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Radar and live pavement conditions on the 74 miles of I-90 in Idaho — plus closures, road work and city-by-city weather across the state.
Updated Sep 15, 2026 1:18 AM UTC · Mostly dry
Lowest 54°F near Coeur d'Alene, Idaho · Highest wind 6 mph near Coeur d'Alene, Idaho
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I-90 runs 74 miles across Idaho. The high crossing on this stretch is Lookout Pass at 4,711 ft, which is where winter closes it first.
Weather data from Sep 15, 2026 1:18 AM UTC
I-90 crosses 74 miles of Idaho, between the Montana line and the Washington line. That is 2% of I-90's 3,020 miles.
By mile marker, I-90 passes Coeur d'Alene 13. It is the only city on this stretch that the mileposts name.
It carries Lookout Pass at 4,711 ft, where the weather at the summit is not the weather on the approach.
3 current reports along the route. Always check with the responsible state DOT before setting off.
Major Bridge construction on I-90 Eastbound from MM (39) to MM (41). 1 Left lane closed. 3/2/2026 7:00 AM to 11/2/2026 6:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft 6in Speed Restriction: 45mph Activities: Mandatory Speed Limit in Force.
Major Bridge construction on I-90 Westbound from MM (39) to MM (41). 1 Right lane closed. 3/2/2026 7:00 AM to 11/2/2026 6:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft 6in Length Restriction: 110ft Speed Restriction: 45mph Activities: Mandatory Speed Limit in Force.
Bridge construction on I-90 Eastbound from MM (20) to MM (21). 9/8/2026 8:00 AM PT to 11/6/2026 8:00 AM PT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 14ft
From Post Falls to Osburn, with the position of each town measured along this stretch itself — counted from the Post Falls end, not from a state milepost, so it will not match the numbers on the signs.
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Sep 14, 2026 12:02 PM UTC
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