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Reports on US 20
US 20

Between US 95 (near Parma) and I-84 (near Caldwell). Expect dry pavements. Cloudy skies. Be ready for patchy fog.

Forecast Weather:

Last updated today at 5:41am MST

Between I-84 (Caldwell) and I-184 (Boise). Expect dry pavements. Cloudy skies. Be ready for patchy fog.

Forecast Weather:

Last updated today at 5:41am MST

Between I-84; ID 51 (Mountain Home) and Cat Creek Summit (26 miles west of the Fairfield area). Expect dry pavements. Cloudy skies. Be ready for patchy fog.

Forecast Weather:

Last updated today at 5:41am MST

Between I-84; ID 51 and Immigrant Road (7 miles east of the Mountain Home area). A Dense Fog Advisory is in effect. Clearing this few hours.

Dense Fog Advisory issued December 4 at 9:59PM MST until December 5 at 11:00AM MST by NWS Boise ID

* WHAT...For the Air Stagnation Advisory, an extended period of stagnant air, with light winds and little vertical mixing. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Portions of southeast Oregon and southwest and west central Idaho. * WHEN...For the Air Stagnation Advisory, until 2 PM MST /1 PM PST/ Friday. For the Dense Fog Advisory, until 11 AM MST /10 AM PST/ Thursday. * IMPACTS...Hazardous driving conditions due to low visibility. Periods of air stagnation can lead to the buildup of pollutants near the surface.

Full NWS alert

Last updated yesterday at 9:59pm MST

Between Cat Creek Summit (26 miles west of the Fairfield area) and First Street West (Fairfield). Expect dry pavements. Be ready for patchy fog.

Forecast Weather: Patchy Fog. Wind gusts of up to 7 mph are expected.

Last updated today at 5:46am MST

Between First Street West (Fairfield) and ID 75 (16 miles west of the Carey area). Expect dry pavements. Be ready for patchy fog.

Forecast Weather: Patchy Fog. Wind gusts of up to 9 mph are expected.

Last updated today at 5:46am MST

Between ID 75 (16 miles west of the Carey area) and Blizzard Mountain Road (15 miles east of the Carey area). Expect dry pavements. Cloudy skies.

Forecast Weather:

Last updated today at 6:45am MST

Between Lava Lake Road (15 miles east of the Carey area) and Van Buren Boulevard (13 miles east of the Butte City area). Expect dry pavements. Weather conditions clear.

Forecast Weather:

Last updated today at 6:25am MST

Between Van Buren Boulevard (13 miles east of the Butte City area) and I-15; I-15B (Idaho Falls). The road is wet. Cloudy skies.

Forecast Weather:

Last updated yesterday at 1:21pm MST

Between I-15 (Idaho Falls) and The South Fork Teton River Bridge (Rexburg). Expect dry pavements. Weather conditions clear.

Forecast Weather:

Last updated today at 6:20am MST

Between ID 33 (Rexburg) and The South Ashton City Limits (6 miles west of the Ashton area). Expect dry pavements. Weather conditions clear.

Forecast Weather: Mostly cloudy. Wind gusts of up to 9 mph are expected.

Last updated today at 6:23am MST

Between The South Ashton City Limits (6 miles west of the Ashton area) and Box Canyon Campground Road (near Island Park). Expect dry pavements. Cloudy skies. Be ready for patchy fog.

Forecast Weather:

Last updated today at 6:23am MST

Between Recreational Access Road and The Montana State Line (3 miles east of the Island Park area). Expect dry pavements. Weather conditions clear.

Forecast Weather:

Last updated today at 6:23am MST