Weather to Watch
Weather to Watch: November 4, 2026
Five NWS weather lessons: Southeast Alaska fronts, Gulf Coast fog, Lake Superior showers, Arctic blowing snow, and late-week New York rain.
Fronts, fog, lake-effect precipitation, and wind-driven snow offer five ways to understand the atmosphere this week. These are weather lessons, not a ranking of the most severe conditions.
1. Southeast Alaska: A quieter interval between fronts
When to watch: Wednesday, November 4, then Thursday into the weekend.
A front moving through the panhandle overnight was expected to weaken into Wednesday morning. NWS Juneau expects Wednesday to be the calmest day in this active pattern, though rain remains possible. A stronger Gulf low brings another front Thursday.
Fronts concentrate rising air, rain, and changes in wind. In the southern Klondike Highway corridor, falling temperatures can also change rain to snow. The next low can tighten the pressure difference across the region and strengthen winds again.
What to notice: Compare successive radar images and nearby wind observations for a lull followed by renewed rain and wind. A lull does not mean the wet pattern has ended. Use remote observations rather than exposed coastal or mountain locations during hazardous weather.
Source: NWS Juneau. Product timestamp November 4, 08:41 UTC; the discussion narrative is dated Tuesday evening, November 3, AKST.
2. New Orleans region: How a front helps clear fog
When to watch: Wednesday morning, November 4.
Dense fog was forecast overnight into this morning, especially across the Northshore and coastal Mississippi. The 6:15 a.m. CST update describes a cold front slowly crossing the region, with visibility expected to improve gradually through the morning.
Moist air can reach saturation as the ground cools overnight. Light winds allow fog to persist near the surface. Behind the front, drier air and daytime mixing help thin the fog and lift low clouds.
What to notice: From a safe indoor view, compare the visibility of familiar distant landmarks as winds turn west or northwest. Improving visibility may come before the low cloud deck breaks. This is a forecast of improvement, not confirmation that every location has cleared.
Source: NWS New Orleans/Baton Rouge. Updated November 4 at 6:15 a.m. CST (12:15 UTC).
3. Duluth region: A possible lake-effect rain-to-snow mix
When to watch: Thursday evening and night, November 5.
Light lake-effect precipitation may linger along Lake Superior's South Shore as colder air arrives. If surface temperatures cool enough, some snow could mix in, especially over higher terrain in Ashland and Iron counties in Wisconsin. Any accumulation is expected to be minor.
Cold air crossing warmer lake water gains heat and moisture from below. That can sustain showers downwind after broader rain begins to leave. Higher terrain adds lift, while the temperature near the ground helps determine whether rain or snow reaches the surface. Drier air arriving Friday should end the precipitation.
What to notice: Look at radar for showers lingering near the South Shore while areas farther west dry out. Compare nearby temperatures and elevation rather than assuming every lake shower will become snow.
Source: NWS Duluth. Updated November 4 at 5:42 a.m. CST (11:42 UTC).
4. Arctic Coast: Light snow can still sharply reduce visibility
When to watch: Wednesday through Friday night, November 4–6; strongest gusts Thursday morning through Friday afternoon.
NWS Fairbanks expects light snow and gusts of 30–50 mph from Utqiagvik to Kaktovik, with visibility potentially falling to half a mile or less at times. This concerns the Arctic Coast, not Fairbanks city.
A low near the coast and higher pressure farther north create a tight pressure gradient that supports strong winds. Wind can lift loose surface snow while falling snow adds more particles to the air. Visibility can deteriorate even when snowfall totals are modest.
What to notice: Use remote cameras and official observations to compare visibility with wind gusts. A whitening horizon can reflect wind-driven snow as well as new snowfall. Do not travel out to observe it.
Source: NWS Fairbanks. Issued November 4 at 4:01 a.m. AKST (13:01 UTC).
5. New York region: A front and upper-level lift can organize heavier rain
When to watch: Thursday night through Friday night, November 5–6.
Moderate to heavy rain is increasingly likely from New York City eastward. The forecast favors heavier totals over eastern Long Island and southeastern Connecticut, but the exact placement and amounts remain uncertain.
A front helps focus rising air near the surface. Above it, the arrangement of fast-moving air in the jet stream can strengthen that lift. When those ingredients overlap with a steady moisture supply, a more persistent rain band can develop.
What to notice: Compare radar loops for repeated rain over the same corridor Friday into Friday night. A long-lasting band can produce substantial totals even without frequent thunder. Follow local NWS updates for changes in its placement and any flood guidance.
Source: NWS New York. Updated November 4 at 7:04 a.m. EST (12:04 UTC).
Based on National Weather Service forecast discussions. Forecasts can change. For current forecasts and warnings, visit weather.gov.