028
FPUS55 KBOI 250831
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 AM MDT FRI SEP 25 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND SATURDAY.
IDZ011-251600-
WEST CENTRAL MOUNTAINS-
230 AM MDT FRI SEP 25 2026
TODAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS THIS AFTERNOON.
AREAS OF SMOKE THIS AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS
60 TO 73. TEMPERATURE FALLING INTO THE LOWER 60S THIS AFTERNOON.
BREEZY.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. PATCHY SMOKE IN THE EVENING. AREAS OF FOG AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. MUCH COLDER WITH LOWS 31 TO
41.
SATURDAY
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY. COOLER
WITH HIGHS 51 TO 64.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 35 TO 46.
SUNDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 56 TO 69.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. AREAS
OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 34 TO 44.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 56 TO 69.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 34 TO 44.
TUESDAY
MOSTLY SUNNY. HIGHS 56 TO 68.
TUESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
35 TO 45.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 57 TO 69.
WEDNESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 35 TO 45.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 57 TO 69.
TEMPERATURE
MCCALL 67 32 58
=
IDZ013-251600-
BOISE MOUNTAINS-
230 AM MDT FRI SEP 25 2026
TODAY
MOSTLY SUNNY. NOT AS WARM WITH HIGHS 64 TO 79.
TEMPERATURE FALLING TO AROUND 70 THIS AFTERNOON. BREEZY.
TONIGHT
DECREASING CLOUDS. MUCH COLDER WITH LOWS 29 TO 44.
BREEZY.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 54 TO
68.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 36 TO 51.
SUNDAY
MOSTLY CLOUDY. HIGHS 58 TO 73.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 34 TO 49.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 59 TO 74. LOWS
29 TO 44.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 30 TO 45.
THURSDAY
SUNNY. HIGHS 59 TO 74.
TEMPERATURE
IDAHO CITY 77 34 67
=
IDZ028-251600-
CAMAS PRAIRIE-
230 AM MDT FRI SEP 25 2026
TODAY
MOSTLY SUNNY. HIGHS 74 TO 79. BREEZY. EAST WINDS AROUND
10 MPH WITH GUSTS TO 20 MPH THIS MORNING, SHIFTING TO SOUTHWEST
10 TO 20 MPH WITH GUSTS TO 35 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. COLDER WITH LOWS 33 TO 38. WINDY. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE EVENING,
DECREASING TO 10 TO 15 MPH WITH GUSTS TO 25 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. COOLER WITH HIGHS 63 TO 68. WEST WINDS
UP TO 10 MPH. GUSTS TO 20 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 43. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 67 TO 72. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 43.
MONDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 65 TO 72. LOWS
32 TO 38. BREEZY.
TEMPERATURE
FAIRFIELD 77 33 66
=
IDZ033-251600-
UPPER WEISER RIVER-
230 AM MDT FRI SEP 25 2026
TODAY
PARTLY SUNNY. NOT AS WARM WITH HIGHS 71 TO 77. BREEZY.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. MUCH COLDER WITH LOWS 38 TO 43. BREEZY.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
SATURDAY
DECREASING CLOUDS. HIGHS 61 TO 68. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 66 TO 73. NORTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 43 TO 48.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 67 TO 75. LOWS
42 TO 47.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 49.
WEDNESDAY
SUNNY. HIGHS 68 TO 75.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 49.
THURSDAY
SUNNY. HIGHS 68 TO 74.
TEMPERATURE
COUNCIL 77 40 67
CAMBRIDGE 77 39 68
=
ORZ064-251600-
OREGON LOWER TREASURE VALLEY-
230 AM MDT FRI SEP 25 2026 /130 AM PDT FRI SEP 25 2026/
TODAY
DECREASING CLOUDS. NOT AS WARM WITH HIGHS 74 TO 79.
BREEZY. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. MUCH COOLER WITH LOWS 41 TO 46. BREEZY. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH.
SATURDAY
INCREASING CLOUDS. HIGHS 66 TO 71. NORTH WINDS UP TO
10 MPH. GUSTS TO 20 MPH IN THE MORNING.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO 49. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 70 TO 75. LIGHT WINDS.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 44 TO 49.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 72 TO 78. LOWS
41 TO 49.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 42 TO 48.
THURSDAY
SUNNY. HIGHS 71 TO 76.
TEMPERATURE
ONTARIO 78 42 68
=
IDZ012-251600-
LOWER TREASURE VALLEY-
230 AM MDT FRI SEP 25 2026
TODAY
DECREASING CLOUDS. NOT AS WARM WITH HIGHS 75 TO 80.
TEMPERATURE FALLING INTO THE MID 70S THIS AFTERNOON. BREEZY.
SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS MORNING,
SHIFTING TO WEST 15 TO 20 MPH WITH GUSTS TO 35 MPH THIS
AFTERNOON.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. MUCH COOLER WITH LOWS 42 TO 47. BREEZY. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH.
SATURDAY
MOSTLY CLOUDY. COOLER WITH HIGHS 65 TO 70. NORTHWEST
WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 69 TO 74. NORTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 44 TO 49.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 71 TO 77. LOWS
43 TO 49.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 49.
THURSDAY
SUNNY. HIGHS 71 TO 76.
TEMPERATURE
CALDWELL 78 45 67
=
IDZ014-251600-
UPPER TREASURE VALLEY-
230 AM MDT FRI SEP 25 2026
TODAY
MOSTLY SUNNY. NOT AS WARM WITH HIGHS 78 TO 85. WINDY.
SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS MORNING,
SHIFTING TO WEST 15 TO 25 MPH WITH GUSTS TO 45 MPH THIS
AFTERNOON.
TONIGHT
MOSTLY CLEAR. MUCH COOLER WITH LOWS 42 TO 47. WINDY.
NORTHWEST WINDS 15 TO 25 MPH. GUSTS TO 45 MPH IN THE EVENING,
DECREASING TO 35 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. COOLER WITH HIGHS 65 TO 70. NORTHWEST
WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 50. NORTHWEST WINDS
UP TO 10 MPH. GUSTS TO 20 MPH IN THE EVENING.
SUNDAY
MOSTLY CLOUDY. HIGHS 71 TO 76. NORTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 50.
MONDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 70 TO 78. LOWS
42 TO 49. BREEZY.
TEMPERATURE
BOISE 78 47 67
MOUNTAIN HOME 83 44 69
=
IDZ016-251600-
WESTERN MAGIC VALLEY-
230 AM MDT FRI SEP 25 2026
TODAY
MOSTLY SUNNY. HIGHS 79 TO 84. BREEZY. SOUTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH THIS MORNING, SHIFTING TO WEST
10 TO 20 MPH WITH GUSTS TO 40 MPH THIS AFTERNOON.
TONIGHT
PARTLY CLOUDY. COOLER WITH LOWS 43 TO 48. WINDY. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.
SATURDAY
MOSTLY CLOUDY. COOLER WITH HIGHS 66 TO 71. WEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH IN THE MORNING.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 70 TO 75. LIGHT WINDS IN THE
MORNING, BECOMING NORTHWEST UP TO 10 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 46 TO 51.
MONDAY
MOSTLY SUNNY. HIGHS 67 TO 72. BREEZY.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 41 TO 46.
HIGHS 67 TO 76. BREEZY.
TEMPERATURE
JEROME 80 46 67
TWIN FALLS 80 46 66
=
IDZ029-251600-
OWYHEE MOUNTAINS-
230 AM MDT FRI SEP 25 2026
TODAY
MOSTLY SUNNY. COOLER WITH HIGHS 70 TO 75. TEMPERATURE
FALLING INTO THE UPPER 60S THIS AFTERNOON. WINDY. WEST WINDS
AROUND 25 MPH THIS AFTERNOON. GUSTS TO 35 MPH.
TONIGHT
PARTLY CLOUDY. MUCH COLDER WITH LOWS 36 TO 44. WINDY.
NORTHWEST WINDS AROUND 25 MPH IN THE EVENING.
SATURDAY
MOSTLY CLOUDY. HIGHS 57 TO 67.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO 49.
SUNDAY
MOSTLY CLOUDY. HIGHS 62 TO 70.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 41 TO 48.
MONDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 64 TO 72. LOWS
39 TO 49.
=
IDZ015-251600-
SOUTHWEST HIGHLANDS-
230 AM MDT FRI SEP 25 2026
TODAY
PARTLY SUNNY. HIGHS 75 TO 81. WINDY. SOUTHWEST WINDS
AROUND 25 MPH THIS AFTERNOON. GUSTS TO 40 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. MUCH
COLDER WITH LOWS 37 TO 42. BREEZY.
SATURDAY
MOSTLY CLOUDY. HIGHS 64 TO 72.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 42 TO 47.
SUNDAY
MOSTLY CLOUDY. HIGHS 68 TO 73.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 42 TO 47.
MONDAY
MOSTLY SUNNY. HIGHS 65 TO 70.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 37 TO 44.
HIGHS 67 TO 75.
=
IDZ030-251600-
SOUTHERN TWIN FALLS COUNTY-
230 AM MDT FRI SEP 25 2026
TODAY
MOSTLY SUNNY. HIGHS 77 TO 82. WINDY. SOUTHWEST WINDS
AROUND 25 MPH THIS AFTERNOON. GUSTS TO 35 MPH.
TONIGHT
PARTLY CLOUDY. MUCH COLDER WITH LOWS 40 TO 45. WINDY.
WEST WINDS AROUND 25 MPH WITH GUSTS TO 40 MPH IN THE EVENING.
SATURDAY
DECREASING CLOUDS. COOLER WITH HIGHS 65 TO 70.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS 42 TO 47.
SUNDAY
DECREASING CLOUDS. HIGHS 69 TO 74.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49.
MONDAY
DECREASING CLOUDS. HIGHS 65 TO 70.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 39 TO 45.
HIGHS 66 TO 76. BREEZY.
=
ORZ062-251600-
BAKER COUNTY-
130 AM PDT FRI SEP 25 2026
TODAY
DECREASING CLOUDS. A 30 PERCENT CHANCE OF RAIN SHOWERS.
COOLER WITH HIGHS 64 TO 74. BREEZY. SOUTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO 35 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. AREAS OF FOG AFTER MIDNIGHT. MUCH COLDER WITH LOWS 30 TO
42. BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
SATURDAY
DECREASING CLOUDS. AREAS OF FOG IN THE MORNING. HIGHS
59 TO 67. NORTHWEST WINDS UP TO 10 MPH IN THE MORNING, BECOMING
LIGHT IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS 33 TO 44. LIGHT WINDS.
SUNDAY
DECREASING CLOUDS. HIGHS 63 TO 70. NORTHWEST WINDS UP
TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
33 TO 43.
MONDAY
SUNNY. HIGHS 65 TO 73.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 32 TO 44. HIGHS
66 TO 73.
TUESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
34 TO 47.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 66 TO 73.
WEDNESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 34 TO 46.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 65 TO 73.
TEMPERATURE
BAKER CITY 68 30 64
=
ORZ061-251600-
HARNEY COUNTY-
130 AM PDT FRI SEP 25 2026
TODAY
PARTLY SUNNY THIS MORNING, THEN CLEARING. MUCH COOLER
WITH HIGHS 62 TO 67. WINDY. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
35 MPH.
TONIGHT
INCREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT. MUCH
COLDER WITH LOWS 29 TO 39. BREEZY. NORTHWEST WINDS 10 TO 20 MPH.
GUSTS TO 35 MPH IN THE EVENING, DECREASING TO 25 MPH AFTER
MIDNIGHT.
SATURDAY
CLOUDY IN THE MORNING, THEN BECOMING MOSTLY SUNNY.
AREAS OF FOG IN THE MORNING. HIGHS 60 TO 66. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 35 TO 44. NORTHEAST WINDS
UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. HIGHS 63 TO 69. NORTHEAST WINDS UP
TO 10 MPH IN THE MORNING, SHIFTING TO WEST WITH GUSTS TO 20 MPH
IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
33 TO 41.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 64 TO 71. LOWS
32 TO 41.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 33 TO 43. HIGHS 67 TO 73.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 33 TO 43.
HIGHS 66 TO 72.
TEMPERATURE
BURNS 65 29 65
=
ORZ063-251600-
MALHEUR COUNTY-
230 AM MDT FRI SEP 25 2026 /130 AM PDT FRI SEP 25 2026/
TODAY
MOSTLY SUNNY. MUCH COOLER WITH HIGHS 68 TO 76. WINDY.
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
TONIGHT
INCREASING CLOUDS. MUCH COLDER WITH LOWS 35 TO 45.
BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
SATURDAY
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS
61 TO 68. NORTH WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 39 TO 47. NORTHEAST WINDS
UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. HIGHS 66 TO 72. LIGHT WINDS IN THE
MORNING, BECOMING NORTH 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS 38 TO 47.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 67 TO 75. LOWS
36 TO 46.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 38 TO 48. HIGHS 70 TO 75.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 38 TO 47.
HIGHS 69 TO 75.
=
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