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Boise touches 101° on Monday; find out when we can expect a cooldown

Scott Dorval's Idaho News 6 Forecast - Monday 9/1/25
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and last updated

Boise touched 101° on Monday, falling just one degree shy of the record high set in 1947. Another 100°- day is possible on Tuesday, but changes are in my extended forecast.

Tonight
Partly cloudy, with a low around 68. Calm wind.

Tuesday
Sunny and hot, with a high near 100. Light wind.

Wednesday
Mostly sunny and not quite as hot, with a high near 96. Light wind.

Thursday
Sunny and hot, with a high near 95.

Friday
Mostly sunny and not as hot, with a high near 92.

Friday Night
Partly cloudy, with a low around 64.

Saturday
Becoming variably cloudy with a 30 percent chance of showers. Cooler, with a high near 87.

Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.

Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 86.

Monday
A 20 percent chance of showers. Mostly sunny & cooler (seasonable), with a high near 82.

Stay connected right here for updates on the possibility of heavy showers & storms on Saturday!

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