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Chevak, AK Weather Forecast

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Overcast

52°F

Updated	10:16 am
Feels Like	50°F
Humidity	0%
Wind	SSW 8 mph
Barometer	29.94 in
Dew Point	32°F

Overcast

11°C

Updated	10:16 am
Feels Like	10°C
Humidity	0%
Wind	SSW 13 km/h
Barometer	101.4 kPa
Dew Point	0°C

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Cloud Cover	100%
Wind Chill	-13°F -25°C
Sunrise	7:21 AM
Sunset	10:50 PM
Moonrise	6:35 PM
Moonset	10:50 PM

Civil Twilight
6:26 AM to 7:19 AM
10:48 PM to 11:41 PM
Chevak AK Weather - First Quarter Moon

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Chevak Weather Forecast

TODAY	TONIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT	MONDAY	MONDAY NIGHT

Scattered Showers	Isolated Showers	Isolated Showers	Scattered Showers	Showers	Showers	Showers Likely	Chance of Showers	Chance of Showers	Showers	Showers	Showers
Hi: 55°FHi: 13°C	Lo: 49°FLo: 9°C	Hi: 55°FHi: 13°C	Lo: 47°FLo: 8°C	Hi: 55°FHi: 13°C	Lo: 50°FLo: 10°C	Hi: 55°FHi: 13°C	Lo: 45°FLo: 7°C	Hi: 55°FHi: 13°C	Hi: 55°FHi: 13°C Lo: 50°FLo: 10°C	Hi: 55°FHi: 13°C Lo: 50°FLo: 10°C	Lo: 50°FLo: 10°C

POP = Probability of Precipitation.

Weather Outlook Updated: 447 AM AKDT Wed Aug 19 2026 Chevak, AK Weather - WeatherWorld.com

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Issued: 522 AM AKDT Wed Aug 19 2026

Key Messages

Temperatures warm into the mid 60s/low 70s Wednesday and Thursday as a ridge builds into the Central and Eastern Interior. The warmest temperatures are expected in the Yukon Flats and Upper Tanana Valley, and the latter will see another couple of days of near- critical fire weather conditions.
An isolated thunderstorm or two cannot be ruled out in Fortymile Country Wednesday and Thursday. Chances for isolated thunderstorms are more likely as the ridge br...

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Weather 101: Term of the Day

Boundary Layer

In general, a layer of air adjacent to a bounding surface. Specifically, the term most often refers to the planetary boundary layer, which is the layer within which the effects of friction are significant. For the earth, this layer is considered to be roughly the lowest one or two kilometers of the atmosphere. It is within this layer that temperatures are most strongly affected by daytime insolation and nighttime radiational cooling, and winds are affected by friction with the earth's surface. The effects of friction die out gradually with increasing height, so the "top" of this layer cannot be defined exactly. There is a thin layer immediately above the earth's surface known as the surface boundary layer (or simply the surface layer). This layer is only a portion of the planetary boundary layer, and represents the layer within which friction effects are more or less constant throughout (as opposed to decreasing with height, as they do above it). The surface boundary layer is roughly 10 meters thick (from the surface up to 10 m above the ground), but again the exact depth is indeterminate. Like friction, the effects of insolation and radiational cooling are strongest within this layer.