786  
FPUS55 KMSO 211823  
ZFPMSO  
 
ZONE FORECAST PRODUCT  
NATIONAL WEATHER SERVICE MISSOULA MT  
1223 PM MDT FRI AUG 21 2026  
 
MTZ001-221000-  
KOOTENAI/CABINET REGION-  
INCLUDING THE CITIES OF LIBBY AND EUREKA  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. PATCHY SMOKE THROUGH THE NIGHT. LOWS IN THE MID  
50S TO LOWER 60S.    
SATURDAY  
CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY. A  
20 PERCENT CHANCE OF RAIN. PATCHY SMOKE IN THE MORNING. HOT.  
HIGHS IN THE 90S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF PRECIPITATION  
40 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN  
THE 50S.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS IN THE UPPER 70S TO MID 80S.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.    
MONDAY  
SUNNY. HIGHS IN THE 80S TO LOWER 90S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S TO MID 90S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 80S TO LOWER 90S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID  
50S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 40S TO LOWER 50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.  
 
 
 
MTZ002-221000-  
WEST GLACIER REGION-  
INCLUDING THE CITY OF SWAN LAKE  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY UNTIL EARLY MORNING, THEN A 20 PERCENT  
CHANCE OF RAIN LATE IN THE NIGHT. PATCHY SMOKE EARLY IN THE  
EVENING. LOWS IN THE MID 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 70S TO MID 80S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
20 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN  
THE MID 50S TO LOWER 60S.    
SUNDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE UPPER 60S TO MID 70S. SOUTHWEST WINDS  
15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
MONDAY  
SUNNY. HIGHS IN THE 70S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 70S TO LOWER 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID  
50S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.    
THURSDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING. LOWS IN THE MID 40S TO LOWER 50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.  
 
 
 
MTZ003-221000-  
FLATHEAD/MISSION VALLEYS-  
INCLUDING THE CITIES OF KALISPELL, POLSON, AND ST. IGNATIUS  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 80S TO MID 90S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY  
CLOUDY WITH A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 40 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS. LOWS IN THE 50S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.  
SOUTHWEST WINDS 15 TO 20 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS IN THE MID 40S TO LOWER 50S.  
SOUTHWEST WINDS TO 15 MPH.    
MONDAY  
SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE 80S TO LOWER 90S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID  
50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING. LOWS IN THE 40S TO LOWER 50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.  
 
 
 
MTZ004-221000-  
LOWER CLARK FORK REGION-  
INCLUDING THE CITIES OF NOXON, THOMPSON FALLS, AND SUPERIOR  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. PATCHY SMOKE EARLY IN THE EVENING. A  
20 PERCENT CHANCE OF RAIN LATE IN THE NIGHT. LOWS IN THE UPPER  
50S TO MID 60S.    
SATURDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 80S TO MID 90S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY  
CLOUDY WITH A CHANCE OF RAIN AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS. LOWS IN THE 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S. WEST  
WINDS TO 15 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS IN THE MID 40S TO LOWER 50S. WEST  
WINDS TO 15 MPH.    
MONDAY  
SUNNY. HIGHS IN THE 80S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S TO LOWER 90S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 50S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE 80S TO LOWER 90S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID  
50S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING. LOWS IN THE MID 40S TO LOWER 50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.  
 
 
 
MTZ005-221000-  
MISSOULA/BITTERROOT VALLEYS-  
INCLUDING THE CITIES OF HAMILTON AND DARBY  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. PATCHY SMOKE EARLY IN THE EVENING. LOWS  
NEAR 60.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. HIGHS IN  
THE LOWER TO MID 90S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY  
CLOUDY AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN THE 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER TO MID 80S. WEST WINDS  
TO 15 MPH.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.  
WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID TO UPPER 80S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS NEAR 90.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 50S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS NEAR 50.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER TO MID 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING. LOWS IN THE MID 40S TO LOWER 50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER TO MID 80S.  
 
 
 
MTZ006-221000-  
BITTERROOT/SAPPHIRE MOUNTAINS-  
INCLUDING THE CITY OF SULA  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. LOWS  
IN THE MID 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS. HIGHS IN THE 80S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS  
IN THE UPPER 40S TO MID 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.  
SOUTHWEST WINDS TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.  
WEST WINDS TO 15 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID 50S.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S TO MID  
80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID 50S.   
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER  
50S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 70S TO LOWER 80S.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING. LOWS IN THE 40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.  
 
 
 
MTZ007-221000-  
BUTTE/BLACKFOOT REGION-  
INCLUDING THE CITIES OF ANACONDA, DEER LODGE, AND DRUMMOND  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE 50S TO LOWER 60S.    
SATURDAY  
SLIGHT CHANCE OF RAIN IN THE MORNING, THEN RAIN  
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS. HIGHS IN THE 80S.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF  
PRECIPITATION 50 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY  
WINDS. LOWS IN THE UPPER 40S TO MID 50S.    
SUNDAY  
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
30 PERCENT. HIGHS IN THE MID 70S TO LOWER 80S. SOUTHWEST WINDS  
15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 40S. WEST WINDS TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
MONDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.    
TUESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 20 PERCENT. HIGHS IN THE UPPER 70S TO MID  
80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.   
WEDNESDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S TO MID  
80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 40S TO LOWER 50S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE 70S TO LOWER 80S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
FRIDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE 70S TO LOWER 80S.  
 
 
 
MTZ043-221000-  
POTOMAC/SEELEY LAKE REGION-  
INCLUDING THE CITIES OF EAST MISSOULA, SEELEY LAKE, AND CLINTON  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 50S TO LOWER 60S.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
40 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. HIGHS IN  
THE MID 80S TO LOWER 90S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY  
CLOUDY AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN THE 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 40S TO LOWER 50S. WEST  
WINDS TO 15 MPH.    
MONDAY  
SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 50S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID  
50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S TO LOWER  
50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.  
 
 
 
IDZ009-221000-  
WESTERN LEMHI COUNTY-  
INCLUDING THE CITY OF SHOUP  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE 60S.    
SATURDAY  
SLIGHT CHANCE OF RAIN IN THE MORNING, THEN RAIN  
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS WITH LITTLE  
OR NO PRECIPITATION IN THE AFTERNOON. CHANCE OF PRECIPITATION  
70 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. HIGHS IN  
THE MID 80S TO LOWER 90S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS  
IN THE MID 50S TO LOWER 60S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE 80S. SOUTHWEST WINDS TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S. WEST WINDS TO  
15 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE 80S.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 50S TO LOWER 60S.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 50S TO LOWER 60S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE 80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE 50S.    
THURSDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE UPPER 70S TO MID 80S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.  
 
 
 
IDZ010-221000-  
EASTERN LEMHI COUNTY-  
INCLUDING THE CITIES OF SALMON AND LEADORE  
1223 PM MDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF AREAS OF  
RAIN. LOWS IN THE UPPER 50S TO MID 60S.    
SATURDAY  
SLIGHT CHANCE OF RAIN IN THE MORNING, THEN RAIN  
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS WITH LITTLE  
OR NO PRECIPITATION IN THE AFTERNOON. CHANCE OF PRECIPITATION  
70 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. HIGHS IN  
THE 80S.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY  
CLOUDY AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN THE 50S.    
SUNDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S TO MID  
80S. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.  
WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
MONDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S TO MID  
80S.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS IN THE UPPER 40S TO MID  
50S.    
TUESDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S TO MID  
80S.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE  
50S.    
WEDNESDAY  
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
30 PERCENT. HIGHS IN THE UPPER 70S TO MID 80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID 50S.    
THURSDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 70S TO LOWER 80S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER  
50S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.  
 
 
 
IDZ005-221000-  
NORTHERN CLEARWATER MOUNTAINS-  
INCLUDING THE CITIES OF PIERCE AND ELK RIVER  
1123 AM PDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. PATCHY SMOKE EARLY IN THE EVENING, THEN  
SMOKE LATE IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT. LOWS IN  
THE 50S TO LOWER 60S.    
SATURDAY  
PARTLY CLOUDY. PATCHY SMOKE IN THE MORNING. HIGHS IN  
THE UPPER 80S TO MID 90S.    
SATURDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF RAIN AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF PRECIPITATION  
30 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN  
THE MID 40S TO LOWER 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY NIGHT  
CLEAR. LOWS IN THE 40S.    
MONDAY  
SUNNY. HIGHS IN THE 80S.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S TO MID 90S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.   
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE 80S.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 40S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE MID 70S TO LOWER 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING. LOWS IN THE UPPER 30S TO MID 40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S TO MID 80S.  
 
 
 
IDZ006-221000-  
SOUTHERN CLEARWATER MOUNTAINS-  
INCLUDING THE CITIES OF POWELL, ELK CITY, AND DIXIE  
1123 AM PDT FRI AUG 21 2026  
   
TONIGHT  
MOSTLY CLOUDY. PATCHY SMOKE UNTIL EARLY MORNING. LOWS  
53 TO 68.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
40 PERCENT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. HIGHS  
81 TO 96.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS. LOWS 46 TO 60.    
SUNDAY  
MOSTLY SUNNY. HIGHS 70 TO 85.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS 40 TO 55.    
MONDAY  
MOSTLY SUNNY. HIGHS 76 TO 91.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 60.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 94.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 46 TO 61.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS 75 TO 90.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 42 TO 57.    
THURSDAY  
MOSTLY SUNNY. HIGHS 71 TO 86.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 39 TO 54.    
FRIDAY  
MOSTLY SUNNY. HIGHS 71 TO 86.  
 
 
 
IDZ007-221000-  
OROFINO/GRANGEVILLE REGION-  
INCLUDING THE CITY OF KOOSKIA  
1123 AM PDT FRI AUG 21 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING  
 
   
TONIGHT  
MOSTLY CLOUDY. PATCHY SMOKE THROUGH THE NIGHT. LOWS IN  
THE MID 60S TO LOWER 70S.    
SATURDAY  
MOSTLY CLOUDY. PATCHY SMOKE IN THE MORNING. CHANCE OF  
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT. HOT. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS. HIGHS UPPER 80S TO 100.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN THE MID 50S  
TO LOWER 60S.    
SUNDAY  
SUNNY. HIGHS IN THE 70S TO UPPER 80S.    
SUNDAY NIGHT  
CLEAR. LOWS IN THE 50S.    
MONDAY  
SUNNY. HIGHS 81 TO 94.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S TO UPPER 90S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S TO LOWER 60S.   
WEDNESDAY  
PARTLY CLOUDY. HIGHS IN THE 80S TO LOWER 90S.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE 70S TO UPPER 80S.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.   
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE 70S TO UPPER 80S.  
 
 
 
IDZ008-221000-  
LOWER HELLS CANYON/SALMON RIVER REGION-  
INCLUDING THE CITIES OF RIGGINS AND WHITE BIRD  
1123 AM PDT FRI AUG 21 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING  
 
   
TONIGHT  
MOSTLY CLOUDY. PATCHY SMOKE IN THE LATE EVENING AND  
EARLY MORNING. LOWS IN THE MID 60S TO LOWER 70S. SOUTH WINDS TO  
15 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
30 PERCENT. HOT. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS.  
HIGHS 88 TO 101. SOUTH WINDS TO 15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. LOWS IN THE UPPER 50S  
TO MID 60S.    
SUNDAY  
MOSTLY SUNNY. PATCHY SMOKE IN THE MORNING. HIGHS IN THE  
LOWER 80S TO MID 90S.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S.    
MONDAY  
MOSTLY SUNNY. HIGHS 85 TO 98.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 60S.    
TUESDAY  
MOSTLY SUNNY. HIGHS UPPER 80S TO 100.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 60S.    
WEDNESDAY  
PARTLY CLOUDY. HIGHS 84 TO 97.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S TO MID  
60S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE 80S TO LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S.   
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE 80S TO LOWER 90S.  
 
 
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