- Expect heavy snow and powerful winds in the Great Basin mountains, Rockies, and into the High Plains today. Heaviest snows in central and northeast WY and southeast MT. Much of NM will see winds gusting 45-55 mph.
- Severe thunderstorms developing over KS and OK later today may have damaging winds, large hail, and a couple of tornadoes.
— Portions of the CA southern Sacramento and northern San Joaquin Valleys: Wind Advisory through mid-afternoon. Gusts to 40 mph. I-5 impacted.
— Southern NV: Wind Advisory today. Gusts to 55 mph. I-15 impacted.
— Central and southeast ID, southern MT, extreme western SD, extreme southwest ND, most of WY, southwest and central UT, higher terrain of western CO: Winter Storm Warnings and Advisories through Wednesday morning. Hazardous conditions will end from west to east over the region. Lower elevations will see 4-8 inches snow and 8-24 inches in higher terrain and mountain passes. I-15, I-25, I-70, I-80, I-90, I-94 impacted.
— Northwest UT: Wind Advisory through this afternoon. Gusts to 50 mph. I-80, I-84 impacted.
— Eastern AZ: Wind Advisory through this afternoon. Gusts 50-55 mph. I-10, I-40 impacted.
— Southeast WY, southern NE Panhandle: High Wind Warning through Wednesday evening. Gusts to 60 mph. I-25, I-80 impacted.
— Southeast CO, mostly east of the Front Range and south of I-70: High Wind Warning through this evening. Gusts to 60 mph. I-25, I-70 impacted.
—NM (except northeast portion of the state), far-west TX, far-west OK Panhandle: High Wind Warnings and Advisories through this evening. Gusts 50-60 mph. I-10, I-20, I-25, I-40 impacted.
— Southern NE, central and western KS, central and western OK, northern TX: Severe weather likely developing this afternoon and evening. High winds, large hail and a couple of tornadoes all probable. I-35, I-40, I-70 potentially impacted.
— Central and northeast TX, mostly along and to the west of I-35: Flash Flood Watches Wednesday morning through Thursday evening. 2-5 inches of rain possible. I-10, I-20, I-30, I-35, I-45 potentially impacted.
— Portions of coastal SC, NC, VA, MD and NJ: Coastal Flood Advisory for tides running up to a foot above ground level through this evening. Be cautious if you plan to camp or boondocks on or near any affected beach.
National Weather Service Warnings Watches and Advisories issued a.m. Tuesday 12 October Tuesday 12 October Expected snowfall amounts through Thursday morning 14 October Wind gusts Tuesday afternoon 12 October Severe weather risk Tuesday and Tuesday night 12 October Flash Flood risk Wednesday and Wednesday night 13 October High Temperatures Tuesday 12 October Low temperatures Wednesday morning 13 October High temperatures Tuesday 12 October High Temperatures Wednesday 13 October