Frost Advisory

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1251 PM PDT Mon Sep 22 2025

IDZ001-WAZ037-038-231700-
/O.NEW.KOTX.FR.Y.0005.250923T0900Z-250923T1700Z/
Northern Panhandle-Northeast Mountains-Okanogan Highlands-
Including the cities of Metaline, Northport, Wauconda, Inchelium,
Newport, Republic, Bonners Ferry, Deer Park, Metaline Falls,
Boulder Creek Road, Colville, Flowery Trail Road, Ione, Tiger,
Schweitzer Mountain Road, Sandpoint, Orin-Rice Road, Kettle
Falls, Athol, Springdale-Hunters Road, Eastport, Sherman Pass,
Fruitland, Chewelah, Chesaw Road, Highway 20 Wauconda Summit,
Priest River, and Clark Fork
1251 PM PDT Mon Sep 22 2025

...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM PDT TUESDAY...

* WHAT...Temperatures between 32 and 36 degrees will result in frost
  formation in sheltered valleys.

* WHERE...Metaline, Northport, Wauconda, Inchelium, Newport,
  Republic, Bonners Ferry, Deer Park, Metaline Falls, Boulder Creek
  Road, Colville, Flowery Trail Road, Ione, Tiger, Schweitzer
  Mountain Road, Sandpoint, Orin-Rice Road, Kettle Falls, Athol,
  Springdale-Hunters Road, Eastport, Sherman Pass, Fruitland,
  Chewelah, Chesaw Road, Highway 20 Wauconda Summit, Priest River,
  and Clark Fork.

* WHEN...From 2 AM to 10 AM PDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

OTX

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1215 PM MDT Mon Sep 22 2025

IDZ010-MTZ001-003>005-231600-
/O.NEW.KMSO.FR.Y.0004.250923T0900Z-250923T1600Z/
Eastern Lemhi County-Kootenai/Cabinet Region-Flathead/Mission
Valleys-Lower Clark Fork Region-Missoula/Bitterroot Valleys-
1215 PM MDT Mon Sep 22 2025

...FROST ADVISORY IN EFFECT FROM 3 AM TO 10 AM MDT TUESDAY...

* WHAT...Temperatures between 32 and 36 degrees will result in frost
  formation.

* WHERE...In Idaho, Eastern Lemhi County. In Montana,
  Flathead/Mission Valleys, Kootenai/Cabinet Region, Lower Clark
  Fork Region, and Missoula/Bitterroot Valleys.

* WHEN...From 3 AM to 10 AM MDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Air Quality Alert

WAC007-017-231900-
Chelan-Douglas-
Including the cities of Wenatchee, Leavenworth, Cashmere, Entiat,
Chelan, Manson, Plain, East Wenatchee, Bridgeport, Waterville,
and Douglas
1049 AM PDT Mon Sep 22 2025

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

Washington Department of Ecology

An Air Quality Alert continues for Chelan and Douglas County, until
further notice due to current and expected wildfire smoke from
regional fires. Particulate matter (PM2.5) levels are expected to be
unhealthy in many areas. When air quality is unhealthy, everyone
should reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air.

$$