Weather Center: Alaska

NWS warnings: current · no activity

NWS warnings: Current · no activity; checked 04:45Z.

WPC selected forecast: Feed current; checked 04:45Z.

Checked means retrieved, not newly issued. Each graphic retains its issue, observation, initialization or valid time. Site publishing status is separate.

Hazard & forecast product

WPC Day 3 Excessive Rainfall Outlook, Sunday 18 Oct

Source: WPC

Forecast: WPC’s scale

1 · Marginal

View scale

1 · Marginal
2 · Slight (not outlined)
3 · Moderate (not outlined)
4 · High (not outlined)

WPC Day 3 Excessive Rainfall Outlook, valid 18 Oct 12:00Z to 19 Oct 12:00Z, issued 16 Oct 19:17Z · Data: NOAA/WPC.Alaska is outside this map, which draws the conterminous states; its warnings are listed below.

Everything on the map, as a list

WPC Day 3 Excessive Rainfall Outlook: Marginal

Briefing details · Where, When, Main hazards

Sunday briefing for Alaska

Highest anywhere in Alaska: no outlook here

SPC and WPC issue outlooks for the lower 48 states only; Alaska’s warnings are listed with the current alerts.

Where: Alaska is outside the area SPC’s and WPC’s outlooks cover, the lower 48 states.
Prepare: Alaska has no SPC or WPC outlook to prepare from; follow its warnings in Current alerts.

Official discussion

WPC’s discussion held was issued 00:58Z, and the map 16 Oct 19:17Z: they are different issuances, so the text is not shown with this map until the matching one is read.

WPC’s outlook page

Forecast details

The chance that rainfall exceeds flash flood guidance within 40 km (25 miles) of a point during the valid period, as WPC defines its categories. Marginal is at least 5%, Slight 15%, Moderate 40% and High 70%. WPC’s categories are separate from SPC’s severe-storm categories, and an outlook category is not a warning: a Flash Flood Warning means flooding is happening or imminent. WPC’s definitions.

Current alerts

No warning touches Alaska.

Open live tracker

NWS alerts checked 04:45Z · Data: NOAA/NWS

Sources & update times

SPC Day 1 outlook issued 00:50Z · Data: NOAA/SPC

SPC Day 2 outlook issued 16 Oct 17:24Z · Data: NOAA/SPC

SPC Day 3 outlook issued 16 Oct 19:22Z · Data: NOAA/SPC

SPC discussions checked 04:45Z · Data: NOAA/SPC

SPC storm reports checked 04:45Z · Data: NOAA/SPC

WPC Day 1 outlook issued 00:56Z · Data: NOAA/WPC

WPC Day 2 outlook issued 16 Oct 19:17Z · Data: NOAA/WPC

WPC Day 3 outlook issued 16 Oct 19:17Z · Data: NOAA/WPC

Each feed is judged on its own clock. The masthead’s reading is the site’s publishing health, which is a different thing: a publishing delay does not make a freshly read warning stale, and a fresh check does not make an old outlook newly issued.

Coming days · Alaska

2026-10-17Severe storms: Outside lower-48 outlook coverageFlash flooding: Outside lower-48 outlook coverage 2026-10-17Severe storms: Outside lower-48 outlook coverageFlash flooding: Outside lower-48 outlook coverage 2026-10-18Severe storms: Outside lower-48 outlook coverageFlash flooding: Outside lower-48 outlook coverage

These are daily outlooks, not arrival times. Days 4–8 retain SPC’s predictability and potential-too-low wording in the dated outlook controls.

Severe storms

General thunderstorms at its highest nationally. SPC’s convective outlook, on its own scale.

View severe outlook

River flooding

1 gauge in flood in Alaska, observed or forecast.

Minor flooding Kwigillingok Tidal Gage, AK (forecast)

A gauge measures its river at that spot; it does not say whether a particular road or neighbourhood floods. Flash flooding is in the warnings.

Gauges in the Live tracker

Recent reports

Reporting period: 12Z 16 Oct – 12Z 17 Oct

0 tornado · 0 wind · 0 hail in Alaska

Preliminary reports: a count of reports, not of storms. None reported is not proof that nothing happened.

View reports: map, table & download

No watches or mesoscale discussions in Alaska. Watches, discussions and warnings in the Live tracker

Not an official warning service. Warnings and watches are the National Weather Service’s, outlooks and reports the Storm Prediction Center’s and the Weather Prediction Center’s (Data: NOAA/NWS, NOAA/SPC, NOAA/WPC). When a warning is issued for you, act on it, and use weather.gov or a NOAA Weather Radio for where you are.

Weather Center