Weather for RVers and travelers Wednesday 24 July 2024

Hazardous heat wave continues for much of interior California, the Great Basin, into the northern Rockies and northern Plains. Temperatures will ease back this weekend.
Flooding rains today along the southeast Texas coast; heavy rains Thursday across the Carolinas.
Strong to marginally severe thunderstorms possible today across the southern Great Lakes region into the Northeast and southwards to the Mid-Atlantic States.

From the RV Weather Field Office in State College PA:

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!).

Weather Impacts Pacific Time Zone:

— Portions of north-central WA: Red Flag (fire danger) Warnings this afternoon and evening. Wind gusts to 35 mph. US-97 impacted.

— Portions of central WA; north-central OR and eastern Columbia Gorge: Strong winds this afternoon through tonight. Wind gusts 30-40 mph. I-82, I-84, I-90, US-2, US-12, US-97 impacted.

— Much of eastern, southeast and south-central OR; northeast CA: Red Flag (fire danger) Warnings this afternoon into tonight. Wind gusts 30-40 mph. I-84, US-20, US-26, US-95, US-395 impacted.

— Much of east-central and southeast OR; northern NV: Excessive Heat Warnings and Advisories today and Wednesday. High temperatures 97-104 deg F.

— Eastern OR; northwest NV: Locally strong thunderstorms today may produce damaging wind gusts. I-84, US-20, US-26, US-95 potentially impacted.

— Northern CA Sacramento Valley; much of central CA west of the Sierra Nevada: Excessive Heat Warnings and Advisories through Thursday. High temperatures 100-111 deg F.

— East-central CA including Mono Lake; portions of west-central NV: Flood Watch this afternoon through this evening. Multiple, heavy, slow-moving rain showers and thunderstorms may result in flooding of burn scars, creeks and streams, and other flood-prone locations. US-6, US-95, US-395 potentially impacted.

— Southern CA foothills and mountains away from the immediate coast: Heat Advisories today and Thursday. High temperatures 90 to 106 deg F.

— Interior southern CA; and southeast CA interior deserts and east of the Sierra Nevada, including the Mojave Desert and Death Valley National Park; southern NV; adjacent northwest AZ: Excessive Heat Warnings through Friday. High temperatures 107 – 118 deg F with temperatures reaching the mid-120’s deg F in Death Valley NP. I-8, I-10, I-15, I-40, US-395, CA-14, CA-58 impacted.

Weather Impacts Mountain Time Zone:

— Much of central and southern ID; much of western MT: Red Flag (fire danger) Warnings this afternoon into early tonight. Wind gusts outside of thunderstorms up to 30 mph. Outflow wind gusts from thunderstorms may reach 60 mph. I-15, I-84, I-86, I-90, US-2, US-12, US-93, US-95, US-191, US-287 impacted.

— Much of central and southwest ID; portions of southwest and central MT: Locally strong thunderstorms today may produce damaging wind gusts. I-15, I-84, I-90 potentially impacted.

— Northwest MT; portions of central ID: Heat Advisories today. High temperatures generally 95-100 deg F.

— Much of central and eastern MT; northeast WY: Excessive Heat Warnings and Advisories through Thursday. High temperatures 100-108 deg F. I-90, I-94, US-2 US-12 impacted.

— Much of southern ID; northwest UT; central UT I-70 corridor: Excessive Heat Warnings (I-84 corridor southwest ID) and Advisories today. High temperatures 100-104 deg F.

— Portions of west-central and northwest AZ: Excessive Heat Warnings through this evening. High temperatures 106-117 deg F. I-40, US-93 impacted.

— Portions of south-central AZ: Blowing Dust Advisory this afternoon through late this evening. Visibility may drop to 1/4 to 1 mile in blowing dust. I-8, I-10, I-17, I-19 potentially impacted.

— Much of central and southern AZ: Locally strong thunderstorms today may produce damaging wind gusts. I-8, I-10, I-17, I-19, I-40 potentially impacted.

Weather Impacts Central Time Zone:

— Western and central ND; western SD: Heat Advisories today and Thursday. High temperatures up to 107 deg F.

— Southeast IA; northern IL: Isolated strong to severe thunderstorms possible today. Wind and hail are the primary hazards. I-39, I-55, I-57, I-72, I-74, I-80 potentially impacted.

— Southeast TX and adjacent coastal southwest LA: Flood Watches continue through this evening. An additional 2-3 inches of rainfall is possible. I-10, I-45 impacted.

Weather Impacts Eastern Time Zone:

— Northern ME: Dense Fog Advisories through mid-morning. I-95, US-1 impacted.

— Central NC; central SD: Flood Watches today and Thursday. Rainfall amounts of 1-3 inches is probable. Heaviest rains will be tonight and Thursday. I-20, I-26, I-40, I-73, I-85, I-95 potentially impacted.

— Northern OH; western and northern PA; NY; NJ; DE; MD Eastern Shore; much of eastern and southern VA; north-central and northeast NC: Isolated strong to severe thunderstorms may produce damaging wind gusts this afternoon and evening. Hail is also possible in NY. I-40, I-64, I-70, I-71, I-73, I-75, I-76, I-77, I-78, I-79, I-80, I-81, I-83, I-84, I-85, I-86, I-87, I-88, I-90, I-95, NJ, PA and OH Turnpikes, NY Thruway potentially impacted.

— Southeast PA; southern NJ; central and eastern MD; DC; DE; northern VA: Isolated strong to severe thunderstorms on Thursday may produce damaging wind gusts along the I-95 corridor from northern VA to central NJ. I-66, I-70, I-76, I-78, I-83, I-95, NJ Turnpike potentially impacted.