Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1027 AM PDT Fri Aug 22 2025

IDZ007-008-241730-
/O.NEW.KMSO.HT.Y.0007.250823T1900Z-250828T0400Z/
Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region-
1027 AM PDT Fri Aug 22 2025

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 PM PDT
WEDNESDAY...

* WHAT...Major risk of heat effects expected.  Temperatures reaching
  100 to 107 in the lower valleys, with nighttime temperatures only
  dropping into the upper 60s.

* WHERE...Lower Hells Canyon/Salmon River Region and
  Orofino/Grangeville Region.

* WHEN...From noon Saturday to 9 PM PDT Wednesday.

* IMPACTS...This level of heat affects anyone without effective
  cooling and/or adequate hydration. Impacts likely in some health
  systems, heat-sensitive industries and infrastructure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

IDC035-049-251800-
Clearwater-Idaho-
438 PM MDT Sat Aug 23 2025 /338 PM PDT Sat Aug 23 2025/

An Air Quality Alert has been issued by the following agencies:

Idaho Department of Environmental Quality in Lewiston
Nez Perce Tribe ERWM Air Quality Program

* WHAT...Air Quality Advisory due to smoke from wildfires.

Air Quality Index is forecast to be Unhealthy.

* WHERE...Clearwater and Idaho Counties and the Nez Perce
  Reservation.

* WHEN...Until Monday morning, August 25th.

* IMPACTS...Those who experience health effects from smoke include
  children under 18, elders, pregnant women, people with asthma
  or have difficulty breathing, diabetes, heart problems or
  otherwise compromised health, and people who have high exposure
  (those who work, exercise, or spend extensive time outdoors).

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Under the most severe pollution level, sensitive groups should avoid
outdoor exposure and limit indoor activities, and everyone should
restrict their outdoor activities.

Idaho Department of Health and Welfare
https://healthandwelfare.idaho.gov/health-wellness/environmental-
health/idaho-wildfire-and-smoke-information

Idaho Smoke Information Hotline: 1-800-345-1007

Lewiston Regional Office: (208) 799-4370.

$$

IDZ007-251600-

Air Quality Alert Message
Nez Perce Tribe ERWM Air Quality Program
Relayed by National Weather Service Missoula MT
1256 PM PDT Fri Aug 22 2025

...AIR QUALITY ADVISORY ISSUED FOR THE NEZ PERCE RESERVATION...

* WHAT...Air Quality Advisory due to smoke from wildfires.

Air Quality Index ranging from Moderate to Very Unhealthy.

* WHERE...All Areas on the Nez Perce Reservation.

* WHEN...Until 09:00 AM PDT Monday, August 25th

* IMPACTS...Those who experience health effects from smoke include
  children under 18, elders, pregnant women, people with asthma
  or have difficulty breathing, diabetes, heart problems or
  otherwise compromised health, and people who have high exposure
  (those who work, exercise, or spend extensive time outdoors).

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Under the most severe pollution level, sensitive groups should avoid
outdoor exposure and limit indoor activities, and everyone should
restrict their outdoor activities.

Idaho Department of Health and Welfare
https://healthandwelfare.idaho.gov/health-wellness/environmental-
health/idaho-wildfire-and-smoke-information
Idaho Smoke Information Hotline:
1-800-345-1007

&&

LAT...LON 4620 11645 4615 11620 4621 11615 4621 11607
      4623 11601 4629 11612 4641 11620 4641 11630
      4647 11637 4650 11637 4650 11645 4656 11645
      4657 11625 4614 11589 4599 11596 4612 11648

$$

Hazard Report Provided By forecast.weather.gov