weather brings scattered showers and thunderstorms to the area, with the greatest impacts likely along I-84. The National Weather Service is monitoring storm development and warns of slick roadways, gusty winds, and a small chance of hail through early evening.
While skies are expected to clear by Saturday morning and the weekend warms into the low 80s, motorists and residents should remain cautious through September 15 as the atmosphere stays primed for isolated storms into next week.
Friday’s Commute and Immediate Storm Threat
Scattered showers and thunderstorms are forecast between late morning and 9 p.m. Friday across Ada County and the Boise metro area. Drivers along the I-84 corridor may encounter slick pavement during heavier bursts of rain; surface water and reduced visibility could make travel hazardous.
- Timing: Late morning to 9 p.m. Friday
- Primary impacts: Slick roads, brief heavy rain, possible gusty winds and small hail
- Areas at risk: Boise and surrounding Ada County, especially along I-84
“Scattered showers and thunderstorms are expected Friday between late morning and 9 p.m.” — National Weather Service
Timing, Temperatures and Weekend Outlook
Friday is expected to reach a high near 77°F before falling to about 55°F overnight. Conditions should improve Friday night with northwest winds up to 6 mph that will help dry roads by dawn.
Saturday turns sunny with highs near 80°F, and Sunday warms further to around 83°F — ideal for outdoor plans, farmers’ markets, and Broncos tailgates. Rain risk is minimal on both days.
Safety Tips for Drivers and Residents
Although overall rainfall totals look light, any embedded thunderstorm can bring hazardous conditions. Residents and commuters should follow these precautions:
- Slow down and increase following distance in heavy rain.
- Watch for standing water and hydroplaning on ramps and interchanges along I-84.
- Secure loose outdoor items ahead of Friday evening to prevent wind damage.
- Keep an eye on local advisories and be prepared for rapidly changing conditions.
Looking Ahead: Early-Week Return of Showers
A chance of showers returns Monday afternoon with isolated thunderstorms possible before the pattern clears by Tuesday. Expect highs to hold in the upper 70s to low 80s into midweek.
Key Takeaways
- Watch Friday: Late-morning to evening showers and thunderstorms.
- Drive with caution: Slick roads and reduced visibility, especially on I-84.
- Weekend relief: Sunny and warmer on Saturday and Sunday with lows risk for rain.
- Early-week: Showers possible Monday, clearing by Tuesday.
Stay tuned to local forecasts and advisories if you plan to travel Friday afternoon or evening, and adjust schedules as needed to avoid the worst of the storm cells.
What will you change about your commute or weekend plans in light of this forecast? Share your plans and tips in the comments below.