North America Weather & Natural Hazards Today — November 9, 2026

By Paul Harrison | Orbis Weather

Published: Monday, November 9, 2026

Coverage: United States, Canada, Mexico, Alaska, Hawaii, Greenland and surrounding waters.

North America Weather Overview: Pacific Storms, Flooding Concerns and Early Winter Weather

North America begins the new week with a developing series of Pacific storms, heavy rainfall threats, mountain snow, and unsettled weather stretching from western Canada into the United States and Mexico.

The most significant weather developments include a prolonged stormy period expected along British Columbia’s coast, flooding concerns in southern Texas, and heavy rainfall associated with a stationary front across northeastern Mexico.

Meanwhile, early-season winter conditions remain an important concern across northern and mountainous regions as November brings increasingly frequent cold fronts.

The Atlantic tropical outlook is relatively quiet, with the National Hurricane Center forecasting no tropical cyclone formation during the next seven days.

Today’s Key Weather Hazards

These are regional hazard summaries, not a comprehensive list of active watches and warnings.

1. United States Weather Today

Pacific Northwest: Rain, Wind and Mountain Snow

A series of cold fronts is expected to maintain unsettled weather across Washington, Oregon and the surrounding Pacific Northwest this week.

According to the National Weather Service, the pattern includes periods of gusty winds, rain at lower elevations and snow across higher mountain terrain.

Potential impacts include reduced visibility on mountain highways, wet roads, rapidly changing driving conditions and difficult travel through exposed mountain passes.

Travelers crossing the Cascades should monitor road conditions and elevation-specific snow forecasts rather than relying on forecasts for nearby cities.

Southern Texas: Heavy Rain and Flooding Threat

Southern Texas is another important area to watch.

The National Weather Service highlights heavy rain and thunderstorms capable of producing excessive rainfall and localized flooding through Monday morning.

Flooding can develop quickly in urban areas, low-water crossings and locations with poor drainage.

Residents should avoid flooded roadways and monitor local flash flood warnings.

Central and Northern United States: Winter Weather Awareness

Across the northern states, November marks a transition toward more frequent winter weather.

Cold fronts can produce sharp temperature changes, strong winds, and rain changing to snow, particularly at higher elevations.

The Weather Prediction Center’s national hazard outlook identifies a heavy-snow risk category for Tuesday, November 10, although the national summary alone does not establish which individual communities will experience significant accumulations.

Drivers should check local National Weather Service forecasts for snowfall amounts, wind chills and road conditions.

Eastern and Southeastern United States

Across the eastern United States, the principal hazards to monitor during this time of year include passing frontal systems, gusty winds, thunderstorms and overnight temperature changes.

Local forecasts are essential because conditions can differ substantially between the Great Lakes, Northeast, Mid-Atlantic and Southeast.

For Florida and the Gulf Coast, residents should continue monitoring marine forecasts and the Atlantic tropical outlook through the remainder of hurricane season.

2. Canada Weather Today

British Columbia: A Prolonged Period of Pacific Storms

Western Canada faces one of the more significant weather developments in today’s North American outlook.

Environment and Climate Change Canada issued special weather statements early Monday, November 9, warning that a series of strong autumn storms could bring substantial rainfall and strong winds to British Columbia from Tuesday through Thursday.

Affected areas include Metro Vancouver, Vancouver Island, the Sunshine Coast, Howe Sound, the Fraser Valley and the Sea-to-Sky corridor.

The North Coast and Central Coast are also included in the broader storm outlook.

The greatest rainfall accumulations are expected in mountainous terrain and areas exposed to persistent upslope precipitation.

Potential hazards include localized flooding, water pooling, difficult driving conditions, and rising rivers or streams.

Recent rainfall has already affected parts of the coast, increasing concern about additional precipitation.

Environment Canada notes that exact rainfall totals remain uncertain and that more specific warnings may follow as the storms approach.

Canadian Prairies and Central Canada

Across Alberta, Saskatchewan and Manitoba, the seasonal transition toward winter makes changing temperatures, freezing precipitation and reduced visibility important considerations.

In Ontario and Quebec, residents should monitor local forecasts for frontal systems, overnight freezing temperatures and changing road conditions.

No specific province-wide severe weather emergency is established for these regions by the verified sources used in this report.

Atlantic Canada

Nova Scotia, New Brunswick, Prince Edward Island and Newfoundland and Labrador can experience strong coastal winds, heavy rain and rough seas during autumn.

Mariners and coastal communities should monitor Environment Canada’s latest marine forecasts and warnings.

Northern Canada and Arctic Regions

Yukon, the Northwest Territories and Nunavut are entering a period of prolonged winter conditions.

Low temperatures, ice, snow and limited daylight can increase travel risks, particularly in remote communities.

This is seasonal context rather than confirmation of a new regional weather emergency today.

3. Mexico Weather Today

Northeastern Mexico: Heavy Rainfall Associated With Stationary Front

Mexico’s Servicio Meteorológico Nacional (SMN) reports that stationary frontal system No. 4 continues to influence eastern and northeastern Mexico on November 9.

Interaction between the front and a low-pressure trough is expected to generate significant rainfall, particularly across Tamaulipas, Nuevo León and Veracruz.

Cooler air associated with the frontal system will also maintain lower temperatures across northern and northeastern Mexico.

Mexico Rainfall Forecast — November 9

Source: Mexico’s SMN, general forecast issued at 6:00 a.m. Mexico City time, November 9, 2026. Amounts are forecast rainfall ranges for affected areas, not guaranteed totals for every location.

Flash Floods, Landslides and Thunderstorms

The Mexican weather service warns that heavier thunderstorms may produce lightning, gusty winds and hail.

Heavy rainfall could increase river and stream levels and cause localized flooding, particularly in low-lying areas.

Landslides are also a concern in vulnerable mountainous terrain.

Residents in affected states should monitor Civil Protection announcements and avoid crossing flooded roads or streams.

4. Alaska, Hawaii and Greenland

Alaska: Earthquake and Winter Hazards

Alaska remains one of North America’s most seismically active regions.

The USGS earthquake catalog includes activity across Alaska on November 9, including a magnitude 1.6 earthquake east-southeast of Chickaloon and a magnitude 2.2 earthquake west of Anderson. These small events do not, by themselves, indicate a major earthquake emergency.

Snow, freezing temperatures, strong winds and coastal storms are additional seasonal hazards. Travelers should consult local National Weather Service offices for current conditions.

Hawaii: Volcanoes, Rainfall and Ocean Conditions

Hawaii’s natural hazards include volcanic activity, earthquakes, flash flooding and hazardous surf.

Volcanic emissions can create volcanic smog, commonly called vog, which may affect air quality and visibility.

The EPA’s AirNow service advises residents to monitor conditions because vog concentrations can fluctuate with volcanic activity and changing winds.

This report does not establish a new volcanic eruption, tsunami warning or statewide flood emergency for November 9.

Greenland: Arctic Weather and Ice Conditions

Greenland faces seasonal hazards associated with Arctic weather, including strong winds, snowfall, sea ice and rapidly changing coastal conditions.

For aircraft, shipping and remote communities, reliable local forecasts are particularly important.

No specific new Greenland-wide natural disaster was verified for this edition.

5. Atlantic Hurricane and Tropical Storm Outlook

The National Hurricane Center’s Atlantic Tropical Weather Outlook, issued at 1:00 a.m. EST on Monday, November 9, reports that tropical cyclone formation is not expected during the next seven days across the North Atlantic, Caribbean Sea and Gulf of Mexico.

This is encouraging news for coastal communities, although it does not mean all marine hazards have disappeared.

Strong non-tropical weather systems can still produce dangerous waves, coastal flooding and high winds.

The official Atlantic hurricane season continues through November 30.

Official source: NOAA National Hurricane Center

6. Earthquakes and Seismic Activity

Earthquake monitoring remains important across western North America, particularly Alaska, California, the Pacific Northwest and Mexico.

The Pacific margin contains several major tectonic boundaries capable of producing damaging earthquakes and, in some circumstances, tsunamis.

Recent Selected Earthquakes

Selected events reported in a USGS-derived earthquake listing accessed November 9. This is not a complete earthquake catalog. Preliminary magnitudes and locations may be revised.

An earthquake’s magnitude alone does not determine damage. Depth, distance from communities, local geology and building vulnerability all influence impacts.

For current earthquake data, visit the USGS Latest Earthquakes Map.

7. Wildfires, Smoke and Air Quality

Wildfire and smoke monitoring remains relevant across western North America, even as autumn precipitation reduces fire danger in some areas.

Strong winds, dry vegetation and periods of unusually warm weather can still support fire activity.

Wildfire smoke may travel considerable distances and affect communities far from an active fire.

The U.S. Environmental Protection Agency uses the Air Quality Index (AQI) to communicate health risks from air pollution.

These are standard AQI categories, not measurements for November 9.

People with respiratory or cardiovascular conditions should pay particular attention to elevated particle pollution.

Official monitoring: EPA AirNow Fire and Smoke Map

No comprehensive list of active North American wildfire incidents was independently verified for this report.

8. Flooding, Landslides and Severe Thunderstorms

Flooding is among the most widespread weather-related hazards across North America.

For November 9, the principal rainfall-related concerns identified by official forecasts are southern Texas and parts of Mexico, with a further prolonged rainfall episode developing for British Columbia later in the week.

Why Flooding Can Develop Quickly

Flash flooding occurs when rainfall accumulates faster than the ground, streams or drainage systems can absorb and transport it.

Urban areas are particularly vulnerable because roads, rooftops and paved surfaces reduce infiltration.

Mountainous terrain introduces additional dangers, including rapid stream rises, debris flows and landslides.

Residents in flood-prone areas should follow official warnings and avoid entering moving floodwater.

9. Temperature Outlook: November 9–11

The latest NOAA Weather Prediction Center short-range discussion indicates a generally mild to unusually warm pattern across much of the United States, following another chilly night in parts of the Southeast.

The forecast highlights:

• Northern U.S.: Many daytime highs in the 50s–60s°F (10–21°C).

• Southern U.S.: Many highs in the 60s–70s°F (16–26°C).

• Florida, Southern California and the Desert Southwest: Some highs reaching the 80s°F (27–32°C).

• Southern Texas and portions of the Four Corners: Cooler, cloudier conditions, with some highs in the 50s–60s°F (10–21°C).

These are broad regional forecast ranges, not individual city forecasts.

A warming trend is expected across much of the country during the early part of the week.

10. North America Weather Outlook: Next 72 Hours

The U.S. outlook is based on the NOAA Weather Prediction Center discussion valid through Wednesday morning, while the Canadian outlook incorporates Environment Canada’s Tuesday–Thursday special weather statements.

What to Watch Through the Rest of the Week

The key developing weather story is the series of Pacific systems affecting western Canada and the northwestern United States.

British Columbia could experience increasing hydrological impacts if successive storms produce heavy rain over already wet terrain.

Across northeastern Mexico, frontal boundaries and moisture from the Gulf of Mexico may continue supporting rainfall.

In southern Texas, the immediate heavy-rain threat is expected to diminish by Monday evening, according to NOAA’s morning forecast discussion.

11. Weather Safety and Preparedness

Residents and travelers across North America should take several practical precautions during periods of hazardous weather.

Flooding: Never drive through flooded roads. Monitor river warnings and local emergency notifications.

Winter weather: Check mountain-pass forecasts, road closures and visibility before traveling.

Strong winds: Secure loose outdoor objects and avoid downed power lines.

Thunderstorms: Move indoors when thunder is heard and avoid exposed locations.

Wildfire smoke: Check local AQI readings and reduce outdoor exposure when pollution levels become unhealthy.

Coastal conditions: Review marine forecasts, surf advisories and official warnings before boating or entering the water.

For emergencies, follow local authorities and emergency management agencies.

12. Official Weather and Natural Hazard Sources

Orbis Weather uses publicly available information from national meteorological, geological and environmental agencies. Principal references for this edition include:

13. Orbis Weather Editorial Methodology

This North America Weather & Natural Hazards Today report is prepared as a regional weather news and public-information summary.

The report combines official weather forecasts, hazard discussions and monitoring information with editorial explanations of the potential effects on communities, infrastructure and travel.

How Information Is Selected

Priority is given to weather developments that may affect public safety, transportation, property or significant population centers.

Official government forecasts and warnings take precedence over unverified social media reports.

Forecasts Versus Confirmed Events

A forecast describes conditions that may develop. It does not establish that an event has occurred.

For example, a forecast of heavy rainfall does not mean flooding has already happened.

Likewise, a region’s historical earthquake or wildfire risk does not establish a new disaster.

Verification Limitations

This edition was researched on the morning of November 9, 2026, Eastern Standard Time.

Some official products were issued overnight or early in the morning in their respective local time zones.

Not every municipality, weather station, earthquake, wildfire or warning across North America can be individually verified within a continental report.

Where current local observations or incident reports could not be confirmed, this article provides general hazard context rather than inventing measurements, warnings, damage figures or incident totals.

Readers should use the linked official agencies for the latest local information.

Corrections and Updates

Weather information changes rapidly. Orbis Weather aims to correct material factual errors and distinguish updated forecasts from previously published information.

Substantive corrections should be clearly identified when an article is revised.

14. Final Outlook: A Stormy Start to the Week in Parts of North America

North America’s weather pattern on November 9 reflects the seasonal transition toward winter, with significant regional differences.

The Pacific Northwest is experiencing an active storm track, while British Columbia is preparing for several days of potentially heavy rain and strong winds.

Southern Texas faces a short-term flash flood threat, and northeastern Mexico is dealing with heavy rainfall associated with a stationary front.

Elsewhere, much of the United States is expected to experience relatively mild temperatures, with some unsettled conditions around the Great Lakes and Northeast.

The Atlantic tropical basin remains quiet in the latest seven-day outlook.

The three most important developments to monitor are the British Columbia storm sequence, southern Texas flooding risk and heavy rainfall across northeastern Mexico.

Orbis Weather will continue covering weather systems, tropical activity, earthquakes, wildfires, floods and other natural hazards affecting North America.

Written by Paul Harrison for Orbis Weather.

Orbis Weather — Tracking Our Changing Planet.