913
FPUS55 KBOI 240831
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 AM MDT THU SEP 24 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND FRIDAY.
IDZ011-241600-
WEST CENTRAL MOUNTAINS-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 72 TO 85.
TONIGHT
INCREASING CLOUDS. PATCHY SMOKE IN THE EVENING. LOWS
46 TO 58.
FRIDAY
MOSTLY SUNNY. COOLER WITH HIGHS 62 TO 74. BREEZY. GUSTS
TO 35 MPH IN THE AFTERNOON.
FRIDAY NIGHT
DECREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT.
COLDER WITH LOWS 34 TO 44.
SATURDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS
54 TO 66.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO 48.
SUNDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 55 TO 67.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN
20 PERCENT. LOWS 35 TO 44.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 53 TO
65.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. AREAS OF FOG THROUGH
THE DAY. LOWS 33 TO 42. HIGHS 54 TO 66.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
35 TO 44.
WEDNESDAY
SUNNY. HIGHS 56 TO 68.
TEMPERATURE
MCCALL 79 46 69
=
IDZ013-241600-
BOISE MOUNTAINS-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 74 TO 89. BREEZY.
TONIGHT
MOSTLY CLEAR. LOWS 44 TO 59. BREEZY.
FRIDAY
MOSTLY SUNNY. HIGHS 65 TO 80. BREEZY.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 47. BREEZY.
SATURDAY
MOSTLY SUNNY. HIGHS 57 TO 71.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. LOWS 36 TO 51. HIGHS
58 TO 72.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.
LOWS 32 TO 47.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 55 TO
70.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 28 TO 43.
HIGHS 57 TO 72.
TEMPERATURE
IDAHO CITY 89 48 78
=
IDZ028-241600-
CAMAS PRAIRIE-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 78 TO 83. EAST WINDS 10 TO 15 MPH WITH
GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 46 TO 51. EAST WINDS 10 TO 15 MPH
WITH GUSTS TO 30 MPH.
FRIDAY
SUNNY. HIGHS 75 TO 80. BREEZY. EAST WINDS AROUND 10 MPH
IN THE MORNING, SHIFTING TO SOUTHWEST 10 TO 20 MPH WITH GUSTS TO
35 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 41. BREEZY. WEST WINDS
15 TO 20 MPH WITH GUSTS TO 30 MPH IN THE EVENING, BECOMING
NORTHWEST AROUND 10 MPH WITH GUSTS TO 20 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 66 TO 71. WEST WINDS UP TO
10 MPH. GUSTS TO 20 MPH IN THE AFTERNOON.
SATURDAY NIGHT
INCREASING CLOUDS. LOWS 38 TO 43.
SUNDAY
PARTLY SUNNY. HIGHS 66 TO 71.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 36 TO 41.
MONDAY
MOSTLY SUNNY. HIGHS 62 TO 67.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 30 TO 36. BREEZY.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 62 TO 67.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 31 TO 37. HIGHS
64 TO 69.
TEMPERATURE
FAIRFIELD 81 46 78
=
IDZ033-241600-
UPPER WEISER RIVER-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 84 TO 89. NORTH WINDS UP TO 10 MPH THIS
MORNING, SHIFTING TO SOUTHWEST THIS AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 56 TO 61. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO 30 MPH.
FRIDAY
PARTLY SUNNY. NOT AS WARM WITH HIGHS 72 TO 78. BREEZY.
SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
COOLER WITH LOWS 42 TO 47. BREEZY. WEST WINDS 10 TO 20 MPH WITH
GUSTS TO 30 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 64 TO 71. LIGHT WINDS.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO
51. HIGHS 66 TO 73.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 65 TO 73. LOWS
41 TO 48.
TEMPERATURE
COUNCIL 88 58 78
CAMBRIDGE 88 56 78
=
ORZ064-241600-
OREGON LOWER TREASURE VALLEY-
230 AM MDT THU SEP 24 2026 /130 AM PDT THU SEP 24 2026/
TODAY
SUNNY. HIGHS 87 TO 92. EAST WINDS UP TO 10 MPH WITH
GUSTS TO 20 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 56 TO 61. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH.
FRIDAY
DECREASING CLOUDS. NOT AS WARM WITH HIGHS 75 TO 80.
WINDY. SOUTH WINDS 10 TO 15 MPH IN THE MORNING, INCREASING TO
WEST 20 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
COOLER WITH LOWS 44 TO 49. BREEZY. NORTHWEST WINDS 10 TO 20 MPH.
GUSTS TO 30 MPH IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HIGHS 68 TO 73. NORTHWEST WINDS 10 TO
15 MPH IN THE MORNING, BECOMING LIGHT IN THE AFTERNOON.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO
52. HIGHS 70 TO 75.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 70 TO 76. LOWS
41 TO 48.
TEMPERATURE
ONTARIO 90 56 78
=
IDZ012-241600-
LOWER TREASURE VALLEY-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 87 TO 92. BREEZY. SOUTHEAST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 57 TO 62. SOUTHEAST WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH.
FRIDAY
DECREASING CLOUDS. NOT AS WARM WITH HIGHS 77 TO 82.
WINDY. SOUTHEAST WINDS 10 TO 15 MPH IN THE MORNING, SHIFTING TO
WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COOLER WITH LOWS 45 TO 50. BREEZY. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
SATURDAY
MOSTLY SUNNY. COOLER WITH HIGHS 67 TO 72. NORTHWEST
WINDS UP TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO
51. HIGHS 69 TO 74.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 69 TO 76. LOWS
42 TO 48.
TEMPERATURE
CALDWELL 90 59 80
=
IDZ014-241600-
UPPER TREASURE VALLEY-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 88 TO 93. WINDY. SOUTHEAST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH.
TONIGHT
INCREASING CLOUDS. LOWS 54 TO 64. WINDY. SOUTHEAST
WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 80 TO 86. BREEZY. SOUTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE MORNING, SHIFTING TO
SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON.
FRIDAY NIGHT
DECREASING CLOUDS. LOWS 45 TO 50. WINDY.
NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.
SATURDAY
MOSTLY SUNNY. COOLER WITH HIGHS 68 TO 73. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. LOWS 44 TO 51. HIGHS
71 TO 76.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 45 TO 50.
MONDAY
DECREASING CLOUDS. HIGHS 68 TO 73.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 48.
HIGHS 68 TO 76.
TEMPERATURE
BOISE 91 64 80
MOUNTAIN HOME 92 60 85
=
IDZ016-241600-
WESTERN MAGIC VALLEY-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 84 TO 89. BREEZY. EAST WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 53 TO 59. BREEZY. EAST WINDS 10 TO
20 MPH WITH GUSTS TO 35 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 86. BREEZY. EAST WINDS 10 TO
15 MPH IN THE MORNING, SHIFTING TO WEST 10 TO 20 MPH WITH GUSTS
TO 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50. WINDY. WEST WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH.
SATURDAY
MOSTLY SUNNY. COOLER WITH HIGHS 68 TO 73. WEST WINDS
10 TO 15 MPH. GUSTS TO 30 MPH IN THE MORNING.
SATURDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 49.
SUNDAY
PARTLY SUNNY. HIGHS 70 TO 75.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 44 TO 49.
MONDAY
MOSTLY SUNNY. HIGHS 64 TO 69. BREEZY.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 39 TO 44.
HIGHS 65 TO 73. BREEZY.
TEMPERATURE
JEROME 85 56 81
TWIN FALLS 85 57 82
=
IDZ029-241600-
OWYHEE MOUNTAINS-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 83 TO 88.
TONIGHT
PARTLY CLOUDY. LOWS 55 TO 65. BREEZY.
FRIDAY
PARTLY SUNNY. NOT AS WARM WITH HIGHS 70 TO 76.
TEMPERATURE FALLING INTO THE UPPER 60S IN THE AFTERNOON. WINDY.
WEST WINDS AROUND 25 MPH IN THE AFTERNOON. GUSTS TO 35 MPH.
FRIDAY NIGHT
DECREASING CLOUDS. MUCH COLDER WITH LOWS 39 TO
47. BREEZY.
SATURDAY
MOSTLY SUNNY. HIGHS 60 TO 69.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. LOWS 44 TO 50. HIGHS
63 TO 70.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
IN THE EVENING. CHANCE OF RAIN 30 PERCENT. LOWS 40 TO 48.
MONDAY
DECREASING CLOUDS. HIGHS 62 TO 67.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 37 TO 47.
HIGHS 63 TO 72.
=
IDZ015-241600-
SOUTHWEST HIGHLANDS-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 82 TO 88. BREEZY.
TONIGHT
INCREASING CLOUDS. LOWS 50 TO 58. BREEZY.
FRIDAY
PARTLY SUNNY. HIGHS 76 TO 82. WINDY. SOUTHWEST WINDS
AROUND 25 MPH IN THE AFTERNOON. GUSTS TO 35 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. COLDER WITH LOWS 40 TO 45. WINDY.
NORTHWEST WINDS AROUND 25 MPH IN THE EVENING. GUSTS TO 35 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 67 TO 74.
SATURDAY NIGHT AND SUNDAY
INCREASING CLOUDS. LOWS 42 TO 47.
HIGHS 68 TO 73.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 41 TO 46.
MONDAY
MOSTLY SUNNY. HIGHS 63 TO 68.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 35 TO 42.
HIGHS 64 TO 73.
=
IDZ030-241600-
SOUTHERN TWIN FALLS COUNTY-
230 AM MDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 82 TO 87. BREEZY.
TONIGHT
MOSTLY CLEAR. LOWS 54 TO 59. WINDY. SOUTHEAST WINDS
AROUND 25 MPH IN THE EVENING. GUSTS TO 35 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 79 TO 84. BREEZY.
FRIDAY NIGHT
PARTLY CLOUDY. COLDER WITH LOWS 42 TO 47. WINDY.
WEST WINDS AROUND 25 MPH IN THE EVENING. GUSTS TO 35 MPH.
SATURDAY
MOSTLY SUNNY. COOLER WITH HIGHS 68 TO 73.
SATURDAY NIGHT
INCREASING CLOUDS. LOWS 43 TO 48.
SUNDAY
PARTLY SUNNY. HIGHS 70 TO 75.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 42 TO 47.
MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN 20 PERCENT. HIGHS 62 TO 67.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 36 TO 42.
HIGHS 64 TO 72.
=
ORZ062-241600-
BAKER COUNTY-
130 AM PDT THU SEP 24 2026
TODAY
SUNNY. HIGHS 79 TO 87. BREEZY. SOUTHEAST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
INCREASING CLOUDS. LOWS 46 TO 59. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH.
FRIDAY
PARTLY SUNNY. COOLER WITH HIGHS 66 TO 76. BREEZY.
SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
AREAS OF FOG AFTER MIDNIGHT. MUCH COLDER WITH LOWS 31 TO 44.
BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
SATURDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS
60 TO 68. NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. LOWS 35 TO 46. HIGHS
62 TO 70.
SUNDAY NIGHT
DECREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT.
LOWS 30 TO 43.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 62 TO 70.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 31 TO 44. HIGHS
64 TO 71.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
34 TO 46.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 65 TO 72.
TEMPERATURE
BAKER CITY 84 46 69
=
ORZ061-241600-
HARNEY COUNTY-
130 AM PDT THU SEP 24 2026
TODAY
MOSTLY SUNNY. HIGHS 78 TO 86. BREEZY. SOUTHEAST WINDS UP
TO 10 MPH THIS MORNING, INCREASING TO SOUTH 10 TO 20 MPH WITH
GUSTS TO 30 MPH THIS AFTERNOON.
TONIGHT
INCREASING CLOUDS. LOWS 43 TO 55. BREEZY. SOUTH WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. MUCH COOLER WITH HIGHS 62 TO 68. WINDY. SOUTHWEST WINDS
10 TO 20 MPH IN THE MORNING, BECOMING WEST 20 TO 25 MPH IN THE
AFTERNOON. GUSTS TO 35 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. COLDER
WITH LOWS 30 TO 40. WINDY. NORTHWEST WINDS 15 TO 25 MPH WITH
GUSTS TO 35 MPH IN THE EVENING, DECREASING TO 10 TO 15 MPH AFTER
MIDNIGHT.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 60 TO
66. LIGHT WINDS.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 31 TO
44. HIGHS 63 TO 68.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 61 TO 69.
LOWS 31 TO 42.
WEDNESDAY
SUNNY. HIGHS 66 TO 73.
TEMPERATURE
BURNS 85 43 65
=
ORZ063-241600-
MALHEUR COUNTY-
230 AM MDT THU SEP 24 2026 /130 AM PDT THU SEP 24 2026/
TODAY
SUNNY. HIGHS 83 TO 90. BREEZY. SOUTHEAST WINDS 10 TO
20 MPH. GUSTS TO 30 MPH THIS AFTERNOON.
TONIGHT
INCREASING CLOUDS. LOWS 52 TO 61. BREEZY. SOUTH WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. NOT AS WARM WITH HIGHS 69 TO 77. WINDY. SOUTHWEST WINDS
10 TO 20 MPH IN THE MORNING, BECOMING WEST 20 TO 25 MPH IN THE
AFTERNOON. GUSTS TO 35 MPH.
FRIDAY NIGHT
DECREASING CLOUDS. MUCH COLDER WITH LOWS 36 TO
46. WINDY. NORTHWEST WINDS 15 TO 25 MPH IN THE EVENING,
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 63 TO
70. NORTH WINDS UP TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO
47. HIGHS 66 TO 72.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 65 TO 74. LOWS
35 TO 45.
=
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