770
FPUS55 KBOI 152031
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 PM MDT MON SEP 15 2025
SPOT TEMPERATURES ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND
WEDNESDAY.
IDZ011-160400-
WEST CENTRAL MOUNTAINS-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. PATCHY FOG THIS EVENING. AREAS OF FOG
AFTER MIDNIGHT. LOWS 36 TO 46.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY, WARMER WITH HIGHS
66 TO 79.
TUESDAY NIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS
41 TO 51.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 68 TO 82.
WEDNESDAY NIGHT
CLEAR. LOWS 42 TO 52.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 70 TO 84.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 56.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 68 TO 83. LOWS
47 TO 57.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. CHANCE OF RAIN
20 PERCENT. LOWS 43 TO 54.
SUNDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 62 TO 75.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. AREAS OF FOG THROUGH THE
DAY. LOWS 39 TO 49. HIGHS 62 TO 76.
TEMPERATURE
MCCALL 37 73 41 76
=
IDZ013-160400-
BOISE MOUNTAINS-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS 33 TO
48.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 66 TO 79.
TUESDAY NIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS
37 TO 51.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 70 TO 84.
WEDNESDAY NIGHT
CLEAR. LOWS 38 TO 53.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 72 TO 87.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS
40 TO 55. HIGHS 71 TO 86.
SUNDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 64 TO 78.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. AREAS OF FOG THROUGH THE
DAY. LOWS 35 TO 50. HIGHS 65 TO 79.
TEMPERATURE
IDAHO CITY 35 78 38 83
=
IDZ028-160400-
CAMAS PRAIRIE-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 30 TO
36. WEST WINDS 10 TO 15 MPH THIS EVENING, BECOMING LIGHT AFTER
MIDNIGHT.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 69 TO 74.
LIGHT WINDS IN THE MORNING, BECOMING SOUTHEAST AROUND 10 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
32 TO 38. SOUTH WINDS UP TO 10 MPH.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 73 TO 78.
LIGHT WINDS IN THE MORNING, BECOMING SOUTHEAST AROUND 10 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 35 TO 42. SOUTH WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 81.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 42 TO 48.
FRIDAY THROUGH SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 74 TO 82.
LOWS 41 TO 49.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS 71 TO 76. LOWS 37 TO
43.
TEMPERATURE
FAIRFIELD 30 72 32 76
=
IDZ033-160400-
UPPER WEISER RIVER-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 46 TO
51. NORTH WINDS UP TO 10 MPH.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 74 TO 80.
NORTHWEST WINDS UP TO 10 MPH IN THE MORNING, BECOMING LIGHT IN
THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 56. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 78 TO 84. NORTH WINDS UP TO 10 MPH IN
THE MORNING, BECOMING LIGHT IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 51 TO 56. LIGHT WINDS IN THE
EVENING, BECOMING NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 81 TO 87.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 55 TO 60. HIGHS
82 TO 88.
FRIDAY NIGHT
DECREASING CLOUDS. LOWS 57 TO 62.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 78 TO 84.
LOWS 53 TO 58.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. CHANCE OF RAIN 20 PERCENT. HIGHS 74 TO 80.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS
73 TO 79.
TEMPERATURE
COUNCIL 49 80 54 84
CAMBRIDGE 47 79 51 83
=
ORZ064-160400-
OREGON LOWER TREASURE VALLEY-
230 PM MDT MON SEP 15 2025 /130 PM PDT MON SEP 15 2025/
TONIGHT
MOSTLY CLEAR. LOWS 47 TO 52. NORTHWEST WINDS UP TO
10 MPH.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 78 TO 83.
LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 54. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 81 TO 86. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 49 TO 56. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 84 TO 89.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS
52 TO 61. HIGHS 83 TO 89.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS 77 TO 83. LOWS 49 TO
55.
TEMPERATURE
ONTARIO 47 81 49 84
=
IDZ012-160400-
LOWER TREASURE VALLEY-
230 PM MDT MON SEP 15 2025
TONIGHT
CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS 46 TO 51.
NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 77 TO 82.
LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 53. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 81 TO 86. SOUTHEAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 55. NORTH WINDS UP TO 10 MPH
IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 83 TO 88.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS
52 TO 60. HIGHS 82 TO 89.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS 77 TO 83. LOWS 49 TO
54.
TEMPERATURE
CALDWELL 46 81 49 84
=
IDZ014-160400-
UPPER TREASURE VALLEY-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS 43 TO
51. NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH THIS EVENING.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 77 TO 82.
EAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 55. NORTH WINDS UP TO
10 MPH IN THE EVENING, SHIFTING TO EAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 82 TO 87. SOUTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 48 TO 56. NORTHEAST WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS 85 TO 90.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS
50 TO 59. HIGHS 82 TO 91.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS 78 TO 84. LOWS 48 TO
53.
TEMPERATURE
BOISE 51 80 55 84
MOUNTAIN HOME 45 80 49 85
=
IDZ016-160400-
WESTERN MAGIC VALLEY-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. LOWS 42 TO 47. WEST WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH THIS EVENING, SHIFTING TO SOUTHEAST AFTER
MIDNIGHT.
TUESDAY
SUNNY. HIGHS 73 TO 78. EAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 51. EAST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 77 TO 82. EAST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 46 TO 51. EAST WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 80 TO 86.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS
50 TO 57. HIGHS 78 TO 87.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS 74 TO 80. LOWS 48 TO
53.
TEMPERATURE
JEROME 46 73 50 78
TWIN FALLS 45 73 49 78
=
IDZ029-160400-
OWYHEE MOUNTAINS-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 40 TO
50.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 70 TO 77.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 54.
WEDNESDAY
SUNNY. HIGHS 75 TO 82.
WEDNESDAY NIGHT
CLEAR. LOWS 47 TO 56.
THURSDAY
SUNNY. HIGHS 77 TO 84.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 51 TO 58. HIGHS
78 TO 84.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 52 TO 60.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 72 TO 80. LOWS
49 TO 58.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS
71 TO 78.
=
IDZ015-160400-
SOUTHWEST HIGHLANDS-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 44.
TUESDAY
SUNNY. HIGHS 72 TO 78.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 48.
WEDNESDAY
SUNNY. HIGHS 77 TO 83.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 79 TO 85.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 50 TO 55.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. HIGHS 79 TO 86. LOWS
50 TO 56.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 76 TO 82.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 54.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 74 TO 79.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS
75 TO 80.
=
IDZ030-160400-
SOUTHERN TWIN FALLS COUNTY-
230 PM MDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 71 TO 76.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 49.
WEDNESDAY
SUNNY. HIGHS 75 TO 80.
WEDNESDAY NIGHT
CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 79 TO 84.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
80 TO 85.
FRIDAY NIGHT
DECREASING CLOUDS. LOWS 53 TO 58.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 76 TO 81.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 74 TO 79.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS
73 TO 78.
=
ORZ062-160400-
BAKER COUNTY-
130 PM PDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. AREAS OF FOG. LOWS 37 TO 49. NORTH WINDS
UP TO 10 MPH. GUSTS TO 20 MPH THIS EVENING.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 74 TO 81.
EAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 52. SOUTH WINDS UP TO
10 MPH.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 80 TO 86.
SOUTH WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 40 TO 53. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 79 TO 87.
THURSDAY NIGHT THROUGH SATURDAY
PARTLY CLOUDY. LOWS 45 TO 58.
HIGHS 78 TO 88.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 44 TO 54.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. AREAS OF FOG IN THE MORNING. CHANCE OF RAIN 20 PERCENT.
HIGHS 71 TO 80.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. AREAS OF FOG THROUGH THE
DAY. LOWS 39 TO 51. HIGHS 73 TO 79.
TEMPERATURE
BAKER CITY 37 79 39 85
=
ORZ061-160400-
HARNEY COUNTY-
130 PM PDT MON SEP 15 2025
TONIGHT
MOSTLY CLEAR. LOWS 33 TO 43. NORTHEAST WINDS UP TO
10 MPH.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 71 TO 80. EAST
WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 48. NORTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 75 TO 85. EAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 50. NORTHEAST WINDS
UP TO 10 MPH WITH GUSTS TO 20 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 86.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 45 TO 55.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. HIGHS 75 TO 85. LOWS
45 TO 55.
SATURDAY
MOSTLY SUNNY. HIGHS 72 TO 82.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. CHANCE OF RAIN 20 PERCENT. LOWS 41 TO 51.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 68 TO
78.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 49.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 70 TO 80.
TEMPERATURE
BURNS 33 79 37 84
=
ORZ063-160400-
MALHEUR COUNTY-
230 PM MDT MON SEP 15 2025 /130 PM PDT MON SEP 15 2025/
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 49. NORTH WINDS UP TO 10 MPH.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 75 TO 80.
EAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52. NORTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 79 TO 85. EAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 54. NORTH WINDS UP TO
10 MPH WITH GUSTS TO 20 MPH.
THURSDAY
SUNNY. HIGHS 81 TO 87.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 48 TO 57.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. HIGHS 82 TO 87. LOWS
50 TO 59.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 75 TO 85. LOWS
48 TO 56.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 44 TO 53. HIGHS
75 TO 81.
=
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