Alaska Minor Frost Advisory | Effective 09/01/2026 06:39

Headline: 
Frost Advisory issued September 1 at 5:39AM AKDT until September 2 at 9:00AM AKDT by NWS Anchorage AK
Event: 
Frost Advisory
Urgency: 
Expected
Effective: 
September 1, 2026 - 6:39am
Expires: 
September 1, 2026 - 5:15pm
Description: 
* WHAT...Temperatures as low as 28 degrees will result in frost formation. * WHERE...Colder locations throughout the Anchorage Bowl and Lower Matanuska Valley. * WHEN...Through 9 AM AKDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The cold airmass and clear skies observed this morning are expected again tonight through early Wednesday morning. Many areas of Anchorage and the Matanuska Valley will see colder than normal temperatures with lows in the mid 30s to lower 40s. Typical cold areas of Anchorage and the Matanuska Valley, such as Butte, Muldoon, Campbell Tract, and the Eagle River Valley, are susceptible to near or below freezing temperatures from 2 AM through 9 AM AKDT Wednesday morning.
Instruction: 
Protect tender plants from the cold.
Area Description: 
Anchorage; Lower Matanuska Valley
Forcast Office: 
NWS Anchorage AK
Sender: 
w-nws.webmaster@noaa.gov