Sierra Nevada Winter Storms and Severe Thunderstorms for the Central US

California Sierra Nevada, including the Lake Tahoe area: Winter Storm Warning through Sunday night, with heavy snow of 1 to 2 feet common above 4500 feet and wind gusts as high as 50 to 90 mph.
Much of Nebraska, Kansas, Iowa, and central and western Texas and Oklahoma, plus parts of the upper Mississippi Valley: Scattered thunderstorms producing hail and strong wind gusts will be possible this afternoon into evening, with the greatest risk of severe weather across central and western Texas.
Texas and central and southern Oklahoma: Flash flooding is possible this afternoon through Sunday morning as strong thunderstorms develop and merge into a large cluster of heavy rain, with rainfall totals of 2 to 4 inches.

From the RV Weather Field Office in State College PA:

Here are the relevant National Weather Service Warnings, Watches and Advisories that will impact RV and Road travel over the next several days.

Scroll down to the always-updating graphics immediately below this forecast for the latest information and for weather impacts that do not meet NWS Alert criteria.

RV Weather’s free Weather Hub has a complete collection of always updating forecasts.

“Love the forecast? Now plan your safest route.” RV Weather’s daily forecasts keep you informed — but our SureRoute subscription gives you personalized, RV-safe routes that avoid dangerous weather and delays.

Learn More about RV Weather

Subscribe to RV Weather
99¢ 7-day trial

Weather Impacts Pacific Time Zone:

— Eastern Sierra slopes, Lassen and eastern Plumas County, northern Trinity, and western Siskiyou County: Winter Weather Advisory beginning this afternoon and continuing through Sunday night in most areas, with 3 to 7 inches in the eastern Sierra, up to 6 inches below 6500 feet and 6 to 12 inches above 6500 feet in Lassen and eastern Plumas County, 4 to 7 inches in northern Trinity, and 4 to 8 inches in the Salmon and Scott Mountains with up to 13 inches on peaks and ridges through Sunday morning. Gusts as high as 35 to 60 mph will create slick roads, reduced visibility, difficult mountain travel, and hazardous conditions over Scott Mountain Pass. I-80, US-395, US-6, CA-3, CA-44, CA-96, CA-139, CA-299 impacted.

— Central California, the Sierra Nevada, the Lake Tahoe area, and Mono County: Winter Storm Warning through Sunday night, with heavy snow of 1 to 2 feet common above 4500 feet, locally 3 to 4 feet at the highest peaks, 2 to 8 inches below 8000 feet in Mono County, 6 to 10 inches around Lake Tahoe with 12 to 28 inches above 7000 feet, and 10 to 30 inches above 7000 feet near Yosemite. Wind gusts as high as 50 to 90 mph will create whiteout conditions, snow-covered passes, and very difficult to impossible travel. Sierra passes, I-80, US-50, US-395, and US-6 impacted.

— Parts of central and northern California: A few severe thunderstorms are possible this afternoon into evening, with isolated strong to severe storms capable strong wind gusts. Brief downpours, sudden gusts, and locally hazardous travel are possible. I-80, US-101, CA-1 impacted.

— Mojave Desert slopes: Wind Advisory through Sunday night with southwest winds 20 to 30 mph and gusts up to 50 mph. Hazardous crosswinds for high-profile vehicles and difficult travel are likely. US-395, CA-14, CA-58 impacted.

— Ventura County and the San Gabriel Mountains: Winter Weather Advisory beginning late this evening and continuing into Monday morning, with wet snow up to 6 inches above 6000 feet and wind gusts up to 40 mph. Slick roads and slower travel are likely on mountain routes and higher passes. I-5, CA-2, CA-33 impacted.

Weather Impacts Mountain Time Zone:

— Much of Wyoming and Colorado, parts of eastern Utah, and eastern and northern New Mexico: Isolated strong to severe thunderstorms producing hail and strong wind gusts will be possible this afternoon into evening. The greatest risk of severe weather will be across parts of eastern New Mexico. I-25, I-40, I-70, I-76, I-80, I-90 potentially impacted.

— Northeastern Wyoming and southwestern South Dakota: Red Flag Warning beginning around midday and continuing through late evening, with gusts up to 45 mph. Dry, breezy conditions will support critical fire weather and could quickly worsen travel near any wildfire activity. I-90, US-14, US-16 US-85 impacted.

— South-central and southeast Colorado: Red Flag Warning beginning late Sunday morning and continuing through Sunday evening, with gusts up to 45 to 55 mph and very low humidity. Dry winds and wildfire risk will make roadside fire starts spread quickly and could create difficult travel for any vehicles exposed to blowing dust and smoke near active fires. I-25, US-24, US-50, US-160, US-287 impacted.

— South-central and southeastern Arizona: Red Flag Warning beginning Sunday midday and continuing through Sunday evening, with southwest winds 18 to 25 mph and gusts 35 to 40 mph. Dry winds and wildfire risk will support rapid fire spread and could create dangerous conditions near any active fire zones. I-10, I-19, US-70, US-191 impacted.

Weather Impacts Central Time Zone:

— Much of Nebraska, Kansas, Iowa, and central and westernTexas and Oklahoma, plus parts of northwest Missouri, southern Minnesota, and central and western Wisconsin: Scattered thunderstorms producing hail and strong wind gusts will be possible this afternoon into evening, with more isolated strong to severe thunderstorms elsewhere across the central Plains, and upper Mississippi Valley. The greatest risk of severe weather will be across central and western Texas. I-10, I-20, I-27, I-29, I-35, I-39, I-40, I-44, I-70, I-80, I-90, and I-94 potentially impacted.

— Texas and central and southern Oklahoma: Flash flooding is possible this afternoon through Sunday morning as strong to severe thunderstorms develop and merge into a large cluster of heavy rain. Rainfall totals of 2 to 4 inches are possible from the Concho Valley in West Texas to the Red River Valley in southern Oklahoma, which may lead to water over roads and flooding in low spots. I-10, I-20, I-27, I-30, I-35, I-40, and I-44 potentially impacted.

— Much of Texas, Oklahoma, and Kansas north and northeast through eastern Nebraska, western Missouri, much of Iowa, southeast Minnesota, central and western Wisconsin, western Arkansas, and northwest Louisiana: Isolated severe thunderstorms are possible Sunday into Sunday night as numerous showers and thunderstorms develop from the southern and central Plains into the Upper Midwest. The greatest risk of severe weather will be across Texas, Oklahoma, and central and eastern Kansas. I-2, I-10, I-20, I-27, I-29, I-30, I-35, I-37, I-39, I-40, I-44, I-45, I-49, I-70, I-80, I-90, and I-94 potentially impacted.

— Parts of central and southern Texas: Flash flooding is possible Sunday through Sunday night as multiple rounds of strong to severe storms persist near a meandering dry line, with backbuilding cells and limited eastward progression. Rainfall totals of 1 to 2 inches may lead to flash-flood concerns from Hill Country to the I-35 corridor south of Dallas. I-10, I-20, I-30, I-35, I-37, and I-45 potentially impacted.

— Texas north through Oklahoma, eastern Kansas, southeast Nebraska and far-eastern South Dakota, western and northern Missouri, much of Iowa and Wisconsin, central and southern Minnesota, and northern Illinois: Severe thunderstorms are possible Monday into Monday night across the Upper Mississippi Valley, Great Lakes region, and southern Plains. The greatest risk of severe weather will be across Texas, much of Wisconsin, central and southern Minnesota, and central and northern Iowa. I-10, I-20, I-27, I-29, I-35, I-39, I-40, I-41, I-43, I-44, I-55, I-57, I-70, I-80, I-88, I-90, I-94 potentially impacted.

— A part of northwest Wisconsin: Flood Watch from this evening through Wednesday morning. Around 1 to 3 inches of rain is expected to fall over several inches of lingering snowpack along the South Shore of Lake Superior. Areas of minor flooding are possible in the Bayfield Peninsula and east over northern Ashland and Iron counties. US-2, US-8, US-63 potentially impacted.

— Much of central and western Kansas: Dense Fog Advisory through late morning, with visibility down to one quarter mile or less in some areas. Hazardous driving conditions and sudden visibility loss are likely, especially along the I-70 corridor.

— A portion of northeast Oklahoma: Dense Fog Advisory through mid-morning. I-44 impacted.

— Southeast Louisiana and southern Mississippi: Dense Fog Advisory through mid-morning, with visibility down to one quarter mile or less. Hazardous driving conditions are likely on coastal and inland routes this morning. I-10, I-12, I-55, and I-59 impacted.

Weather Impacts Eastern Time Zone:

— Michigan Upper Peninsula and far northern Michigan Lower Peninsula: Flood Watch beginning late this evening and continuing through Wednesday morning, with periods of rain, some heavy at times, especially during thunderstorms. High water in low-lying areas and flooding concerns are possible as repeated rainfall and runoff continue. I-75, US-2 US-41 impacted.

— Much of Michigan, parts of northern Indiana and northwest Ohio: Severe thunderstorms are possible Monday into Monday night across the Great Lakes region. I-65, I-69, I-70, I-72, I-74, I-75, I-80, I-90, I-94, and I-96 potentially impacted.

— Southwestern Maine: Elevated fire spread conditions are expected through this afternoon, with gusts up to 35 mph and a very dry air mass over dry fuels. Any fire start could spread quickly and create brief smoke-related travel problems. I-95 impacted.

— Southern New England and southeastern New York: Elevated fire spread conditions are expected through early evening, with northwest winds frequently gusting 20 to 35 mph and relative humidity falling to around 20 to 35 percent. Any fire start could spread quickly and create localized travel problems from smoke and emergency response activity. I-78, I-80, I-84, I-87, I-88, I-90, I-91, I-93, and I-95 impacted.

— Coastal southeast Georgia into far northeast Florida: Patchy dense fog through late morning may reduce visibility below one half mile in spots. Hazardous driving conditions are possible early, especially near the I-95 corridor. I-10 and I-95 impacted.

Learn More about RV Weather

Subscribe to RV Weather
99¢ 7-day trial

Looking for real-time road conditions? Here’s a link, courtesy of the Federal Highway Administration, to all the individual State 511 websites.