236
FPUS55 KBOI 260831
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 AM MDT SAT SEP 26 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND SUNDAY.
IDZ011-261600-
WEST CENTRAL MOUNTAINS-
230 AM MDT SAT SEP 26 2026
TODAY
AREAS OF FOG THIS MORNING. PARTLY SUNNY. HIGHS 51 TO 64.
TONIGHT
MOSTLY CLOUDY. LOWS 33 TO 44.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 56 TO 69.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN
40 PERCENT. LOWS 37 TO 46.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 59 TO 72.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 35 TO 45. HIGHS
59 TO 71.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 37 TO 47.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 57 TO 70.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. AREAS OF FOG.
LOWS 36 TO 46. HIGHS 54 TO 69.
TEMPERATURE
MCCALL 58 33 63
=
IDZ013-261600-
BOISE MOUNTAINS-
230 AM MDT SAT SEP 26 2026
TODAY
INCREASING CLOUDS. AREAS OF FOG THIS MORNING. COOLER
WITH HIGHS 55 TO 69.
TONIGHT
MOSTLY CLOUDY. LOWS 36 TO 51.
SUNDAY
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS
58 TO 73.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 36 TO 51.
MONDAY
SUNNY. HIGHS 62 TO 76.
MONDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO
47. HIGHS 61 TO 75.
FRIDAY
MOSTLY SUNNY. HIGHS 57 TO 71.
TEMPERATURE
IDAHO CITY 68 40 72
=
IDZ028-261600-
CAMAS PRAIRIE-
230 AM MDT SAT SEP 26 2026
TODAY
PARTLY SUNNY. COOLER WITH HIGHS 63 TO 68. WEST WINDS
AROUND 10 MPH WITH GUSTS TO 20 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 39 TO 44. NORTHWEST WINDS UP TO
10 MPH.
SUNDAY
CLOUDY. HIGHS 69 TO 74. NORTHEAST WINDS AROUND 10 MPH
IN THE MORNING, SHIFTING TO SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 42 TO 47. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
DECREASING CLOUDS. HIGHS 69 TO 74. LIGHT WINDS IN THE
MORNING, BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 40.
TUESDAY
SUNNY. HIGHS 68 TO 73.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 41.
WEDNESDAY
SUNNY. HIGHS 68 TO 73.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 35 TO 40.
HIGHS 67 TO 72.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS
64 TO 69.
TEMPERATURE
FAIRFIELD 66 39 72
=
IDZ033-261600-
UPPER WEISER RIVER-
230 AM MDT SAT SEP 26 2026
TODAY
DECREASING CLOUDS. PATCHY FOG THIS MORNING. HIGHS 62 TO
69. NORTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 42 TO 47. NORTH WINDS UP TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 67 TO 73. NORTHEAST WINDS UP TO
10 MPH IN THE MORNING, BECOMING LIGHT IN THE AFTERNOON.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 45 TO 50. NORTH WINDS
10 TO 15 MPH.
MONDAY
SUNNY. HIGHS 70 TO 77. NORTH WINDS 10 TO 15 MPH.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 43 TO 51.
HIGHS 69 TO 77.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
44 TO 50. HIGHS 68 TO 75.
FRIDAY
SUNNY. HIGHS 66 TO 72.
TEMPERATURE
COUNCIL 68 43 72
CAMBRIDGE 69 42 73
=
ORZ064-261600-
OREGON LOWER TREASURE VALLEY-
230 AM MDT SAT SEP 26 2026 /130 AM PDT SAT SEP 26 2026/
TODAY
DECREASING CLOUDS. HIGHS 67 TO 72. NORTH WINDS 10 TO
15 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 42 TO 47. NORTH WINDS UP TO
10 MPH.
SUNDAY
CLOUDY. HIGHS 70 TO 75. NORTH WINDS UP TO 10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 45 TO 50. NORTH WINDS
10 TO 15 MPH. GUSTS TO 25 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 75 TO 80. NORTHWEST WINDS 10 TO 15 MPH.
GUSTS TO 25 MPH IN THE MORNING.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 42 TO 51.
HIGHS 73 TO 80.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 43 TO 49.
FRIDAY
SUNNY. HIGHS 70 TO 75.
TEMPERATURE
ONTARIO 70 42 73
=
IDZ012-261600-
LOWER TREASURE VALLEY-
230 AM MDT SAT SEP 26 2026
TODAY
PARTLY SUNNY. COOLER WITH HIGHS 66 TO 71. NORTHWEST
WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 43 TO 48. NORTHWEST WINDS UP TO
10 MPH.
SUNDAY
CLOUDY. HIGHS 70 TO 75. NORTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 46 TO 51. NORTH WINDS
AROUND 10 MPH WITH GUSTS TO 20 MPH.
MONDAY
SUNNY. HIGHS 74 TO 79. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH.
MONDAY NIGHT
CLEAR. LOWS 43 TO 48.
TUESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
44 TO 51.
TEMPERATURE
CALDWELL 69 45 72
=
IDZ014-261600-
UPPER TREASURE VALLEY-
230 AM MDT SAT SEP 26 2026
TODAY
INCREASING CLOUDS. COOLER WITH HIGHS 67 TO 72. NORTHWEST
WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 45 TO 50. NORTHWEST WINDS UP TO
10 MPH.
SUNDAY
CLOUDY. HIGHS 70 TO 76. LIGHT WINDS IN THE MORNING,
BECOMING NORTHWEST 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 47 TO 52. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH.
MONDAY
SUNNY. HIGHS 74 TO 79. BREEZY. NORTHWEST WINDS 10 TO
20 MPH. GUSTS TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 42 TO 48.
TUESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 73 TO 78.
LOWS 43 TO 51.
FRIDAY
MOSTLY SUNNY. HIGHS 69 TO 74.
TEMPERATURE
BOISE 69 50 72
MOUNTAIN HOME 70 47 74
=
IDZ016-261600-
WESTERN MAGIC VALLEY-
230 AM MDT SAT SEP 26 2026
TODAY
PARTLY SUNNY. COOLER WITH HIGHS 66 TO 71. WEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH THIS MORNING.
TONIGHT
MOSTLY CLOUDY. LOWS 44 TO 49. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY
CLOUDY. HIGHS 72 TO 77. EAST WINDS AROUND 10 MPH IN THE
MORNING, SHIFTING TO NORTH IN THE AFTERNOON. GUSTS TO 20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 48 TO 53. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH.
MONDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS 72 TO
77. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46. BREEZY.
TUESDAY
SUNNY. HIGHS 70 TO 75.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 43 TO 49.
HIGHS 70 TO 76. BREEZY.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS
66 TO 71.
TEMPERATURE
JEROME 66 47 74
TWIN FALLS 67 45 73
=
IDZ029-261600-
OWYHEE MOUNTAINS-
230 AM MDT SAT SEP 26 2026
TODAY
INCREASING CLOUDS. HIGHS 58 TO 67.
TONIGHT
CLOUDY. LOWS 43 TO 50.
SUNDAY
CLOUDY. HIGHS 64 TO 71.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. CHANCE OF RAIN 20 PERCENT. LOWS 43 TO 49.
MONDAY
SUNNY. HIGHS 66 TO 72.
MONDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO
50. HIGHS 66 TO 73.
FRIDAY
MOSTLY SUNNY. HIGHS 62 TO 68.
=
IDZ015-261600-
SOUTHWEST HIGHLANDS-
230 AM MDT SAT SEP 26 2026
TODAY
INCREASING CLOUDS. HIGHS 64 TO 71.
TONIGHT
MOSTLY CLOUDY. LOWS 42 TO 47.
SUNDAY
CLOUDY. HIGHS 69 TO 74.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 49.
MONDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS 69 TO
74. BREEZY.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 38 TO 46.
HIGHS 69 TO 76.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 41 TO 46. HIGHS
66 TO 71.
=
IDZ030-261600-
SOUTHERN TWIN FALLS COUNTY-
230 AM MDT SAT SEP 26 2026
TODAY
PARTLY SUNNY. COOLER WITH HIGHS 65 TO 70.
TONIGHT
MOSTLY CLOUDY. LOWS 41 TO 46.
SUNDAY
MOSTLY CLOUDY. HIGHS 71 TO 76.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 50.
MONDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS 69 TO
74.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 40 TO 48.
HIGHS 68 TO 76.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 42 TO 47. HIGHS
65 TO 70.
=
ORZ062-261600-
BAKER COUNTY-
130 AM PDT SAT SEP 26 2026
TODAY
PARTLY SUNNY THIS MORNING, THEN CLEARING. AREAS OF FOG
THIS MORNING. HIGHS 60 TO 67. NORTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 32 TO 43. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 63 TO 71. NORTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 35 TO 45. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY
SUNNY. HIGHS 66 TO 73. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 35 TO 45. HIGHS
69 TO 76.
TUESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
35 TO 48.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 66 TO 73.
WEDNESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 33 TO 47.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 66 TO 73.
THURSDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 32 TO 46.
FRIDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 62 TO 70.
TEMPERATURE
BAKER CITY 63 32 67
=
ORZ061-261600-
HARNEY COUNTY-
130 AM PDT SAT SEP 26 2026
TODAY
DECREASING CLOUDS. PATCHY FOG THIS MORNING. HIGHS 62 TO
67. NORTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 35 TO 45. NORTHEAST WINDS 10 TO
15 MPH.
SUNDAY
CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 66 TO 71. EAST WINDS
UP TO 10 MPH IN THE MORNING, SHIFTING TO SOUTH WITH GUSTS TO
25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. CHANCE
OF RAIN 20 PERCENT. LOWS 35 TO 44. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
SUNNY. HIGHS 67 TO 72. NORTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO
44. HIGHS 69 TO 75.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 67 TO 73.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS
31 TO 45. HIGHS 67 TO 73.
FRIDAY
SUNNY. HIGHS 63 TO 69.
TEMPERATURE
BURNS 66 35 70
=
ORZ063-261600-
MALHEUR COUNTY-
230 AM MDT SAT SEP 26 2026 /130 AM PDT SAT SEP 26 2026/
TODAY
DECREASING CLOUDS. AREAS OF FOG THIS MORNING. HIGHS
62 TO 69. NORTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 39 TO 48. NORTHEAST WINDS UP TO
10 MPH.
SUNDAY
CLOUDY. HIGHS 67 TO 73. NORTH WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. CHANCE
OF RAIN 20 PERCENT. LOWS 40 TO 49. NORTH WINDS 10 TO 15 MPH.
MONDAY
SUNNY. HIGHS 70 TO 76. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 35 TO 45.
HIGHS 70 TO 78.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 38 TO 48.
FRIDAY
SUNNY. HIGHS 66 TO 72.
=
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