Travel & RV Weather Forecast Wednesday 18 May

**Heads up ** Winter weather returns to the higher elevations of the northern and central Rockies Thursday and Friday. Strong to high winds over much of the area from Montana to the Four-Corners Region.

  • Strong to severe thunderstorms are possible on Wednesday in parts of the Ohio Valley, Upper Mississippi Valley and south-central Plains.
  • Strong cold front will sweep through the Northwest U.S. with rain, higher elevation snows and high winds tonight through Friday.
  • Heat and record high temperatures are likely across the Southern U.S.

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For detailed weather information or routing recommendations, please submit an RV Weather SureRouteTM Request. Your local forecasts are always available here. Below are some highlights of significant weather, grouped by time zone:


WA northern and central Cascades above 4000 feet: Winter Weather Advisories today and tonight. Snow accumulation 4-15 inches and wind gusts to 40 mph. I-90 marginally impacted.

— WA Coast and vicinity Puget Sound: Wind Advisories through this evening. Gusts to 50 mph. I-5, I-90 impacted.

— Parts of central, south-central and southwest WA; north-central OR: Wind Advisories through this evening. Gusts to 50 mph. I-84, I-90 impacted.

— South-central OR: Wind Advisories this afternoon through Thursday afternoon. Gusts to 55 mph.


Northwest and central MT: Winter Storm Watch Thursday afternoon through Friday morning. Over 6 inches of snow possible, mainly above 5000 feet. I-15 impacted.

Northwest and north-central MT: High Wind Warnings and Watches this afternoon through Thursday night. Gusts 60-70 mph possible. I-15 impacted.

— Northwest and central WY Absaroka Mountains and Cody Foothills: High Wind Watch this evening through Thursday morning. Gusts could reach 60-75 mph.

Much of southwest and southeast WY: High Wind Watches late tonight through Thursday: Gusts to 60 mph probable. I-80 highly impacted.

— Northeast UT and northwest CO: Wind Advisories late morning Thursday through Thursday evening. Gusts to 55 mph.

Southeast WY; north-central and central CO: Winter Storm Watches late Thursday night through Saturday morning. Up to 6-18 inches snow possible. Accumulating snow should stay to the west of I-25 in CO. I-25 (WY), I-70, I-80 impacted.

— Southern UT; northern and central AZ; southern and eastern CO; much of NM except southwest portion of state: On Thursday expect widespread strong winds, gusting 40-45 mph. Advisories possible. I-15, I-25, I-40, I-70 impacted.


— Parts of eastern ND: Flood warnings continue due to excessive rainfall. Some road in the vicinity of I-29 may be impacted.

— Southern MN; northern and central IA; much of WI: Slight chance of severe thunderstorms Thursday afternoon and evening. Large hail, damaging wind gusts and a couple of tornadoes are possible. I-35, I-43, I-80, I-90, I-94 potentially impacted.


Western and central KY: Slight chance of severe thunderstorms this afternoon and evening. I-64, I-69, I-75 potentially impacted.

— Northeast FL; southeast GA: Dense Fog Advisories through mid-morning. I-10, I-75, I-95 impacted.

Severe Weather Watches and Warnings

— See for the latest Tornado and Severe Thunderstorm WATCHES

— See for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

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