Weather Forecast for McCarthy

Alaska, United States of America

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Current Weather - McCarthy: 9°C

Alaska, United States of America

Clear

Feels like 4°C

Wind

4 km/h NE

Humidity

74%

Pressure

1011 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Saturday, July 11, 2026

High

21°C

Low

7°C

Rain Chance

17%

Hourly Forecast

Sunny 19°C
12:00
Sunny 20°C
13:00
Sunny 21°C
14:00
Patchy rain nearby 21°C
15:00
Patchy rain nearby 21°C
16:00
Patchy rain nearby 20°C
17:00
Patchy rain nearby 20°C
18:00
Patchy rain nearby 20°C
19:00
Sunny 18°C
20:00
Sunny 17°C
21:00
Sunny 13°C
22:00
Clear 7°C
23:00
Jul 12

Day Statistics

Maximum Wind

12 km/h

Humidity

63%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

17%

Snow Chance

0%

Sun & Moon

Sunrise

04:13 AM

Sunset

11:01 PM

Moonrise

12:05 AM

Moonset

09:59 PM

Moon Phase

Waning Crescent

Moon Illumination

6%

Air Quality

PM2.5

2.9

μg/m³

PM10

3.2

μg/m³

NO₂

0.5

μg/m³

O₃

83.3

μg/m³

SO₂

0.2

μg/m³

CO

97.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Red Flag Warning issued July 10 at 9:09AM AKDT until July 11 at 7:00PM AKDT by NWS Anchorage AK

Central Copper Valley; Southern Copper Valley; McCarthy Jul 10, 09:09 AM - Jul 11, 01:15 AM
Severity: Severe Urgency: Expected

The National Weather Service in Anchorage has issued a Red Flag Warning FOR HOT DRY AND WINDY CONDITIONS, which is in effect from noon to 7 PM AKDT Saturday. * Winds...Southeast 15 to 25 mph. Gusts up to 40 mph. * Timing...Hot, dry, windy conditions expected to begin by noon, persisting into the evening, as temperatures cool by 7pm. * Relative Humidity...As low as 20 percent. * Temperatures...In the lower to mid 70s for lower elevations. * Location...Areas along the Copper and Chitina Rivers. * Impacts...Rapid ignition, growth and spread of fires will be possible.

A red flag warning means that critical fire weather conditions are imminent or occurring now, or will shortly. It is directed toward fire agencies, and through them to the public.

Event: Red Flag Warning Certainty: Likely Category: Met

Red Flag Warning issued July 10 at 2:45PM AKDT until July 11 at 7:00PM AKDT by NWS Anchorage AK

Central Copper Valley; Southern Copper Valley; McCarthy Jul 10, 02:45 PM - Jul 11, 07:00 AM
Severity: Severe Urgency: Expected

* Winds...Southeast 15 to 25 mph. Gusts up to 40 mph. * Timing...Hot, dry, windy conditions expected to begin by noon, persisting into the evening, as temperatures cool by 7pm. * Relative Humidity...As low as 20 percent. * Temperatures...In the lower to mid 70s for lower elevations. * Location...Areas along the Copper and Chitina Rivers. * Impacts...Rapid ignition, growth and spread of fires will be possible.

A red flag warning means that critical fire weather conditions are imminent or occurring now, or will shortly. It is directed toward fire agencies, and through them to the public.

Event: Red Flag Warning Certainty: Likely Category: Met