- Strong to severe thunderstorms and heavy rain may produce excessive rainfall and flooding in the Northeast.
- Real chance for tornadoes today across southern New England.
- Dangerously hot conditions across the Southwest and West continue today.
- Wildfire smoke from Canadian wildfire smoke across much of the Upper Midwest into the Great Lakes and Ohio Valley.
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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.
— Central and southeast WA; much of OR except coastal regions and the northern portion of the state; northern CA; central and northeast NV: Heat Advisories through this evening. Temperatures up to 105 deg F expected. Heat Advisories continue through Monday in NV.
— Central and eastern WA: Red Flag (fire danger) Warnings this afternoon through late Monday evening. Localized wind gusts may reach 30 mph. I-82, I-90, US-395 potentially impacted.
— Northern NV along and north of the I-80 corridor: Strong winds Monday afternoon and evening. Gusts 30-35 mph. I-80 impacted.
— East-central CA Mono County: Flood Advisory continues through midday Monday for continuing snowmelt. Secondary roads and campgrounds may be flooded. US-395 potentially impacted.
— Much of CA except immediate coast, Sierra Nevada and far-northern portion of state; western, central and southern NV: Excessive Heat Warnings continue into the early part of this week. High temperatures will range from around 100 deg F to near 120 deg F in the low elevation deserts. Some relief for the northern portions of this region starting Monday.
— Northeast MT: Dense Smoke Advisory through this afternoon. Canadian wildfire smoke may reduce visibilities to 3 miles or less. I-94 impacted.
— Central MT: Isolated severe thunderstorms possible Monday. Strong winds and hail are the main hazards. I-90 potentially impacted.
— Portions of southwest, western and north-central MT; central and southeast ID; much of WY along and north of I-80 and west of I-25: Strong winds Monday afternoon and evening. Gusts 30-40 mph. I-15, I-25, I-80, I-90 impacted.
— Eastern WY: Smoke from Canadian wildfires will be noticeable through Monday.
— Northeast and east-central UT: Excessive Heat Warning for today and Monday. High temperatures may reach 105 deg F. I-70, I-84 impacted.
— Southern ID; western, southern, central and east-central UT; AZ that is not covered by Heat Warnings; western and southern NM: Heat Advisories through Monday. High temperatures generally 100-109 deg F.
— Western, central, southern AZ: Excessive Heat Warnings continue through Wednesday. Afternoon temperatures 112 – 118 deg F. I-8, I-10, I-17, I-19, I-40 impacted.
— AZ Grand Canyon below 4000 feet: Excessive Heat Warning through Tuesday. Temperatures may reach 117 deg F at Phantom Ranch.
— Southwest ND; SD; southern MN; IA; central and southern WI: much of IL: Wildfire smoke from Canadian fires will be noticeable today with hazy skies and degraded visibility. Heaviest smoke should move to the Great Lakes and Eastern U.S. by Monday.
— Central, north-central and northeast KS: Scattered severe thunderstorms with large hail and damaging winds today. I-29, I-35, I-70 potentially impacted.
— Northeast TX and adjacent south-central OK; LA; southwest MS: Isolated severe thunderstorms with strong winds possible today. I-10, I-12, I-20, I-30, I-35, I-45, I-49, I-55, I-59 potentially impacted.
— South-central SD; north-central and northeast NE: Scattered severe thunderstorms possible on Monday Wind and hail are the primary hazards. I-29, I-35, I-79, I-80, I-90 potentially impacted.
— Southern, central and eastern TX; most of LA; southern MS; southwest AL: Heat Advisories through Monday. Heat indices 105-114 deg F and actual high temperatures 100-105 deg F.
— Eastern NY including Long Island; VT; NH; ME; MA; CT; RI; eastern PA; NJ; central and eastern MD; DE; parts of northern and eastern VA: FLASH FLOOD WARNINGS, Flood Advisories and Watches continue through late tonight. Widespread additional rainfall of 1-2 inches expected, with localized amounts of 3-5 inches. I-64, I-66, I-70, I-76, I-78, I-80, I-81, I-83, I-84, I-87, I-88, I-89, I-90, I-91, I-93, I-95, NY Thruway, PA, NJ, MA Turnpikes, Garden State Parkway potentially impacted.
— Much of central and west-central OH: Dense Fog Advisories this morning. I-70, I-71, I-75, I-77, I-80, OH Turnpike impacted.
— MA and adjacent southeast NY; CT; RI: Scattered severe thunderstorms today. A few tornadoes and damaging winds are possible. I-84, I-90, I-91, I-95, Mass Turnpike potentially impacted.
— Southeast FL including Miami: Excessive Heat Warning today. Heat index values may reach 112 deg F.
Click here for the extended outlook (updates every Thursday and Sunday evening).
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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