542  
FPUS55 KBOI 280005 AAA  
ZFPBOI  
 
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON...UPDATED  
NATIONAL WEATHER SERVICE BOISE ID  
505 PM MST SAT FEB 27 2021  
 
UPDATED IDAHO ZONES 15 29 30 FOR EXPIRATION OF WINTER WEATHER  
ADVISORY  
 
SPOT TEMPERATURES ARE FOR TONIGHT, SUNDAY, SUNDAY NIGHT, AND  
MONDAY.  
 
IDZ011-281115-  
WEST CENTRAL MOUNTAINS-  
505 PM MST SAT FEB 27 2021  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 1 BELOW TO 12 ABOVE ZERO.    
SUNDAY
 
PARTLY SUNNY. HIGHS 23 TO 32.    
SUNDAY NIGHT
 
DECREASING CLOUDS. LOWS 7 TO 19.    
MONDAY
 
SUNNY. HIGHS 31 TO 40.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 13 TO 23.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. HIGHS 31 TO 44. LOWS  
13 TO 24.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 16 TO 28.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. HIGHS 39 TO 47.  
LOWS 16 TO 30.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 41 TO 50. LOWS  
20 TO 32.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW, MAINLY IN THE  
AFTERNOON. CHANCE OF SNOW 30 PERCENT. HIGHS 38 TO 46.  
 

 
TEMPERATURE  
MCCALL -1 26 7 32  
 

 
=  
 
IDZ013-281115-  
BOISE MOUNTAINS-  
505 PM MST SAT FEB 27 2021  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 3 BELOW TO 12 ABOVE ZERO.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 27 TO 38.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 21.    
MONDAY
 
SUNNY. HIGHS 34 TO 44.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 25.    
TUESDAY AND TUESDAY NIGHT
 
PARTLY CLOUDY. HIGHS 33 TO 45. LOWS  
11 TO 26.    
WEDNESDAY THROUGH THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 38 TO 52.  
LOWS 15 TO 30.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 42 TO 54.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 19 TO 34.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW, MIXED  
WITH RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
HIGHS 38 TO 51.  
 

 
TEMPERATURE  
IDAHO CITY 4 39 11 45  
 

 
=  
 
IDZ028-281115-  
CAMAS PRAIRIE-  
505 PM MST SAT FEB 27 2021  
   
REST OF TONIGHT
 
MOSTLY CLEAR. COLDER. LOWS 3 BELOW TO 8 BELOW  
ZERO. BREEZY. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.  
LOWEST WIND CHILLS AROUND 15 BELOW ZERO.    
SUNDAY
 
SUNNY. HIGHS 25 TO 30. LIGHT WINDS IN THE MORNING,  
BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 2 BELOW TO 3 ABOVE ZERO. NORTH  
WINDS AROUND 10 MPH. LOWEST WIND CHILLS AROUND 10 BELOW ZERO  
AFTER MIDNIGHT.    
MONDAY
 
SUNNY. HIGHS 28 TO 33. EAST WINDS 10 TO 15 MPH. LOWEST  
WIND CHILLS AROUND 10 BELOW ZERO IN THE MORNING.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 4 TO 9. NORTHEAST WINDS AROUND  
10 MPH. LOWEST WIND CHILLS AROUND 5 BELOW ZERO.    
TUESDAY THROUGH THURSDAY
 
MOSTLY CLEAR. HIGHS 35 TO 45. LOWS  
5 TO 15.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 18 TO 25.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 42 TO 47. BREEZY.   
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 21 TO 28. BREEZY.   
SATURDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 40 TO 45.  
 

 
TEMPERATURE  
FAIRFIELD -8 27 -2 29  
 

 
=  
 
IDZ033-281115-  
UPPER WEISER RIVER-  
505 PM MST SAT FEB 27 2021  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 12 TO 18. NORTH WINDS 10 TO  
15 MPH WITH GUSTS TO 30 MPH EARLY IN THE EVENING, BECOMING LIGHT  
AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY. HIGHS 31 TO 36. SOUTHEAST WINDS UP TO  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 17 TO 23. LIGHT WINDS.    
MONDAY
 
MOSTLY SUNNY. HIGHS 35 TO 40. LIGHT WINDS.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO 25. LIGHT WINDS.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. HIGHS 35 TO 44. LOWS  
20 TO 26.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 23 TO 28.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. HIGHS 43 TO 48.  
LOWS 23 TO 32.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 44 TO 50. LOWS  
27 TO 33.    
SATURDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 43 TO 48.  
 

 
TEMPERATURE  
COUNCIL 12 33 18 38  
CAMBRIDGE 14 34 19 38  
 

 
=  
 
IDZ012-ORZ064-281115-  
LOWER TREASURE VALLEY ID-OREGON LOWER TREASURE VALLEY-  
505 PM MST SAT FEB 27 2021 /405 PM PST SAT FEB 27 2021/  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 18 TO 23. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS TO 30 MPH EARLY IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 38 TO 43. EAST WINDS UP TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 22 TO 27. LIGHT WINDS IN THE  
EVENING, BECOMING EAST 10 TO 15 MPH AFTER MIDNIGHT.    
MONDAY
 
SUNNY. HIGHS 43 TO 49. SOUTHEAST WINDS 10 TO 15 MPH  
WITH GUSTS TO 30 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 23 TO 28. SOUTHEAST WINDS  
10 TO 15 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. HIGHS 45 TO 53. LOWS  
23 TO 30.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 28 TO 33.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. HIGHS 52 TO 57.  
LOWS 28 TO 37.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 54 TO 59. LOWS  
32 TO 39.    
SATURDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 53 TO 58.  
 

 
TEMPERATURE  
ONTARIO 20 41 23 48  
CALDWELL 20 43 25 49  
 

 
=  
 
IDZ014-281115-  
UPPER TREASURE VALLEY-  
505 PM MST SAT FEB 27 2021  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 17 TO 22. BREEZY. NORTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH EARLY IN THE EVENING,  
DECREASING TO AROUND 10 MPH AFTER MIDNIGHT.    
SUNDAY
 
SUNNY. HIGHS 39 TO 44. LIGHT WINDS IN THE MORNING,  
BECOMING NORTHWEST UP TO 10 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 21 TO 26. LIGHT WINDS IN THE  
EVENING, BECOMING EAST 10 TO 15 MPH AFTER MIDNIGHT.    
MONDAY
 
SUNNY. HIGHS 46 TO 51. WINDY. SOUTHEAST WINDS 15 TO  
25 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 22 TO 29. BREEZY. SOUTHEAST  
WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 47 TO 52.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 25 TO  
32. HIGHS 47 TO 55.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 55 TO 60. LOWS  
27 TO 36.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 56 TO 61. BREEZY.   
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 33 TO 38. BREEZY.   
SATURDAY
 
MOSTLY SUNNY. HIGHS 53 TO 59.  
 

 
TEMPERATURE  
BOISE 20 42 26 49  
MOUNTAIN HOME 19 41 22 47  
 

 
=  
 
IDZ016-281115-  
WESTERN MAGIC VALLEY-  
505 PM MST SAT FEB 27 2021  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 15 TO 20. BREEZY. WEST  
WINDS 10 TO 20 MPH. GUSTS TO 30 MPH EARLY IN THE EVENING.    
SUNDAY
 
SUNNY. HIGHS 37 TO 42. WEST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 19 TO 24. BREEZY. SOUTHWEST  
WINDS AROUND 10 MPH IN THE EVENING, SHIFTING TO EAST 10 TO 20 MPH  
AFTER MIDNIGHT.    
MONDAY
 
SUNNY. HIGHS 41 TO 46. BREEZY. EAST WINDS 10 TO 20 MPH  
WITH GUSTS TO 30 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 20 TO 25. BREEZY. EAST WINDS  
10 TO 20 MPH. GUSTS TO 30 MPH IN THE EVENING.    
TUESDAY AND TUESDAY NIGHT
 
PARTLY CLOUDY. HIGHS 45 TO 50. LOWS  
20 TO 28.    
WEDNESDAY THROUGH THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 48 TO 58.  
LOWS 24 TO 34.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 54 TO 59. BREEZY.   
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 32 TO 37. BREEZY.   
SATURDAY
 
MOSTLY SUNNY. HIGHS 53 TO 58.  
 

 
TEMPERATURE  
JEROME 19 39 23 43  
TWIN FALLS 18 38 20 44  
 

 
=  
 
IDZ029-281115-  
OWYHEE MOUNTAINS-  
505 PM MST SAT FEB 27 2021  
 
UPDATED  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 11 TO 21.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 33 TO 39. WINDS UP TO 15 MPH  
CREATING WIND CHILLS AROUND ZERO IN THE MORNING.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 18 TO 25.    
MONDAY
 
SUNNY. HIGHS 40 TO 45.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 21 TO 29.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 42 TO 47.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 23 TO  
32. HIGHS 42 TO 50.    
THURSDAY
 
SUNNY. HIGHS 51 TO 56.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS 31 TO 36.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 52 TO 57. LOWS  
31 TO 38.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW, MIXED  
WITH RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
HIGHS 48 TO 53.  
 

 
=  
 
IDZ015-281115-  
SOUTHWEST HIGHLANDS-  
505 PM MST SAT FEB 27 2021  
 
UPDATED  
   
REST OF TONIGHT
 
PARTLY CLOUDY. COLDER. LOWS 7 TO 17. BREEZY.  
WINDS UP TO 20 MPH CREATING WIND CHILLS AROUND 5 BELOW ZERO.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 33 TO 42. BREEZY. WINDS UP TO  
20 MPH CREATING WIND CHILLS AROUND 5 BELOW ZERO IN THE MORNING.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 12 TO 21.    
MONDAY
 
SUNNY. HIGHS 40 TO 48. WINDS UP TO 15 MPH CREATING WIND  
CHILLS AROUND ZERO IN THE MORNING.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 18 TO 27.    
TUESDAY AND TUESDAY NIGHT
 
PARTLY CLOUDY. HIGHS 41 TO 50. LOWS  
18 TO 27.    
WEDNESDAY THROUGH THURSDAY
 
MOSTLY CLEAR. HIGHS 46 TO 56. LOWS  
19 TO 29.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 26 TO 33.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 51 TO 61. LOWS  
26 TO 36.    
SATURDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 47 TO 57.  
 

 
=  
 
IDZ030-281115-  
SOUTHERN TWIN FALLS COUNTY-  
505 PM MST SAT FEB 27 2021  
 
UPDATED  
   
REST OF TONIGHT
 
PARTLY CLOUDY. COLDER. LOWS 9 TO 18. BREEZY.  
WINDS UP TO 20 MPH CREATING WIND CHILLS AROUND ZERO.    
SUNDAY
 
SUNNY. HIGHS 33 TO 39. WINDS UP TO 15 MPH CREATING WIND  
CHILLS AROUND ZERO IN THE MORNING.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 16 TO 22.    
MONDAY
 
SUNNY. HIGHS 39 TO 46.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 21 TO 26.    
TUESDAY AND TUESDAY NIGHT
 
PARTLY CLOUDY. HIGHS 41 TO 48. LOWS  
21 TO 26.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLEAR. HIGHS 44 TO 50.  
LOWS 21 TO 28.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 47 TO 55. LOWS  
23 TO 32.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 49 TO 57.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 48 TO 54.  
 

 
=  
 
ORZ062-281115-  
BAKER COUNTY-  
405 PM PST SAT FEB 27 2021  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 14 TO 22. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS TO 25 MPH EARLY IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.    
SUNDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW SHOWERS IN  
THE MORNING. HIGHS 33 TO 38. LIGHT WINDS IN THE MORNING, BECOMING  
SOUTHEAST 10 TO 15 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 18 TO 26. LIGHT WINDS IN THE  
EVENING, BECOMING EAST 10 TO 15 MPH AFTER MIDNIGHT.    
MONDAY
 
MOSTLY SUNNY. HIGHS 36 TO 43. SOUTHEAST WINDS 10 TO  
15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 19 TO 28. SOUTHEAST WINDS UP  
TO 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. HIGHS 37 TO 46. LOWS  
19 TO 28.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 23 TO 29.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. HIGHS 44 TO 50.  
LOWS 24 TO 34.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 44 TO 51. LOWS  
26 TO 34.    
SATURDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SNOW IN THE  
MORNING, THEN A CHANCE OF RAIN AND SNOW IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 30 PERCENT. HIGHS 43 TO 50.  
 

 
TEMPERATURE  
BAKER CITY 18 38 23 43  
 

 
=  
 
ORZ061-281115-  
HARNEY COUNTY-  
405 PM PST SAT FEB 27 2021  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 14 TO 19. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS TO 25 MPH EARLY IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 39 TO 44. SOUTHWEST WINDS UP TO  
10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 16 TO 23. SOUTHEAST WINDS UP  
TO 10 MPH.    
MONDAY
 
SUNNY. HIGHS 42 TO 48. SOUTHEAST WINDS 10 TO 15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO 27. SOUTHEAST WINDS  
AROUND 10 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.    
TUESDAY AND TUESDAY NIGHT
 
PARTLY CLOUDY. HIGHS 45 TO 50. LOWS  
20 TO 28.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLEAR. HIGHS 48 TO 53.  
LOWS 21 TO 31.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. HIGHS 53 TO 58.  
LOWS 24 TO 36.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 53 TO 58. LOWS  
27 TO 36.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW, MIXED  
WITH RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
HIGHS 47 TO 52.  
 

 
TEMPERATURE  
BURNS 14 40 16 43  
 

 
=  
 
ORZ063-281115-  
MALHEUR COUNTY-  
505 PM MST SAT FEB 27 2021 /405 PM PST SAT FEB 27 2021/  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 12 TO 22. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS TO 25 MPH EARLY IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 35 TO 44. SOUTH WINDS 10 TO 15 MPH.   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 16 TO 24. SOUTHEAST WINDS UP  
TO 10 MPH.    
MONDAY
 
SUNNY. HIGHS 40 TO 50. SOUTHEAST WINDS UP TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 18 TO 27. SOUTHEAST WINDS UP  
TO 10 MPH IN THE EVENING, SHIFTING TO SOUTHWEST AFTER MIDNIGHT.    
TUESDAY AND TUESDAY NIGHT
 
PARTLY CLOUDY. HIGHS 43 TO 53. LOWS  
19 TO 29.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLEAR. HIGHS 47 TO 57.  
LOWS 22 TO 32.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. HIGHS 51 TO 61.  
LOWS 25 TO 35.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 53 TO 63. LOWS  
28 TO 37.    
SATURDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW, MIXED  
WITH RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.  
HIGHS 48 TO 57.  
 

 
=  
 
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