- Strong winds today and Thursday spread eastward from the Northern Plains to the Great Lakes.
- Record high temperatures are expected today and Thursday across the Northwestern states and Texas.
- Keeping an eye out for tropical development in the Atlantic Ocean and Gulf of Mexico.
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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.
— WA, OR; northwest CA: Excessive Heat Warnings, Watches and Advisories through Thursday. High temperatures 96-108 deg F. I-5, I-82, I-84, I-90, US-97, US-395 impacted.
— WA Cascades: Red Flag (fire danger) Warnings today Hot, dry, unstable conditions will allow for rapid fire growth. I-84, I-90 potentially impacted.
— Southwest OR and much of interior northern CA: Reg Flag (fire danger) Warnings today. Lightning from scattered thunderstorms may start fires that could then spread rapidly. I-5, US-395 potentially impacted.
— CA Sacramento and San Joaquin Valleys: Heat Advisories through Thursday. High temperatures 100-110 deg F. I-5, I-80, CA-99 impacted.
— Portions of southern CA interior deserts CA/AZ Colorado River Valley: Excessive Heat Warnings and Advisories through Thursday. High temperatures 100-116 deg F. I-8, I-10, I-15 impacted.
— Northwest MT Flathead Reservation: Red Flag (fire danger) Warnings this afternoon and again Thursday afternoon. Wind gusts 25-30 mph. US-93 potentially impacted.
— Northeast MT: Strong winds this afternoon and evening. Gusts 30-40 mph. I-94 impacted.
— Northern, west-central and southwest ID; northwest MT; central MT east of the Rockies: Heat Advisories through Thursday. High temperatures upper 90’s and lower 100’s deg F.
— South-central AZ: Excessive Heat Warnings today and Thursday. High temperatures 108-115 deg F. I-8, I-10, I-17 impacted.
— North-central NM Sangre de Cristo Mountains: Flood Watch this afternoon and evening. This region is just west and north of I-25..
— Central and northern ND; northwest MN: Wind Advisory this afternoon and evening. Gusts to 45 mph. I-29 impacted.
— Southern ND; much of MN; northern IA; northern WI: Strong winds this afternoon and evening. Gusts 30-40 mph. I-29, I-35, I-90, I-94 impacted.
— Eastern and southern MN; northwest WI: Strong to severe thunderstorms expected this evening. Severe wind and hail are the main threats, though a tornado is also possible. I-35, I-90, I-94 potentially impacted.
— MN; Much of WI; northwest IA; northern and central IL: Strong winds Thursday morning. Gusts 30-40 mph. I-29, I-35, I-39, I-43, I-55, I-57, I-70, I-74, I-80, I-88, I-90, I-94 impacted.
— Much of southern TX: A combination of Excessive Heat Watches and Advisories today and Thursday. Heat index values 103-110 deg F. I-10, I-35, I-45 impacted.
— MI Upper Peninsula: Strong winds this afternoon through Thursday evening. Gusts 30-40 mph. I-75, US-2 impacted.
— Northwest IN; MI Lower Peninsula: Strong Winds Thursday morning. Gusts 30-40 mph. I-65, I-69, I-70, I-74, I-75, I-80, I-90, I-94, I-96, IN Toll Road impacted.
— MI Lower Peninsula, northeast IN; northwest OH: Isolated strong to severe thunderstorms possible Thursday. Wind and hail are the primary hazards. I-69, I-74, I-75, I-80, I-90, I-94, I-96, IN Toll Road, OH Turnpike potentially impacted.
— Southern ME; central and southern NH; RI; much of MA and CT: Isolated severe thunderstorms possible Friday. I-84, I-89, I-90, I-91, I-93, I-95, Mass Pike potentially impacted.
— Coastal SC; southeast GA; much of FL north of the Everglades: Isolated strong to severe thunderstorms possible today. Strong winds are the primary hazard. I-4, I-10, I-16, I-26, I-75, I-95 potentially impacted.
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:
Some useful links:
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