Boise Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Boise.

Use the Radar Maps link provided to understand the trajectory of a storm.

Flood Advisory issued November 22 at 8:08PM PST until November 23 at 12:00PM PST by NWS Spokane WA

* WHAT...Burn scar flooding and rockslides. * WHERE...Portions of North and North Central Idaho, including the following counties, in North Idaho, Latah. In North Central Idaho, Nez Perce. * WHEN...Until noon PST Saturday. * IMPACTS...Small streams will experience increased flows. Motorists should drive with caution. There may be some rocks and mud on State Route 3 south of Julietta and on US 12 between Spalding and Lenore. * ADDITIONAL DETAILS... - At 745 PM PST, radar detected a band of rain that will produce periods of moderate rain over the Idaho Panhandle Friday night into Saturday. - Rain this week has caused steep and rocky terrain to become unstable. An additional 0.5 to 1 inch of rain is expected Friday night into Saturday heightening the threat of additional mud and rock slides. - Some locations that will experience flooding include... Areas within and near the area burned by the Gwen Fire, Portions of Highway 3 between Julietta and Spalding, Portions of Highway 12 between Spalding and Lenore. - http://www.weather.gov/safety/flood

Winter Storm Warning issued November 22 at 2:52PM MST until November 23 at 11:00PM MST by NWS Pocatello ID

* WHAT...Moderate to heavy snow expected. Total snow accumulations of 8 to 16 inches above 7000 feet and 4 to 8 inches below 7000 feet. * WHERE...Big Lost Highlands/Copper Basin, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From 11 PM this evening to 11 PM MST Saturday. * IMPACTS...Travel could be very difficult.

Winter Weather Advisory issued November 22 at 2:52PM MST until November 23 at 11:00PM MST by NWS Pocatello ID

* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches above 8000 feet and 2 to 5 inches below 8000 feet. * WHERE...Frank Church Wilderness and Lost River Range. * WHEN...From 11 PM this evening to 11 PM MST Saturday. * IMPACTS...Plan on slippery road conditions.

Winter Weather Advisory issued November 22 at 2:52PM MST until November 24 at 5:00PM MST by NWS Pocatello ID

* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches above 7000 feet and 2 to 4 inches below 7000 feet. * WHERE...Bear River Range. * WHEN...From 11 AM Saturday to 5 PM MST Sunday. * IMPACTS...Plan on slippery road conditions.

Winter Weather Advisory issued November 22 at 2:52PM MST until November 24 at 5:00PM MST by NWS Pocatello ID

* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches above 7000 feet and 2 to 5 inches below 7000 feet. * WHERE...Centennial Mountains - Island Park. * WHEN...From 5 AM Saturday to 5 PM MST Sunday. * IMPACTS...Plan on slippery road conditions.