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Home Return to list Winter Weather Advisory 0011 Issued by the Boise Forecast Office
Action: New Issued At: 2025-12-04 14:41:58 375 WWUS45 KBOI 042041 WSWBOI URGENT - WINTER WEATHER MESSAGE National Weather Service Boise ID 141 PM MST Thu Dec 4 2025 IDZ011-013-051000- /O.NEW.KBOI.WW.Y.0011.251205T0000Z-251206T0600Z/ West Central Mountains-Boise Mountains- Including the cities of Big Creek, Ola, Cuprum, Anderson Dam, Prairie, McCall, Pine, Bear, Cascade, and Warm Lake 141 PM MST Thu Dec 4 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulation 1-5 inches below 5000 feet, 4-8 above 5000 feet, with up to 8-12 inches in high elevation passes and summits. Snow levels rise Friday, mountain towns could see a switch from snow to rain. Gusts increase to 20-30 mph Friday night. * WHERE...Boise Mountains and West Central Mountains. * WHEN...From 5 PM this afternoon to 11 PM MST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Locally heavy snowfall will limit visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ JM Action: Continued Issued At: 2025-12-05 03:02:46 251 WWUS45 KBOI 050902 WSWBOI URGENT - WINTER WEATHER MESSAGE National Weather Service Boise ID 202 AM MST Fri Dec 5 2025 IDZ011-013-052200- /O.CON.KBOI.WW.Y.0011.000000T0000Z-251206T0600Z/ West Central Mountains-Boise Mountains- Including the cities of Big Creek, McCall, Cascade, Warm Lake, Bear, Ola, Cuprum, Anderson Dam, Pine, and Prairie 202 AM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST FRIDAY... * WHAT...Snow. Additional snow accumulations of up to 3 inches in mountain valleys before mixing with or changing to rain this afternoon. An additional 4 to 8 inches in the mountains above 6000 feet. Wind gusts of 30 to 40 mph develop later this evening over higher mountains. * WHERE...West Central Mountains and Boise Mountains zones. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult, especially over higher elevation passes. Locally heavy snowfall will limit visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ For more information from the National Weather Service visit weather.gov/boise Action: Continued Issued At: 2025-12-05 05:22:07 387 WWUS45 KBOI 051121 WSWBOI URGENT - WINTER WEATHER MESSAGE National Weather Service Boise ID 421 AM MST Fri Dec 5 2025 IDZ011-013-052200- /O.CON.KBOI.WW.Y.0011.000000T0000Z-251206T0600Z/ West Central Mountains-Boise Mountains- Including the cities of Big Creek, McCall, Prairie, Pine, Bear, Cuprum, Warm Lake, Cascade, Ola, and Anderson Dam 421 AM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to 3 inches in mountain valleys before mixing with or changing to rain this afternoon. An additional 4 to 8 inches in the mountains above 6000 feet. Wind gusts of 30 to 40 mph develop later this evening over higher mountains. * WHERE...Boise Mountains and West Central Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult, especially over higher elevation passes. Locally heavy snowfall will limit visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Action: Continued Issued At: 2025-12-05 13:14:21 546 WWUS45 KBOI 051914 WSWBOI URGENT - WINTER WEATHER MESSAGE National Weather Service Boise ID 1214 PM MST Fri Dec 5 2025 IDZ011-013-060600- /O.CON.KBOI.WW.Y.0011.000000T0000Z-251206T0600Z/ West Central Mountains-Boise Mountains- Including the cities of Prairie, Big Creek, Cuprum, Anderson Dam, Warm Lake, Bear, Ola, McCall, Pine, and Cascade 1214 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow accumulations up to 2 inches in mountain valleys before mixing with or changing to rain this afternoon. An additional 4 to 8 inches in the mountains above 6000 feet including high elevation passes. Wind gusts of 30 to 40 mph develop later this evening over mountains. * WHERE...Boise Mountains and West Central Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult, especially over higher elevation passes. Locally heavy snowfall will limit visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ JM Action: Expired Issued At: 2025-12-05 23:31:36 653 WWUS45 KBOI 060531 WSWBOI URGENT - WINTER WEATHER MESSAGE National Weather Service Boise ID 1031 PM MST Fri Dec 5 2025 IDZ011-013-060645- /O.EXP.KBOI.WW.Y.0011.000000T0000Z-251206T0600Z/ West Central Mountains-Boise Mountains- Including the cities of Bear, McCall, Prairie, Big Creek, Pine, Cuprum, Cascade, Ola, Anderson Dam, and Warm Lake 1031 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING... A few snow showers remain this evening but will produce little to no additional snowfall so the advisory will be allowed to expire. $$ JDS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||