Three things to know about weather for travelers Tuesday 24 October

Significant winter storm from the Cascades to the northern Rockies to the northern Plains through Thursday.
Chance for severe thunderstorms and flash flooding today and Wednesday from western Texas to the western Great Lakes.
Near record warmth for the lower Mississippi Valley.

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Starting Monday morning, 27 November, this site will be down for a major upgrade. RVWeather.com will return no later than Wednesday 29 November — sooner if possible. When the site returns, WILMA, our NEW(!) integrated weather impacts product, will be available. The Paywall will also be implemented. RV Weather will continue to provide free access to essential, RV-relevant National Weather Service Warnings and Advisories, current weather, and weather safety information. While the main site is off-line, I will post a simple forecast to my email list and to RVWeather on Facebook.

From the RV Weather Mobile Command Center in Jackson Center Ohio:

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.

Pacific:

— WA Olympic Mountains: Winter Weather Advisory today and tonight. 8-15 inches of snow above 3000 feet and 16-24 inches snow above 5000 feet.

— WA Cascades; northern and central OR Cascades: Winter Storm Warnings (northern WA Cascades) and Advisories (elsewhere) late this morning through Wednesday evening above 3000 feet. Accumulations at 3000 feet will range from 8-16 inches in the northern WA Cascades to 2-6 inches in the OR Cascades. Accumulations at 5000 feet will range from 16-30 inches in the northern WA Cascades to 6-12 inches in the OR Cascades. I-90 impacted.

— North-central and northeast WA: Winter Weather Advisories midday today through Wednesday evening. Accumulations will range from 1-4 inches below 3000 feet to 5-10 inches above 3000 feet. I-90, US-2, US-97 impacted.

— South-central WA and north-central OR: Freeze Watch Wednesday evening through Thursday morning. Low temperatures in the upper 20’s.

— Central CA northern Bay Area: Dense Fog Advisory this morning. US-101 impacted.

— Northern and northwest NV: Strong winds Wednesday. Gusts 30-40 mph. I-80, US-50, US-93, US-95 impacted.

Mountain:

— Northern ID; western and central MT; northwest WY: A combination of Winter Storm Warnings (central and western MT, northwest WY), Advisories (northern ID), and Watches (western and eastern MT). Snow levels in ID and MT mostly 3000 feet. Snow move from west to east starting this afternoon and continues through Wednesday evening. Snow reaches central MT by sunset. Accumulations in ID will range from 1-4 inches below 3000 feet to 4-8 inches at higher elevations. Expect 4-11 inches of snow in much of MT with wind gusts to 35 mph. For northwest WY, expect 6-12 inches snow above 7000 feet and 1-2 feet of snow above 8000 feet. Wind gusts to 45 mph. Major highways impacted include I-15, I-90, I-94, US-2, US-26, US-87, US-89, US-95, US-191.

— Central ID: Winter Weather Advisory tonight through early Thursday morning. 2-6 inches snow below 7500 feet and 6-12 inches above 7500 feet. Wind gusts to 40 mph.

— Southern NM: Isolated severe thunderstorms capable of damaging winds and hail are possible through tonight. I-10, I-25 potentially impacted.

Central:

— Northwestern half of ND: Winter Storm Watch late Tuesday night through Thursday night. 6 or more inches of snow likely. I-29 (extreme northern end) and I-94 (western end) potentially impacted.

— Southeast MN; northern and central WI: Isolated severe storms capable of producing damaging winds and hail will be possible today and tonight. I-35, I-39, I-90, I-94 potentially impacted.

— Southeast NE; southwest IA: Isolated strong to severe thunderstorms possible Wednesday. Hail and damaging winds are the primary hazards. I-29, I-35, I-80 potentially impacted.

— Central and south-central IA; northwest IL; eastern KS; east-central OK; north-central and central TX: Strong winds today. Gusts 30-35 mph. I-10, I-20, I-35, I-39, I-40, I-44, I-55, I-70, I-80, I-88 impacted.

— South-central OK and adjacent north-central TX: Flood Watch through Thursday morning. A total of 1-3 inches of rainfall in multiple sets of showers and thunderstorms probable. I-35, I-40 potentially impacted.

— Western TX south of the Panhandle: Isolated severe storms capable of producing damaging winds and hail will be possible today and tonight. I-10, I-20, I-27 potentially impacted.

— Central TX; south-central OK: Isolated strong to severe thunderstorms possible Wednesday. Hail and damaging winds are the primary hazards. Storms should stay just west of I-35. I-10, I-20, I-35, I-40 potentially impacted.

— Southeast LA: Dense Fog Advisory this morning. I-10, I-12, I-55, I-59 impacted.

Eastern:

— Northern MI Lower Peninsula: Isolated severe storms capable of producing damaging winds and hail will be possible today and tonight. I-35, I-39, I-90, I-94 potentially impacted. I-75 potentially impacted.

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