**High Impact Weather Days Monday and Tuesday ** Major late-season storm brings high winds, heavy snow and very cold temperatures to the West and then Northern Plains. Significant severe weather outbreak likely late Tuesday over the Southern Plains into the Mid-Missouri Valley.
- High winds spread from the West Coast across the Rockies and into the Northern Plains by Tuesday.
- Heavy snows in much of the west north of I-80 starting tonight.
- Blizzard conditions likely Tuesday in the Dakotas.
- Significant severe weather outbreak late Tuesday over the Southern Plains and Mid-Missouri Valley.
- One more cold day with some snow showers over the Northeast and Appalachians.
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For detailed weather information or routing recommendations, please submit an RV Weather Routing Request. Your local forecasts are always available here. Below are some highlights of significant weather, grouped by time zone:
Pacific:
— WA Olympic and Cascades; OR Coastal Range above 1500 feet; OR Cascades; central and eastern OR; northwest CA coastal hills: Winter Storm Warnings, Watches and Advisories from early this evening through late Monday and early Tuesday. Snow levels from 1000-1500 feet in WA and OR to 2000 feet in northeast CA. Several inches snow accumulation in the valleys with up to 8-16 inches in the mountains and higher passes. Wind gusts 35-45 mph will be common. Major highways impacted include: I-5, I-84, I-90, US-101, US-395.
— Southern OR Immediate coastline: High Wind Warning tonight through Monday afternoon. Gusts to 65 mph. US-101 impacted.
— Southwest OR: Wind Advisory tonight through Monday afternoon. Gusts to 45 mph. I-5 impacted.
— South-central OR; northeast CA: High Wind Warnings and Advisories Monday and Monday night. Wind gusts 45-65 mph. US-395 impacted.
— Northern and Central CA, Sacramento Valley, Northern San Joaquin Valley, Sacramento Delta, Central Coastal Ranges: Wind Advisories through this evening. Gusts to 50 mph. I-5, I-80, CA-99 impacted.
— CA Eastern Slopes of the Sierra, adjacent NV (including Reno), Mojave Desert, including Death Valley: High Wind Warnings late Monday morning through Monday night. Widespread wind gusts 60-70 mph with gusts to 80 mph in wind-prone areas of US-395. Major highways impacted include I-15, I-40, I-80, US-395, CA-58.
— Virtually all of NV: High Wind Warnings (south) and Advisories Monday midday through Monday night. Gusts 55-70 mph. Major highways impacted include I-15, I-80, US-50.
— CA Sierra Nevada Mountains: Winter Weather Advisories Monday and Monday evening above 4000 feet (north) to 5000 feet (south). 3-6 inches near snow level with 5-12 inches at higher elevations. I-80 impacted.
— Northeast NV: Winter Weather Advisory Monday and Monday night above 6000 ft. Snowfall 3-10 inches. Gusts to 45 mph. I-80 likely impacted.
— Southern CA Mountains from Santa Barbara to the Mexican Border: High Wind Watches Monday evening through Tuesday morning: Wind gusts to 65 mph. Major highways impacted include I-5, I-8, I-10, I-15, US-101.
Mountain:
— Southwest ID: Winter Weather Advisories Monday morning through midday Wednesday. Accumulations generally 6-10 inches; lower in the valleys, higher in the mountains and passes. I-84 impacted.
— East-central ID; central and southern MT; western and northeastern WY; northeast UT: Winter Storm Watches late Monday afternoon through Wednesday. Accumulations generally 4-12 inches. Expect sustained periods of accumulating snow, wind gusts 35-50 mph, and very cold temperatures for mid-April. Travel will be hazardous or even dangerous. Snow will move in Monday and Monday night from west to east, and will end the same way late Tuesday and Wednesday. Major highways impacted include I-15, I-25, I-80, I-90, I-94.
— Central WY: Winter Weather Advisory today. 2-4 inches accumulation possible.
— Southeast WY: High Wind Warnings through this evening. Gusts to 65 mph. I-25, I-80 impacted.
— Northern and central AZ: High Wind Watches and Advisories Monday midday through Tuesday morning. Gusts 55-65 mph. I-17, I-40 impacted.
— Southwest NM: Wind Advisories this afternoon and evening. Gusts to 50 mph. I-10 impacted.
— Northeast, east-central, south-central NM: Wind Advisories this afternoon and evening. Gusts to 50 mph. I-25, I-40 impacted.
Central:
— Western and central ND; northwest and north-central SD: Winter Storm Watches Tuesday morning through Thursday morning. Blizzard conditions likely, with snow accumulations of 10-20 inches and gusts to 50 mph. I-94 impacted.
— MN Arrowhead: Winter Weather Advisory tonight. Up to 4 inches snow and some freezing rain possible.
— Northeast OK; southeast KS; southwest and central MO: Slight risk of strong to severe thunderstorms this evening. Strong winds and damaging hail will be the main threats. I-44 potentially impacted.
— Northeast TX; southeast OK; most of AR; southern MO; western TN: Slight risk of severe thunderstorms Monday and Monday night. Large hail, damaging wind gusts and a few tornadoes all possible. I-20, I-30, I-35, I-40, I-45, I-55 potentially impacted.
— IA; eastern NE; eastern KS; most of MO; central and eastern OK; AR; eastern TX; central and northern LA; far-western MS: Significant risk of severe thunderstorms developing in this region Tuesday and Tuesday night. Very large hail, damaging winds and potentially strong tornadoes are the major threats. Greatest threat along an axis from Des Moines IA to Dallas TX.
— Eastern OK; eastern TX; AR; central and western LA; southeast MO: Wind Advisories today through this evening. Gusts 35-45 mph. Major highways impacted include I-10, I-20, I-30, I-35, I-40, I-44, I-49.
Eastern:
— Unusually cold weather with rain and snow showers over parts of the Northeast and Appalachians continues today before a warm-up starts Monday.
— Northern ME: Dense Fog Advisory through late this morning.
Total snowfall accumulations through Tuesday night 12 April
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