Weather Alerts Map

Anchorage weather alerts

3 advisories are in effect for Anchorage, AK. The most serious is a winter weather advisory.

The National Weather Service issues alerts for Anchorage as part of Anchorage Municipality.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Active alerts for Anchorage

Winter Weather Advisory

Anchorage; Anchorage Hillside / Eagle RiverUntil · NWS Anchorage AK

WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 PM AKST SUNDAY

Full alert text
* WHAT...Mixed precipitation expected. Total snow accumulations
between 3 and 9 inches and ice accumulations around a light glaze.
Lowest amounts near Chugiak, highest amounts South Anchorage and
the Anchorage Hillside.

* WHERE...Anchorage and Eagle River (all elevations).

* WHEN...From 10 PM this evening to 10 PM AKST Sunday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Snow will develop by late this evening and
continue into Sunday. Warmer air will work in aloft by late Sunday
evening resulting in areas of mixed snow and freezing rain. There
is still some uncertainty as to where the band of heaviest snow
will develop with this system. If this band remains over the
Anchorage area for an extended period of time, snow amounts could
be higher.

What to do: Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.

Winter Weather Advisory

East Turnagain Arm; PortageUntil · NWS Anchorage AK

WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM AKST SUNDAY

Full alert text
* WHAT...Mixed precipitation expected. Total snow accumulations
between 6 and 12 inches and ice accumulations around a light glaze.

* WHERE...East Turnagain Arm, including Portage Valley and Girdwood.

* WHEN...From 5 PM this afternoon to 11 PM AKST Sunday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Snow will develop this evening and become
heavy at times through Sunday. By Sunday evening, the snow will
change to rain as an easterly Turnagain Arm wind develops and
temperatures quickly rise into the upper 30s. Snow and pockets of
freezing rain may linger slight longer for Girdwood before
temperatures warm above freezing.

What to do: Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.

Dense Fog Advisory

Anchorage; Lower Matanuska Valley; Southern Susitna Valley; Central Susitna ValleyUntil · NWS Anchorage AK

DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM AKST THIS MORNING

Full alert text
* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Anchorage, Central Susitna Valley, Lower Matanuska Valley,
and Southern Susitna Valley.

* WHEN...Until 11 AM AKST this morning.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...Areas of locally dense fog have developed
around Knik Arm and along parts of the Glenn and Parks Highway
overnight. Areas of dense fog are expected to linger across the
Anchorage Bowl and Mat-Su Valleys through mid morning.

What to do: A dense fog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Anchorage

1 tornadoes have been recorded within 25 miles of Anchorage since 1950. The most recent was on April 19, 2024 (rated EF0).

EF0: 1EF01EF1: 0EF1EF2: 0EF2EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Anchorage

DateRatingCountyPath lengthWidthDeathsInjuries
April 19, 2024EF0—0 mi1 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
April 19, 2024EF0—0 mi1 yd00

Alaska tornado history and map →

How often alerts are issued for Anchorage Municipality

Alert type2016–2025Last issued
Winter Weather Advisory84November 15, 2026
Dense Fog Advisory82November 14, 2026
High Wind Warning42October 29, 2026
High Wind Watch28January 25, 2025
Flood Advisory24October 19, 2026
Winter Storm Watch9November 15, 2026
Winter Storm Warning8January 27, 2026
Red Flag Warning6May 31, 2022
Flood Watch6July 19, 2026
Wind Advisory3October 30, 2026

Full Anchorage Municipality alert history →

About Anchorage