Impacts of weather hazards, including flash flooding and tornadoes, on RVers and travelers in the US today and tomorrow.

Active severe weather situation continues this morning over central Georgia; Flash flooding occurring now in central Alabama.
- Move to higher ground from flash floods; do not drive or tow over flooded roads. Seek shelter in a building – not your RV – from severe thunderstorms or tornadoes.
Strong California storm brings high winds and heavy snow to much of Oregon and northern and central California through Tuesday.
Snow today for the western Plains of Colorado, Nebraska and Kansas.

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Pacific:

— Northeast OR: Wind Advisory this evening through Tuesday afternoon for the Blue Mountains. Gusts to 55 mph. I-84 impacted.

— OR Cascades: Winter Storm Warnings and Advisories this evening through Tuesday. 8-14 inches snow expected above 4000 feet; 1-4 inches at lower elevations. Wind gusts to 35 mph. US-20, US-97 impacted.

— Central and east-central OR: Winter Storm Warnings and Advisories above 4000 feet. 4-7 inches snow except 6-12 inches in the mountains. I-84 US-20, US-26, US-95, US-395 impacted.

— South-central OR and northeast CA: Wind Advisory tonight through Tuesday afternoon. Gusts to 60 mph. US-395 impacted.

— Southern OR and northern CA Siskiyou Pass: High Wind Warnings and Advisories this afternoon through Tuesday evening. Wind gusts 55-65 from along the I-5 corridor from Ashland OR to Weed CA. I-5 impacted.

— Southwest coastal OR and northwest coastal CA: High Wind Watch this afternoon through Tuesday evening. Gusts 55-65 mph. US-101, CA-1 impacted.

— Southwest and south-central OR; northwest and northern CA: Winter Storm Warnings and Advisories (southwest OR) this afternoon through Tuesday night. Accumulations will range from 6-12 inches in the coastal ranges above 2000 feet, to 1-3 feet at Pass level along I-5, to 2-4 feet in the higher mountains. Wind gusts 45-65 mph. I-5, US-97, US-101, US-395, CA-1 impacted.

— CA Sierra Nevada Mountains: Winter Storm Warnings this evening through Wednesday evening. 2-4 feet of snow and wind gusts to 60 mph. Snow levels generally between 3000 – 4000 feet. I-80, US-50 impacted.

— North-central CA Sacramento Valley: Wind Advisories this evening through late Tuesday afternoon. Gusts 35-50 mph. I-5, I-80, CA-99 impacted.

— Central CA Coast including the Bay Area: Wind Advisory today through Tuesday afternoon. Wind gusts to 45 mph. US-101, CA-1, highways in the Bay Area, impacted.

— Much of coastal CA north of Santa Barbara: Slight risk of Flash Flooding Tuesday and Tuesday night due to excessive rainfall. US-101, CA-1 potentially impacted.

— Southern CA Ventura County and the mountains and valleys northwest of Los Angeles; portions of San Bernardino, Santa Ana, Riverside and San Diego County Mountains; Inland Empire and portions of inland Orange County: Wind Advisories through this afternoon. Gusts to 45 mph. I-5, I-8, I-10, US-101 impacted.

— West-central NV near Fallon: Flood Advisory through Monday afternoon for minor flooding from controlled dam release. US-50, US-93 potentially impacted.

— Central NV Eureka County: FLOOD WARNING through Friday for rapid snowmelt. US-50 potentially impacted.

Mountain:

— South-central and southeast MT; adjacent north-central WY: Winter Storm Warnings and Advisories continue through midday today. Up to 4 inches additional snow accumulation. I-90 impacted.

— North-central UT: Winter Weather Advisories continue through midday today. Several more inches of snow likely. I-15, I-80, I-84 impacted.

— Northeast CO: Winter Weather Advisory today. 3-6 inches of snow and wind gusts to 40 mph. I-70, I-76 impacted.

— South-central CO: Strong winds this afternoon and this evening. Gusts to 45 mph. I-25 impacted.

— Central, east-central and northeast NM: Wind Advisory this afternoon and evening. Gusts to 50 mph. I-25, I-40 impacted.

Central:

— Portions of central and southwest NE; northwest KS: Winter Weather Advisories today and tonight. 3-5 inches of snow likely. Some thunder possible too. I-70, I-80 impacted.

— Southeast TX and adjacent southwest LA: Dense Fog Advisories this morning. I-10, I-45 impacted.

— Central AL, especially east-central AL: FLASH FLOOD WARNINGS, Advisories and Watches continue through this morning for excessive runoff. Up to 3-7 inches of rain have fallen through last night, creating flooding and flash flooding conditions. I-20, I-59, I-65, I-85 potentially impacted.

— South-central and southeast TX; southern LA; southern MS; southern and central AL; western FL Panhandle: Isolated strong to severe thunderstorms possible today. Large hail is the primary threat in this region. I-10, I-12, I-45, I-49, I-55, I-59, I-65, I-85 potentially impacted.

— Southeast LA; southern MS; southern AL and western FL Panhandle: Isolated strong to severe thunderstorms possible through Tuesday afternoon. Damaging wind gusts and large hail are the primary threats. I-10, I-12, I-55, I-59, I-65 potentially impacted.

Eastern:

— Parts of central GA along the I-16 corridor: TORNADO WATCH through late this morning. A couple of tornadoes possible along with quarter-sized hail and wind gusts to 75 mph. Severe weather is actively occurring this morning. Remember your RV is NOT a severe storm shelter. I-16, I-75 potentially impacted.

— Much of central and west-central GA: FLASH FLOOD WARNINGS, Advisories and Watches continue through this morning for excessive runoff. Up to 3-7 inches of rain have fallen through last night, creating flooding and flash flooding conditions. Heavy rains are still occurring with strong to severe thunderstorms. Worst flooding is to the south and southwest of Atlanta. I-16, I-20, I-75, I-85 potentially impacted.

— Northern FL and southern GA: Isolated strong to severe thunderstorms possible through Tuesday afternoon. Damaging wind gusts and large hail are the primary threats. I-10, I-17, I-95 potentially impacted.

— Northwest FL Peninsula Big Bend area: Dense Fog Advisory through midday today.

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

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

Real-time severe weather (TORNADO, hail, flash flood) warnings

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

Weather Safety Tips

Summary of Weather Hazard Warnings and Advisories Monday morning 27 March. Click for latest updates.
Severe thunderstorm risk today 27 March
Flash flood risk today 27 March
Wind gusts this afternoon 27 March
Likelihood of winter weather impacting RV travel today 27 March (west)
Likelihood of winter weather impacting RV travel today 27 March (east)
Severe thunderstorm risk Tuesday 28 March
Flash flood risk Tuesday 28 March
Wind gusts Tuesday afternoon 28 March
Likelihood of winter weather impacting RV travel Tuesday 28 March (west)
Likelihood of winter weather impacting RV travel Tuesday 28 March (east)
Wind gusts Wednesday afternoon 29 March
Likelihood of winter weather impacting RV travel Wednesday 29 March (west)
Likelihood of winter weather impacting RV travel Wednesday 29 March (east)
Total snowfall accumulation through Wednesday night 29 March
Total precipitation amounts through Wednesday night 29 March