989
FPUS55 KBOI 252032
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 PM MDT FRI SEP 25 2026
SPOT TEMPERATURES ARE FOR TONIGHT, SATURDAY, SATURDAY NIGHT, AND
SUNDAY.
IDZ011-260400-
WEST CENTRAL MOUNTAINS-
230 PM MDT FRI SEP 25 2026
TONIGHT
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS THIS
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. AREAS OF SMOKE THIS
EVENING. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.
MUCH COLDER WITH LOWS 31 TO 41.
SATURDAY
AREAS OF FOG IN THE MORNING. PARTLY SUNNY. HIGHS
52 TO 65.
SATURDAY NIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLOUDY.
LOWS 34 TO 46.
SUNDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS
56 TO 70.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN
20 PERCENT. LOWS 35 TO 45.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 59 TO 72.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 35 TO 44. HIGHS
58 TO 70.
TUESDAY NIGHT
INCREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 36 TO 46.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 58 TO 71.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 37 TO 47.
THURSDAY
MOSTLY SUNNY. HIGHS 57 TO 69.
THURSDAY NIGHT
INCREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT.
LOWS 35 TO 45.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. CHANCE OF PRECIPITATION
20 PERCENT. HIGHS 51 TO 63.
TEMPERATURE
MCCALL 31 58 34 63
=
IDZ013-260400-
BOISE MOUNTAINS-
230 PM MDT FRI SEP 25 2026
TONIGHT
DECREASING CLOUDS. MUCH COLDER WITH LOWS 29 TO 44.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. PATCHY FOG IN THE MORNING. COOLER WITH HIGHS 55 TO 69.
SATURDAY NIGHT
CLOUDY. LOWS 35 TO 50.
SUNDAY
CLOUDY. HIGHS 57 TO 72.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 33 TO 48.
MONDAY
MOSTLY SUNNY. HIGHS 60 TO 75.
MONDAY NIGHT
CLEAR. LOWS 30 TO 45.
TUESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 61 TO 75. LOWS
32 TO 47.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 46.
FRIDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 54 TO
68.
TEMPERATURE
IDAHO CITY 35 68 40 71
=
IDZ028-260400-
CAMAS PRAIRIE-
230 PM MDT FRI SEP 25 2026
TONIGHT
MOSTLY CLEAR. COLDER WITH LOWS 33 TO 38. BREEZY. WEST
WINDS 10 TO 20 MPH. GUSTS TO 30 MPH THIS EVENING.
SATURDAY
INCREASING CLOUDS. COOLER WITH HIGHS 63 TO 68. WEST
WINDS AROUND 10 MPH WITH GUSTS TO 20 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 43. WEST WINDS UP TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 68 TO 73. LIGHT WINDS IN THE
MORNING, BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO 42. WEST WINDS 10 TO
15 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 68 TO 73.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 34 TO 40.
HIGHS 67 TO 73.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS
61 TO 66. BREEZY.
TEMPERATURE
FAIRFIELD 33 66 38 70
=
IDZ033-260400-
UPPER WEISER RIVER-
230 PM MDT FRI SEP 25 2026
TONIGHT
MOSTLY CLEAR. MUCH COOLER WITH LOWS 39 TO 44.
NORTHWEST WINDS 10 TO 15 MPH.
SATURDAY
INCREASING CLOUDS. HIGHS 62 TO 69. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY. PATCHY SMOKE. LOWS 44 TO 50.
NORTH WINDS UP TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 67 TO 73. LIGHT WINDS.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 46 TO 51. NORTH WINDS UP
TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 69 TO 76. LOWS
43 TO 48.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 49.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 69 TO 76.
LOWS 45 TO 50.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 68 TO 75.
LOWS 43 TO 48.
FRIDAY
SUNNY. HIGHS 63 TO 70.
TEMPERATURE
COUNCIL 42 68 45 73
CAMBRIDGE 40 69 44 73
=
ORZ064-260400-
OREGON LOWER TREASURE VALLEY-
230 PM MDT FRI SEP 25 2026 /130 PM PDT FRI SEP 25 2026/
TONIGHT
MOSTLY CLEAR. MUCH COOLER WITH LOWS 43 TO 48.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
DECREASING CLOUDS. HIGHS 66 TO 71. NORTH WINDS UP TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 50. NORTHWEST WINDS
UP TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 70 TO 75. NORTHWEST WINDS UP TO
10 MPH IN THE MORNING, BECOMING LIGHT IN THE AFTERNOON.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 46 TO 51. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 74 TO 80.
LOWS 42 TO 50.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 73 TO 78.
LOWS 43 TO 49.
FRIDAY
SUNNY. HIGHS 68 TO 73. BREEZY.
TEMPERATURE
ONTARIO 43 69 44 73
=
IDZ012-260400-
LOWER TREASURE VALLEY-
230 PM MDT FRI SEP 25 2026
TONIGHT
MOSTLY CLEAR. MUCH COOLER WITH LOWS 41 TO 46.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
INCREASING CLOUDS. COOLER WITH HIGHS 66 TO 71.
NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 50. NORTHWEST WINDS
UP TO 10 MPH.
SUNDAY
CLOUDY. HIGHS 70 TO 75. LIGHT WINDS IN THE MORNING,
BECOMING NORTHEAST UP TO 10 MPH IN THE AFTERNOON.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 46 TO 51. NORTHWEST WINDS
UP TO 10 MPH.
MONDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 73 TO 79. LOWS
44 TO 50.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 49.
FRIDAY
SUNNY. HIGHS 67 TO 72.
TEMPERATURE
CALDWELL 43 69 46 72
=
IDZ014-260400-
UPPER TREASURE VALLEY-
230 PM MDT FRI SEP 25 2026
TONIGHT
AREAS OF BLOWING DUST THIS EVENING. MOSTLY CLEAR. MUCH
COOLER WITH LOWS 41 TO 46. WINDY. NORTHWEST WINDS 15 TO 25 MPH
WITH GUSTS TO 45 MPH THIS EVENING, DECREASING TO 10 TO 15 MPH
WITH GUSTS TO 25 MPH AFTER MIDNIGHT.
SATURDAY
INCREASING CLOUDS. COOLER WITH HIGHS 66 TO 71.
NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
SATURDAY NIGHT
CLOUDY. LOWS 44 TO 51. NORTHWEST WINDS UP TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 71 TO 76. LIGHT WINDS IN THE
MORNING, BECOMING NORTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 50. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
SUNNY. HIGHS 72 TO 77.
MONDAY NIGHT
CLEAR. LOWS 43 TO 48.
TUESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 73 TO 79. LOWS
43 TO 50.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 43 TO 49. HIGHS
66 TO 71. BREEZY.
TEMPERATURE
BOISE 45 68 51 72
MOUNTAIN HOME 43 69 47 74
=
IDZ016-260400-
WESTERN MAGIC VALLEY-
230 PM MDT FRI SEP 25 2026
TONIGHT
AREAS OF BLOWING DUST THIS EVENING. MOSTLY CLEAR.
COOLER WITH LOWS 42 TO 47. WINDY. WEST WINDS 15 TO 25 MPH WITH
GUSTS TO 40 MPH THIS EVENING, BECOMING SOUTHWEST 10 TO 15 MPH
WITH GUSTS TO 25 MPH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. COOLER WITH HIGHS 65 TO 70. WEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49. SOUTHWEST WINDS
UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. HIGHS 70 TO 75. LIGHT WINDS IN THE
MORNING, BECOMING NORTHWEST 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 46 TO 51. WEST WINDS 10 TO
15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 69 TO 74.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 42 TO 48.
HIGHS 69 TO 77. BREEZY.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS
63 TO 68. BREEZY.
TEMPERATURE
JEROME 45 66 47 71
TWIN FALLS 46 66 45 71
=
IDZ029-260400-
OWYHEE MOUNTAINS-
230 PM MDT FRI SEP 25 2026
TONIGHT
PARTLY CLOUDY. MUCH COLDER WITH LOWS 36 TO 44. BREEZY.
SATURDAY
INCREASING CLOUDS. HIGHS 58 TO 68.
SATURDAY NIGHT
CLOUDY. LOWS 44 TO 50.
SUNDAY
CLOUDY. HIGHS 63 TO 70.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 41 TO 49.
MONDAY
MOSTLY SUNNY. HIGHS 65 TO 71.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 40 TO 50.
HIGHS 66 TO 74.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 39 TO 48. HIGHS
59 TO 65.
=
IDZ015-260400-
SOUTHWEST HIGHLANDS-
230 PM MDT FRI SEP 25 2026
TONIGHT
DECREASING CLOUDS. MUCH COLDER WITH LOWS 37 TO 42.
WINDY. NORTHWEST WINDS AROUND 25 MPH WITH GUSTS TO 45 MPH THIS
EVENING.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS 63 TO 71.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 42 TO 47. BREEZY.
SUNDAY
MOSTLY CLOUDY. HIGHS 68 TO 73.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO 48.
MONDAY
DECREASING CLOUDS. HIGHS 67 TO 72.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 38 TO 46.
HIGHS 69 TO 76.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. COOLER. LOWS 40 TO
45. HIGHS 62 TO 67. BREEZY.
=
IDZ030-260400-
SOUTHERN TWIN FALLS COUNTY-
230 PM MDT FRI SEP 25 2026
TONIGHT
DECREASING CLOUDS. MUCH COLDER WITH LOWS 40 TO 45.
BREEZY. GUSTS TO 40 MPH THIS EVENING.
SATURDAY
PARTLY SUNNY. COOLER WITH HIGHS 65 TO 70.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 41 TO 46.
SUNDAY
DECREASING CLOUDS. HIGHS 70 TO 75.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49.
MONDAY
MOSTLY SUNNY. HIGHS 67 TO 72.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 40 TO 47.
HIGHS 67 TO 76.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS
62 TO 67. BREEZY.
=
ORZ062-260400-
BAKER COUNTY-
130 PM PDT FRI SEP 25 2026
TONIGHT
INCREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT. MUCH
COLDER WITH LOWS 30 TO 41. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. AREAS OF FOG IN THE MORNING. HIGHS 60 TO 68. NORTH WINDS
UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 32 TO 44. NORTH WINDS UP TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 63 TO 72. NORTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 32 TO 44. NORTHWEST WINDS
UP TO 10 MPH.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 67 TO 74.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 45.
TUESDAY
MOSTLY SUNNY. HIGHS 67 TO 74.
TUESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
34 TO 47.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 68 TO 75.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. AREAS OF
FOG. LOWS 32 TO 47. HIGHS 65 TO 73.
FRIDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 59 TO 67.
TEMPERATURE
BAKER CITY 30 64 32 67
=
ORZ061-260400-
HARNEY COUNTY-
130 PM PDT FRI SEP 25 2026
TONIGHT
INCREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT. MUCH
COLDER WITH LOWS 29 TO 37. BREEZY. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH THIS EVENING, DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. AREAS OF FOG IN THE MORNING. HIGHS 60 TO 66. NORTHEAST
WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 35 TO 46. NORTHEAST WINDS
UP TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 63 TO 69. NORTHEAST WINDS UP TO
10 MPH IN THE MORNING, SHIFTING TO WEST IN THE AFTERNOON. GUSTS
TO 20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
32 TO 41. NORTHWEST WINDS UP TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 64 TO 74. LOWS
32 TO 42.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
34 TO 44.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 69 TO 75.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
THURSDAY
MOSTLY SUNNY. HIGHS 66 TO 72.
THURSDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
31 TO 41.
FRIDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 60 TO 66.
TEMPERATURE
BURNS 29 66 35 69
=
ORZ063-260400-
MALHEUR COUNTY-
230 PM MDT FRI SEP 25 2026 /130 PM PDT FRI SEP 25 2026/
TONIGHT
INCREASING CLOUDS. MUCH COLDER WITH LOWS 35 TO 45.
BREEZY. NORTHWEST WINDS 10 TO 20 MPH THIS EVENING, DECREASING TO
AROUND 10 MPH AFTER MIDNIGHT.
SATURDAY
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS
63 TO 69. NORTH WINDS UP TO 10 MPH.
SATURDAY NIGHT
CLOUDY. LOWS 40 TO 49. NORTH WINDS UP TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 67 TO 73. NORTH WINDS UP TO
10 MPH. GUSTS TO 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 39 TO 48. NORTH WINDS
AROUND 10 MPH WITH GUSTS TO 20 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 69 TO 77. LOWS
36 TO 46.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
39 TO 49.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 72 TO 77.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 49.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 69 TO 76.
LOWS 37 TO 47.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 63 TO
70. BREEZY.
=
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