Wildfire in Inland Kuskokwim Delta, Alaska

No significant new wildfire starts, but critical fire weather conditions were observed. The Bethel ASOS recorded temperatures at or near 75F combined with sustained winds around 15 to 20 mph and relative humidity values between 20 and 25 percent. Conditions meeting Red Flag criteria were observed between 3:30 PM and 6:30 PM AKST 6/3/26 at the ASOS site.

An area of offshore winds between high pressure over the northern Bering Sea and northwest portions of the Alaska Mainland and a low over the Gulf of Alaska combined with a very warm and dry airmass to produce critical fire weather conditions across parts of Southwest Alaska during the afternoon and evening hours on June 3rd, 2026. Temperatures rose as high as 81 degrees (observed in King Salmon) with sustained winds as strong as 20 mph and minimum relative humidity values as low as 20%. Similar conditions were observed over a smaller area close to the Alaska Range the next day (June 4th) close to Lake Iliamna.