Idaho Transportation Department Logo Idaho Transportation Department   Highway Info
ID 21: Highland Valley Summit
5 miles north of the Boise area
Halt Image Cycling
Southbound
Last updated today at 5:23pm MST
 
ID 21 in both directions: Wet pavement.
Between Lucky Peak Dam Road and Robie Creek Road (2 to 13 miles north of the Boise area). The road is wet. Expect rain. Look out for large animals on the roadway. There is danger of a rock fall.
Last updated today at 6:11am MST
ID 21: Dense Fog Advisory.
Between I-84 (Boise) and Robie Creek Road (9 miles north of the Boise area). A Dense Fog Advisory is in effect. Until tomorrow at about 8:00AM MST.

Web Comment: Dense Fog Advisory issued December 10 at 2:11PM MST until December 11 at 8:00AM MST by NWS

...DENSE FOG WILL CONTINUE THROUGH TOMORROW MORNING... .DENSE FOG HAS DEVELOPED IN THE IDAHO TREASURE VALLEY TODAY AND IS EXPECTED TO BECOME MORE WIDESPREAD TONIGHT.

Full NWS alert
Last updated today at 2:12pm MST
ID 21: Highland Valley Summit
Maximum Elevation 3766 feet
Maximum Grade 6.5%
32 °F
Precip (Yes/No) No
Surface Status Error
Visibility 0.1 miles
Wind Speed (avg) 2.2 mph
Wind Speed (gust) 3.8 mph
More Data Last updated today at 5:22pm MST
Disclaimer