Three things to know about weather for RVers and travelers Monday 18 September

  • More heavy, potentially flooding, rains today and Tuesday for New England from Rhode Island to Maine.
  • Strong winds this afternoon from central Washington eastward to Montana.
  • Severe thunderstorms with very large hail possible Tuesday and Tuesday night across central and eastern Oklahoma.

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Changes are coming to RV Weather! Please check out my blog post to see what the future holds…

From the RV Weather Summer Office in Colter Bay Wyoming:

These are the most significant weather impacts to RV travel over the next two to three days. I do not list every area of rain, showers, or breezy winds. (It would be exhausting for both of us!). Please check out the animations and graphics for a good depiction of the weather along your route.


— Central WA Kittitas Valley: Wind Advisory late this morning through this evening. Gusts to 45 mph. I-82, I-90 impacted.

— Central and west-central WA; north-central OR: Red Flag (fire danger) Warnings this afternoon and evening. Wind gusts to 30-40 mph. I-82, I-84, I-90, US-97, US-395 potentially impacted.


— Much of MT east of the Rockies and along and north of I-90/I-94: Red Flag Warnings this afternoon and evening. Wind gusts 30-40 mph. I-15, I-90, I-94, US-2, US-87 impacted.


— Southwest KS; most of OK and TX Panhandles: Isolated to widely scattered strong thunderstorms possible late this afternoon and early evening. Small hail and locally severe wind gusts are the primary hazards. I-27, I-40 impacted.

— Central and eastern OK; adjacent north-central TX: Scattered severe thunderstorms possible Tuesday and Tuesday night. Very large hail and severe wind gusts possible. Greatest hail threat is along and just west of I-35. I-35, I-40, I-44 potentially impacted.

— Southeast KS; central and eastern OK; north-central and northeast TX: Isolated strong to severe thunderstorms possible Wednesday afternoon and evening. I-20, I-30, I-35, I-40, I-44 potentially impacted.


— Southeast KY: Dense Fog Advisory through mid-morning. I-75 impacted.

— Central and southern ME; much of NH; eastern MA (except Cape Cod); RI: Flood Watches today and Tuesday. Total rainfall amounts will be 1-3 inches, with localized areas seeing 4 inches. This rain is falling on areas that have already seen up to 10 inches of rainfall early last week. I-89, I-93, I-95, US-1 potentially impacted.

Severe thunderstorm risk today and tonight.
Wildfire smoke concentrations late this afternoon and evening Monday 18 September
Severe thunderstorm risk tomorrow and tomorrow night.
Total rainfall amounts for the next three days

Current Severe Thunderstorm and Tornado Watches from the National Weather Service Storm Prediction Center

Tropical weather outlook from the National Hurricane Center

Tornado safety information for RVers (what to do!):

Access to real-time road information:

Phone numbers and websites for road conditions in all 50 states. Courtesy of the Cheyenne WY Weather Forecast Office

Some useful links:

High-resolution radar

Your local forecast

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