Hydrologic Outlook issued February 23 at 1:56PM MST by NWS Pocatello ID
ESFPIH Temperatures will continue to warm into early next week, increasing low elevation snowmelt and runoff, potentially leading to minor lowland flooding. Locations most prone to rapid snowmelt include areas below 6000 ft across the Eastern Magic Valley, Lower Snake Plain, and South Hills, where snow pack still exists. In these areas, the increased runoff on top of frozen or saturated ground may lead to ponding of water or sheet flooding in low lying or poor drainage areas, along with rises on small streams and creeks. These warming temperatures will peak on Monday, with afternoon highs reaching the 50s across
Winter Weather Advisory issued February 19 at 1:56PM EST until February 21 at 7:00AM EST by NWS Pittsburgh PA
* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 40 mph. * WHERE...Portions of southwest and western Pennsylvania and northern West Virginia. * WHEN...From 4 AM Thursday to 7 AM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes.
Winter Storm Warning issued February 13 at 1:56PM MST until February 14 at 5:00PM MST by NWS Pocatello ID
* WHAT...Mixed precipitation expected, including periods of moderate to heavy snow. Total snow accumulations between 4 to 8 inches will be common, with closer to 12 inches across the INL, Craters of the Moon, and Shoshone Lava Beds. Lower amounts possible closer to I-84 and 86 across the Magic Valley. A light glaze of ice due to freezing rain is expected. Winds gusting as high as 35 mph. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...Until 5 PM MST Friday. * IMPACTS...Travel could be very difficult. Areas of
Winter Weather Advisory issued February 13 at 1:56PM MST until February 14 at 5:00PM MST by NWS Pocatello ID
* WHAT...Mixed precipitation expected. Total snow accumulations up to 6 inches...with higher amounts on peaks and ridges. A light glaze of ice due to freezing rain is expected for lower elevations. Winds gusting as high as 45 mph. * WHERE...Raft River Region and Southern Hills/Albion Mountains. * WHEN...Until 5 PM MST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
Winter Storm Warning issued February 12 at 1:56PM MST until February 14 at 11:00AM MST by NWS Boise ID
* WHAT...Heavy snow expected. Total snow accumulations between 2 and 10 inches. Winds gusting as high as 45 mph, along and near the Snake River. Blowing snow a strong possibility. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. Highest snowfall amounts across northern Harney/Malheur counties in Oregon, the lower Treasure Valley of Oregon/Idaho, and the Weiser Basin. * WHEN...From 5 AM MST /4 AM PST/ Thursday to 11 AM MST /10 AM PST/ Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile
Winter Weather Advisory issued February 12 at 1:56PM MST until February 14 at 11:00AM MST by NWS Boise ID
* WHAT...Snow expected. Total snow accumulations 6 to 10 inches in the mountains, with 2 and 4 inches in the Southwest Highlands. * WHERE...Southwest Highlands, Boise Mountains, and West Central Mountains. * WHEN...From 5 AM Thursday to 11 AM MST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility.
Cold Weather Advisory issued February 10 at 1:56PM MST until February 13 at 10:00AM MST by NWS Boise ID
* WHAT...Very cold temperatures as low as 25 below zero in the higher Idaho basins, 15 below zero in eastern Oregon, 5 below zero in the Idaho valleys. Wednesday morning will be the coldest period. * WHERE...All of southeast Oregon and southwest Idaho. * WHEN...Until 10 AM MST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.
Extreme Cold Warning issued February 10 at 1:56PM MST until February 13 at 10:00AM MST by NWS Boise ID
* WHAT...Dangerously cold temperatures as low as 30 below zero. Wednesday and Thursday mornings will be the coldest periods. * WHERE...Camas Prairie. * WHEN...Until 10 AM MST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.Frostbite and hypothermia.
Cold Weather Advisory issued February 10 at 1:56PM PST until February 11 at 9:00AM PST by NWS Eureka CA
* WHAT...Very cold wind chills from 22 to 29 degrees expected. * WHERE...Del Norte, Humboldt, and Mendocino Coast, Southern Mendocino Interior, and Southern Lake. * WHEN...From 2 AM to 9 AM PST Tuesday. * IMPACTS...Wind chill values, along with very cold temperatures, can lead to hypothermia with prolonged exposure.
Extreme Cold Warning issued February 9 at 1:56PM MST until February 11 at 11:00AM MST by NWS Great Falls MT
* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 30 below expected. For the Extreme Cold Warning, dangerously cold wind chills as low as 45 below expected. * WHERE...Eastern Glacier, Western Toole, and Central Pondera Counties, Eastern Toole and Liberty Counties, and Northern High Plains. * WHEN...For the Cold Weather Advisory, from 2 AM to 5 PM MST Monday. For the Extreme Cold Warning, from 6 PM Monday to 11 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 45 below zero could cause frostbite on exposed skin in as little as 10