386  
FPUS55 KMSO 191823  
ZFPMSO  
 
ZONE FORECAST PRODUCT  
NATIONAL WEATHER SERVICE MISSOULA MT  
1223 PM MDT TUE MAY 19 2026  
 
MTZ001-201000-  
KOOTENAI/CABINET REGION-  
INCLUDING THE CITIES OF LIBBY AND EUREKA  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF AREAS OF RAIN  
UNTIL EARLY MORNING. LOWS IN THE MID 30S TO LOWER 40S.    
WEDNESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. HIGHS IN THE 60S TO LOWER 70S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY  
CLEAR AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT. LOWS IN  
THE MID 30S TO LOWER 40S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID  
40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SATURDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 70S TO LOWER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S TO LOWER 50S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S TO MID  
70S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS IN THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE MID 60S TO LOWER 70S.  
 
 
 
MTZ002-201000-  
WEST GLACIER REGION-  
INCLUDING THE CITY OF SWAN LAKE  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF AREAS OF  
RAIN. LOWS IN THE MID 30S TO LOWER 40S. SOUTHWEST WINDS TO 15 MPH  
IN THE EVENING.    
WEDNESDAY  
A CHANCE OF RAIN AND SNOW IN THE MORNING, THEN RAIN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 70 PERCENT. NO SNOW ACCUMULATION. HIGHS  
IN THE 50S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS, A  
CHANCE OF SNOW AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT. LOWS IN THE 30S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID 50S TO LOWER 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER  
40S.    
FRIDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S TO LOWER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S TO LOWER 70S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
MEMORIAL DAY  
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 60S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN. A CHANCE OF  
SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT. LOWS IN  
THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 30 PERCENT. HIGHS IN THE 50S TO LOWER 60S.  
 
 
 
MTZ003-201000-  
FLATHEAD/MISSION VALLEYS-  
INCLUDING THE CITIES OF KALISPELL, POLSON, AND ST. IGNATIUS  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN SLIGHT CHANCE  
OF RAIN LATE IN THE EVENING. CHANCE OF PRECIPITATION 30 PERCENT.  
LOWS IN THE MID 30S TO LOWER 40S.    
WEDNESDAY  
A CHANCE OF RAIN IN THE MORNING, THEN RAIN SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 70 PERCENT. HIGHS IN THE UPPER 50S TO MID 60S.    
WEDNESDAY NIGHT  
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 70 PERCENT. LOWS IN THE 30S TO LOWER 40S.   
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID  
40S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S TO LOWER 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.    
MEMORIAL DAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.   
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS IN THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE 60S.  
 
 
 
MTZ004-201000-  
LOWER CLARK FORK REGION-  
INCLUDING THE CITIES OF NOXON, THOMPSON FALLS, AND SUPERIOR  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS IN THE MID 30S TO LOWER 40S. WEST WINDS TO 15 MPH  
IN THE EVENING.    
WEDNESDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S TO MID  
60S.    
WEDNESDAY NIGHT  
RAIN SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 70 PERCENT. LOWS IN THE MID 30S  
TO LOWER 40S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER  
40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
MEMORIAL DAY  
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 MID  
60S TO LOWER 70S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS IN THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 50S TO MID 60S.  
 
 
 
MTZ005-201000-  
MISSOULA/BITTERROOT VALLEYS-  
INCLUDING THE CITIES OF HAMILTON AND DARBY  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER  
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
EARLY IN THE EVENING. LOWS IN THE MID TO UPPER 30S. NORTHWEST  
WINDS TO 15 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. HIGHS IN THE LOWER TO MID 60S.    
WEDNESDAY NIGHT  
RAIN LIKELY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. CHANCE OF PRECIPITATION 70 PERCENT. LOWS IN THE MID  
30S TO LOWER 40S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS NEAR 40.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER TO MID 70S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID TO UPPER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS NEAR 80.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 40S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 70S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS IN THE LOWER TO MID 40S.    
TUESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
IN THE LOWER TO MID 60S.  
 
 
 
MTZ006-201000-  
BITTERROOT/SAPPHIRE MOUNTAINS-  
INCLUDING THE CITY OF SULA  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW EARLY IN  
THE EVENING, THEN SLIGHT CHANCE OF RAIN LATE IN THE EVENING.  
CHANCE OF PRECIPITATION 20 PERCENT. LOWS IN THE 30S.    
WEDNESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. HIGHS IN THE 50S TO LOWER 60S.    
WEDNESDAY NIGHT  
CHANCE OF RAIN SHOWERS, A CHANCE OF SNOW AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN WITH  
SNOW LIKELY AFTER MIDNIGHT. CHANCE OF PRECIPITATION 90 PERCENT.  
NO SNOW ACCUMULATION. LOWS IN THE 30S. NORTHWEST WINDS TO 15 MPH.   
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE 50S TO LOWER 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 30S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID  
40S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE 70S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
MEMORIAL DAY  
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  
60S TO MID 70S.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS IN THE MID 30S TO LOWER  
40S.    
TUESDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN A CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 30 PERCENT. HIGHS IN THE MID 50S TO LOWER 60S.  
 
 
 
MTZ007-201000-  
BUTTE/BLACKFOOT REGION-  
INCLUDING THE CITIES OF ANACONDA, DEER LODGE, AND DRUMMOND  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER 20S  
TO MID 30S. NORTHWEST WINDS TO 15 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. HIGHS IN THE 50S TO LOWER 60S. WEST WINDS TO 15 MPH.    
WEDNESDAY NIGHT  
RAIN AND SNOW LIKELY. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. CHANCE OF PRECIPITATION NEAR  
100 PERCENT. NO SNOW ACCUMULATION. LOWS IN THE 30S. NORTH WINDS  
TO 15 MPH.    
THURSDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN AND SNOW  
IN THE MORNING. HIGHS IN THE 50S. NORTH WINDS TO 15 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 30S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID  
40S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE 70S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S TO MID  
70S.    
MONDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS IN THE MID 30S TO LOWER 40S.    
TUESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN A CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 40 PERCENT. HIGHS IN THE UPPER 50S TO MID 60S.  
 
 
 
MTZ043-201000-  
POTOMAC/SEELEY LAKE REGION-  
INCLUDING THE CITIES OF EAST MISSOULA, SEELEY LAKE, AND CLINTON  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE 30S.  
NORTHWEST WINDS TO 15 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 50S TO LOWER 60S.    
WEDNESDAY NIGHT  
RAIN SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 70 PERCENT. LOWS IN THE 30S.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE MID 50S TO LOWER 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 30S TO LOWER 40S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S TO MID  
70S.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS IN THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 50S TO MID 60S.  
 
 
 
IDZ009-201000-  
WESTERN LEMHI COUNTY-  
INCLUDING THE CITY OF SHOUP  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 30S  
TO LOWER 40S.    
WEDNESDAY  
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S TO MID 60S.    
WEDNESDAY NIGHT  
CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW LIKELY AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 60 PERCENT. NO SNOW  
ACCUMULATION. LOWS IN THE UPPER 30S TO MID 40S. NORTHWEST WINDS  
TO 15 MPH.    
THURSDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND SNOW  
IN THE MORNING. HIGHS IN THE UPPER 50S TO MID 60S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID  
40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S TO LOWER 70S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S TO LOWER 50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 70S.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS IN THE UPPER 30S TO MID 40S.    
TUESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN A CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 30 PERCENT. HIGHS IN THE 60S.  
 
 
 
IDZ010-201000-  
EASTERN LEMHI COUNTY-  
INCLUDING THE CITIES OF SALMON AND LEADORE  
1223 PM MDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS IN THE 30S.    
WEDNESDAY  
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S TO MID 60S.  
NORTHWEST WINDS TO 15 MPH.    
WEDNESDAY NIGHT  
CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW LIKELY AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 70 PERCENT. NO SNOW  
ACCUMULATION. LOWS IN THE 30S TO LOWER 40S. NORTHWEST WINDS TO  
15 MPH.    
THURSDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN AND SNOW  
IN THE MORNING. HIGHS IN THE UPPER 50S TO MID 60S. NORTH WINDS TO  
15 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 30S. NORTH WINDS TO  
15 MPH.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S TO LOWER 70S.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 70S TO LOWER 80S.    
MONDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS IN THE 40S.    
TUESDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. SLIGHT  
CHANCE OF SNOW IN THE MORNING. CHANCE OF PRECIPITATION  
20 PERCENT. HIGHS IN THE 60S.  
 
 
 
IDZ005-201000-  
NORTHERN CLEARWATER MOUNTAINS-  
INCLUDING THE CITIES OF PIERCE AND ELK RIVER  
1123 AM PDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE  
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS IN  
THE 30S TO LOWER 40S.    
WEDNESDAY  
MOSTLY CLOUDY. HIGHS IN THE 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF  
PRECIPITATION 30 PERCENT. LOWS IN THE 30S.    
THURSDAY  
SUNNY. HIGHS IN THE MID 60S TO LOWER 70S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S TO LOWER  
40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO MID 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE 70S TO LOWER 80S.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO MID 40S.   
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE 70S TO LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.    
MEMORIAL DAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 60S TO LOWER 70S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS IN THE 30S TO LOWER 40S.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE MID 50S TO LOWER 60S.  
 
 
 
IDZ006-201000-  
SOUTHERN CLEARWATER MOUNTAINS-  
INCLUDING THE CITIES OF POWELL, ELK CITY, AND DIXIE  
1123 AM PDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS 31 TO 46.    
WEDNESDAY  
MOSTLY CLOUDY. HIGHS 52 TO 66. WEST WINDS TO 15 MPH.   
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF PRECIPITATION  
50 PERCENT. LOWS 31 TO 46. NORTHWEST WINDS TO 15 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS 56 TO 70.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 33 TO 48.    
FRIDAY  
MOSTLY SUNNY. HIGHS 60 TO 75.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 34 TO 49.    
SATURDAY  
MOSTLY SUNNY. HIGHS 68 TO 81.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS 37 TO 52.    
SUNDAY  
MOSTLY SUNNY. HIGHS 69 TO 82.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 37 TO 52.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 76.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS 32 TO 45.    
TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
IN THE 50S TO LOWER 60S.  
 
 
 
IDZ007-201000-  
OROFINO/GRANGEVILLE REGION-  
INCLUDING THE CITY OF KOOSKIA  
1123 AM PDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE 40S.    
WEDNESDAY  
MOSTLY CLOUDY. HIGHS IN THE 60S TO LOWER 70S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY  
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN  
THE UPPER 30S TO MID 40S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE 60S TO MID 70S.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 40S.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE 70S.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 40S TO LOWER 50S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER  
50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE UPPER 60S TO MID 70S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS IN THE 40S.    
TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 50S TO MID 60S.  
 
 
 
IDZ008-201000-  
LOWER HELLS CANYON/SALMON RIVER REGION-  
INCLUDING THE CITIES OF RIGGINS AND WHITE BIRD  
1123 AM PDT TUE MAY 19 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN EARLY  
IN THE EVENING, THEN PARTLY CLOUDY IN THE LATE EVENING AND  
OVERNIGHT. LOWS IN THE 40S.    
WEDNESDAY  
MOSTLY CLOUDY. HIGHS 61 TO 74. NORTH WINDS TO  
15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN  
AFTER MIDNIGHT. LOWS IN THE 40S. NORTHEAST WINDS TO 15 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS 63 TO 76. NORTH WINDS TO 15 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER  
50S. NORTHEAST WINDS TO 15 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 69 TO 82.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S.    
SATURDAY  
MOSTLY SUNNY. HIGHS 73 TO 87.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID  
50S.    
SUNDAY  
MOSTLY SUNNY. HIGHS 75 TO 88.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE 50S.    
MEMORIAL DAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE 70S TO LOWER 80S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS IN THE 40S.    
TUESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
IN THE 50S TO UPPER 60S.  
 
 
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