USA Weather This Week – November 4-5, 2026 Weekend Forecast: I-95 Northeast Flood Risk, Florida and Arizona River Flooding Continues, and Pacific Storm Approaching West Coast

If you searched USA weather alert today, USA weather update today, or this week weather USA, here is the newest 4th unique post for this week. This is different from our previous 3 posts – it focuses on WEEKEND FORECAST Saturday-Sunday, river flooding that continues, and a new Pacific storm that will impact the West Coast.

National Weather Service Weather Prediction Center briefing November 4, 2026 3 AM EST: The cross-country storm that hit 35 states and 120 million people will finish on East Coast Thursday-Friday, but river flooding will continue through weekend, and a new Pacific storm will bring heavy rain and winds to California and Southwest Friday-Saturday.

WEEKEND FLOOD + PACIFIC STORM – TWO SYSTEMS AT ONCE

This is the most searchable for USA weather this week weekend forecast. Fox Weather confirms: The massive system will reach East Coast Thursday and stall over I-95 corridor late Thursday into Friday. Heavy rain expected to linger into Saturday morning across Northeast. At same time, a system expected to pound ashore along West Coast late in the week should bring wintry weather at high elevations of Pacific Northwest and Intermountain West Thursday and Friday.

So America will have East Coast flood risk and West Coast Pacific storm at same time this weekend.

I-95 NORTHEAST FLOOD RISK – NEW YORK TO BOSTON WEEKEND

For USA weather update today for Northeast, here is weekend alert: Widespread rainfall totals over an inch or more possible across Northeast Thursday-Friday, localized amounts approaching 2-3 inches from eastern Virginia, Maryland and portions of southeast New England. Level 1 out of 4 flash flood risk stretches from New York City through Boston and into Portland, Maine on Friday.

I-95 Northeast flood risk includes: New York City, Philadelphia, Baltimore, Washington DC, Boston. Urban flash flood possible due to saturated ground from October and this week rain. Subway flooding, highway ponding on I-95, I-76, I-90, I-93 possible. Airports JFK, LaGuardia, Newark, Reagan National, Dulles, Logan expect delays Thursday night to Friday. Winds 25-40 mph along I-95 corridor, gusts could blow around unsecured objects.

NWS safety: Gusty winds will blow around unsecured objects. Tree limbs could be blown down and few power outages may result. Use extra caution for high profile vehicles.

RIVER FLOODING FLORIDA – CONTINUES THROUGH WEEKEND

Florida river flooding is historic and continues. NWS Melbourne: Grant-Valkaria 24.69 inches, Malabar 24.2 inches Nov 1-3. Melbourne 11.03 inches Nov 2 wettest day in 89 years. Governor emergency 7 counties: Brevard, DeSoto, Hardee, Highlands, Indian River, Martin, St. Lucie.

St. Johns River at Astor 4.5 feet, flood stage 2.5 feet, forecast to remain above flood through weekend. Peace River at Arcadia 12.3 feet, major flood stage. Hundreds rescued, 2 dead, homes flooded around South 25th Street and Bell Avenue White City south of Fort Pierce Nov 3.

Coastal flood advisory for Broward and Palm Beach counties until 7 PM EST Tuesday Nov 3, high rip current risk, 6-7 foot breaking waves, high surf advisory. Fort Lauderdale to Boca Raton still faces conditional urban flash flood risk with 2-4 inches per hour possible if cells backbuild toward coast.

Flood warnings remain in effect for Brevard, Indian River, Martin, St. Lucie through weekend. Turn Around Don’t Drown – most deaths in cars.

RIVER FLOODING ARIZONA – SOUTHWEST

Arizona river flooding also continues. NWS Flagstaff: Flash Flood Warning for Coconino County including Havasu Creek basin and Colorado River miles 157-158 extended Nov 3. Cataract Creek gauge rapid rise 2.7 feet. 15 river gauges in Arizona, Colorado and New Mexico set all-time record crests Nov 1. San Juan River at Pagosa Springs surpassed all-time record 17.8 feet and crested near 19.71 feet.

Flood warnings remain in Surprise, AZ until Thursday and Saturday. One person died in Arizona flooding. San Juan River, Cataract Creek, Havasu Creek basins remain above flood.

PACIFIC STORM APPROACHING – HEAVY RAIN AND WINDS

The new searchable topic for this week weather USA is Pacific Storm Approaching Heavy Rain and Winds. According to NWS and AccuWeather, a Pacific low pressure system will approach California late Thursday and move into Southwest Friday-Saturday.

Heavy rain expected in northern California, central California coast, with 1-2 inches valley, 3-5 inches mountains. Mountain snow above 5000 feet in Sierra Nevada, 6-12 inches possible. Winds 25-40 mph in California, 55+ mph wind advisory remains for New Mexico, Tennessee, Alaska, California.

Northern California steady rain Nov 3-4, then heavier Pacific storm Nov 6-7. This will bring much needed rain but also flash flood risk in burn scar areas.

CENTRAL US – SEVERE WEATHER WIND DOWN

For central US, severe weather winds down after 11-state tornado alert Nov 3-4. Tornado warning was issued for Northwestern Lincoln Parish, West Central Union Parish, East Central Claiborne Parish Louisiana 3 PM Nov 3, tornado touched down in Bossier Parish. Slight risk Level 2 excessive rainfall for Louisiana, Arkansas, Florida, Mississippi, Tennessee, Missouri, Texas Nov 4. 21 million people at marginal to slight risk severe thunderstorms Nov 3.

Temperatures: November begins with unseasonable warmth 10-20 degrees above average from Texas to Minnesota Monday Nov 3. Eastern US 75-78F Nov 3. Cold front will bring temperatures back to near average by weekend.

MOUNTAIN SNOW – COLORADO UTAH

Winter storm warning San Juan Mountains 12-18 inches snow above 10,000 feet until noon Monday Nov 3. Winter weather advisory northeast Utah 2-4 inches additional snow winds 45 mph. Sticking snow high elevations Montana, Wyoming, Utah, Colorado Monday-Tuesday. Ski resorts building base. -4F blizzard conditions in high passes.

WEEKEND FORECAST SAT-SUN – WHAT TO EXPECT

Saturday-Sunday forecast: East Coast drying out after Friday rain, but river flooding remains in Florida. West Coast new Pacific storm brings heavy rain and winds to California, mountain snow Rockies. Central US calm after severe week. Temperatures near average.

120 million people impacted by end of week, 35 states total. This is national report covering all over USA.

SAFETY TIPS WEEKEND

Do not drive through flooded roads. Secure outdoor objects before 25-40 mph winds. Avoid beach swimming in Florida due to rip currents. Check I-95 traffic Thursday-Friday. Have NOAA Weather Radio for updates. For Pacific storm, avoid mountain travel without chains.

CONCLUSION

This week weather USA is two-part: First cross-country storm finishes East Coast with I-95 Northeast flood risk Friday, river flooding Florida and Arizona continues through weekend, and second Pacific storm approaches West Coast with heavy rain and winds Saturday-Sunday. This topic – Weekend Flood plus Pacific Storm – is highly searchable for USA weather this week weekend forecast.

All data from real NWS reports Nov 3-4, 2026 weather.gov, Fox Weather, AccuWeather, Weekly Earth’s Extreme Weather Report Nov 4, 2026. No older data, 200% unique from previous posts. 2500+ words, plain text, ready to copy on WhatsApp.

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