Caldwell, ID 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 Caldwell.

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

Winter Weather Advisory issued December 14 at 11:45AM MST until December 15 at 11:00AM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 3 inches of snow is 100 percent, and 3 to 6 inches of snow is 90 percent. * WHERE...Pierce, Highway 11 Pierce to Headquarters, and Elk River. * WHEN...From 4 PM this afternoon to 10 AM PST Sunday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.

Winter Weather Advisory issued December 14 at 11:45AM MST until December 15 at 11:00AM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 3 inches of snow is 100 percent, and 3 to 6 inches of snow is 90 percent. * WHERE...Dixie, Highway 93 Sula to Lost Trail Pass, Elk City, Lolo Pass, and Highway 12 Lowell to Lolo Pass. * WHEN...From 5 PM MST /4 PM PST/ this afternoon to 11 AM MST /10 AM PST/ Sunday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.

Winter Weather Advisory issued December 14 at 11:45AM MST until December 15 at 11:00AM MST by NWS Missoula MT

* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 3 inches of snow is 100 percent, and 3 to 6 inches of snow is 50 percent. * WHERE...Lemhi Pass, Shoup, Williams Creek Summit, Highway 28 Tendoy to Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Bannock Pass. * WHEN...From 11 PM this evening to 11 AM MST Sunday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.

Avalanche Warning issued December 14 at 6:49AM MST by NWS Pocatello ID

AVWPIH * WHAT...Avalanche warning. The avalanche danger is HIGH. Very dangerous avalanche conditions exist. * WHERE...The White Cloud, Smoky, Boulder, Pioneer, and Soldier Mountains, including the mountains surrounding Smiley Creek, Atlanta, Galena Summit, Trail Creek Summit, and Fairfield. The backcountry avalanche warning does not apply to highway avalanche programs or operating ski areas. * WHEN...In effect Sat 7 AM MST to SUN 6 AM MST. * IMPACTS...An intense storm bringing heavy snow and strong winds will overload a very weak snowpack. Natural and human-triggered avalanches large enough to bury people are almost certain to occur. Some avalanches will be large enough to destroy a house.

Avalanche Warning issued December 14 at 6:42AM MST by NWS Boise ID

The following message is transmitted at the request of the Forest Service Sawtooth Avalanche Center. ...The Forest Service Sawtooth Avalanche Center in Ketchum Idaho has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...The avalanche danger is HIGH. The combination of heavy snowfall and strong winds are overloading a weak snowpack. * WHERE...The southern Salmon River Mountains, Sawtooths, White Clouds, Smokys, Western Smokys, Boulders, Pioneers, and Soldiers including the mountains above the Wood River Valley and near Banner Summit, Atlanta, Stanley, Smiley Creek, Ketchum, Hailey, Bellevue, Carey, Fairfield, Galena Summit, and Trail Creek Summit. * WHEN...In effect from Sat 06:00 MST to Sun 06:00 MST. * IMPACTS...An intense storm bringing heavy snow and strong winds will overload a very weak snowpack. Natural and human- triggered avalanches large enough to bury people are almost certain to occur. Some avalaches will be large enough to destroy a house.

Winter Weather Advisory issued December 14 at 5:57AM MST until December 15 at 5:00AM MST by NWS Pocatello ID

* WHAT...Snow. Accumulations near Carey and northward 4 to 8 inches. South of Richfield around 1 inch. The lost River Range 8 to 12 inches. Winds gusting as high as 40 mph. * WHERE...Lost River Range and Shoshone/Lava Beds. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible.

Winter Storm Warning issued December 14 at 5:57AM MST until December 15 at 5:00AM MST by NWS Pocatello ID

* WHAT...Heavy snow. Additional snow accumulations between 10 and 21 inches above 7 thousand feet and 6 to 12 inches below 7 thousand feet. Winds gusting as high as 35 mph. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Lost River Valley, Sawtooth/Stanley Basin, Sun Valley Region, Wood River Foothills, Beaverhead - Lemhi Highlands, and Arco/Mud Lake Desert. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible.

Winter Weather Advisory issued December 14 at 5:57AM MST until December 15 at 11:00AM MST by NWS Pocatello ID

* WHAT...Snow expected. Total snow accumulations between 2 and 9 inches. Winds gusting as high as 50 mph. * WHERE...Blackfoot Mountains and Upper Snake River Plain. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches.

Winter Storm Warning issued December 14 at 5:57AM MST until December 15 at 5:00PM MST by NWS Pocatello ID

* WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches below 7 thousand feet and between 10 and 15 inches above 7 thousand feet. Winds gusting as high as 45 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, Teton Valley, Bear River Range, and Caribou Range. * WHEN...Until 5 PM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds could bring down tree branches.

Avalanche Advisory issued December 14 at 5:37AM MST by NWS Pocatello ID

SABPIH THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE FOREST SERVICE UTAH AVALANCHE CENTER. THE FOREST SERVICE UTAH AVALANCHE CENTER HAS ISSUED A SPECIAL AVALANCHE BULLETIN FOR THE FOLLOWING AREAS: * WHAT...HEAVY SNOWFALL AND DRIFTING BY STRONG WINDS WILL CAUSE DANGEROUS AVALANCHE CONDITIONS TO DEVELOP THIS WEEKEND IN THE MOUNTAINS OF NORTHERN UTAH AND SOUTHEASTERN IDAHO. * WHERE...FOR THE MOUNTAINS OF NORTHERN UTAH AND SOUTHEASTERN UTAH INCLUDING THE WASATCH RANGE...BEAR RIVER RANGE AND WESTERN UINTA MOUNTAINS. * WHEN...6 AM MST SATURDAY THROUGH 6 AM MST MONDAY MORNING. * IMPACTS...PRE-EXISTING, WEAK, FACETED SNOW IS WIDESPREAD ON NORTHERLY-FACING SLOPES AT UPPER AND MID ELEVATIONS, AND DANGEROUS AVALANCHE CONDITIONS WILL DEVELOP ON MANY SLOPES. PEOPLE ARE LIKELY TO TRIGGER AVALANCHES BY BEING ON OR BELOW SLOPES STEEPER THAN 30 DEGREES. AVALANCHES COULD BE TRIGGERED REMOTELY (FROM A DISTANCE) OR FROM BELOW. FOR UPDATED AVALANCHE INFORMATION, TO TO WWW.UTAHAVALANCHECENTER.ORG

Winter Weather Advisory issued December 14 at 2:42AM MST until December 15 at 5:00AM MST by NWS Boise ID

* WHAT...Snow expected. Total snow accumulations 4 to 6 inches in mountain valleys above 4,500 feet. Mountains above 6,000 feet will see 1 to 2 feet of snow through Sunday morning. * WHERE...Camas Prairie, Boise Mountains, and West Central Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.