469
FPUS55 KBOI 130831
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 AM MDT SUN SEP 13 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND MONDAY.
IDZ011-131600-
WEST CENTRAL MOUNTAINS-
230 AM MDT SUN SEP 13 2026
TODAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A
CHANCE OF RAIN SHOWERS, MAINLY THIS MORNING. CHANCE OF RAIN
30 PERCENT. COOLER WITH HIGHS 48 TO 61.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT.
COLDER WITH LOWS 31 TO 41.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 55 TO 67.
MONDAY NIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS
33 TO 43.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 58 TO 70.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
36 TO 46.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG IN THE
MORNING. PATCHY FOG AFTER MIDNIGHT. HIGHS 60 TO 73. LOWS 36 TO
46.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. AREAS OF FOG IN THE MORNING. AREAS OF FOG AFTER
MIDNIGHT. HIGHS 63 TO 77. LOWS 38 TO 48.
FRIDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 65 TO 78.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS
67 TO 81.
TEMPERATURE
MCCALL 55 33 61
=
IDZ013-131600-
BOISE MOUNTAINS-
230 AM MDT SUN SEP 13 2026
TODAY
PATCHY FOG THIS MORNING. SUNNY. MUCH COOLER WITH HIGHS
53 TO 68.
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. COLDER WITH
LOWS 27 TO 42. BREEZY.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 56 TO 71.
MONDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 28 TO 43.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 62 TO 77.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 32 TO 47. HIGHS
63 TO 78.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 32 TO 47.
THURSDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY IN
THE AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 65 TO 79.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 34 TO 49.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 70 TO 85. LOWS
35 TO 50.
TEMPERATURE
IDAHO CITY 65 34 68
=
IDZ028-131600-
CAMAS PRAIRIE-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY, COOLER WITH HIGHS 64 TO 69. BREEZY. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH.
TONIGHT
MOSTLY CLEAR. MUCH COLDER WITH LOWS 28 TO 35. BREEZY.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
MONDAY
SUNNY. HIGHS 65 TO 70. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
29 TO 35. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE
EVENING, BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY
SUNNY. HIGHS 70 TO 75. LIGHT WINDS IN THE MORNING,
BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 34 TO 40. HIGHS
71 TO 76.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY
CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. LOWS 35 TO 41.
THURSDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 72 TO 82. LOWS
36 TO 44.
TEMPERATURE
FAIRFIELD 67 29 68
=
IDZ033-131600-
UPPER WEISER RIVER-
230 AM MDT SUN SEP 13 2026
TODAY
PARTLY CLOUDY. A CHANCE OF SHOWERS THIS MORNING. CHANCE
OF RAIN 30 PERCENT. COOLER WITH HIGHS 63 TO 69. BREEZY. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. PATCHY
FOG AFTER MIDNIGHT. LOWS 40 TO 45. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 65 TO 72.
NORTHEAST WINDS UP TO 10 MPH IN THE MORNING, BECOMING LIGHT IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 70 TO 76. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 72 TO 80.
LOWS 45 TO 52.
FRIDAY
SUNNY. HIGHS 76 TO 83.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS
78 TO 84.
TEMPERATURE
COUNCIL 66 41 70
CAMBRIDGE 69 41 72
=
ORZ064-131600-
OREGON LOWER TREASURE VALLEY-
230 AM MDT SUN SEP 13 2026 /130 AM PDT SUN SEP 13 2026/
TODAY
SUNNY, COOLER WITH HIGHS 68 TO 73. BREEZY. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 42 TO 47. BREEZY. NORTHWEST WINDS
10 TO 20 MPH IN THE EVENING, BECOMING WEST UP TO 10 MPH AFTER
MIDNIGHT.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 70 TO 75. WEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 40 TO 47. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 74 TO 79. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
WEDNESDAY
SUNNY. HIGHS 75 TO 80.
WEDNESDAY NIGHT
CLEAR. LOWS 45 TO 51.
THURSDAY
SUNNY. HIGHS 76 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 45 TO 52.
FRIDAY
SUNNY. HIGHS 79 TO 84.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS
81 TO 86.
TEMPERATURE
ONTARIO 71 42 73
=
IDZ012-131600-
LOWER TREASURE VALLEY-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY. MUCH COOLER WITH HIGHS 68 TO 73. BREEZY. WEST
WINDS 10 TO 20 MPH.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 41 TO
46. BREEZY. WEST WINDS 10 TO 20 MPH IN THE EVENING, BECOMING
NORTHWEST UP TO 10 MPH AFTER MIDNIGHT.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 69 TO 74.
NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 41 TO 46.
NORTH WINDS UP TO 10 MPH.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 74 TO 79.
LIGHT WINDS.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 45 TO 50.
WEDNESDAY
SUNNY. HIGHS 74 TO 79.
WEDNESDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 45 TO
50.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 76 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 46 TO 51.
FRIDAY
SUNNY. HIGHS 79 TO 84.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS
82 TO 87.
TEMPERATURE
CALDWELL 72 45 73
=
IDZ014-131600-
UPPER TREASURE VALLEY-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY. MUCH COOLER WITH HIGHS 68 TO 73. WINDY. NORTHWEST
WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. COOLER WITH
LOWS 41 TO 48. BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
35 MPH.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 68 TO 73.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
40 TO 47. NORTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
EVENING.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 75 TO 80. EAST
WINDS AROUND 10 MPH IN THE MORNING, SHIFTING TO WEST IN THE
AFTERNOON.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 44 TO 51.
HIGHS 74 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 45 TO 52.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 81 TO 89. LOWS
47 TO 54.
TEMPERATURE
BOISE 69 48 70
MOUNTAIN HOME 72 43 72
=
IDZ016-131600-
WESTERN MAGIC VALLEY-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY. MUCH COOLER WITH HIGHS 67 TO 72. BREEZY. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. MUCH COLDER WITH LOWS 39 TO 44. BREEZY.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
MONDAY
SUNNY. HIGHS 65 TO 70. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 42. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 74 TO 79. EAST WINDS AROUND 10 MPH IN THE
MORNING, SHIFTING TO NORTH UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO
48. HIGHS 72 TO 79.
FRIDAY
SUNNY. HIGHS 78 TO 83.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
81 TO 86.
TEMPERATURE
JEROME 69 43 66
TWIN FALLS 69 43 66
=
IDZ029-131600-
OWYHEE MOUNTAINS-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY. MUCH COOLER WITH HIGHS 60 TO 65. BREEZY.
TONIGHT
MOSTLY CLEAR. LOWS 35 TO 44. BREEZY.
MONDAY
SUNNY. HIGHS 62 TO 67.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 46.
TUESDAY
SUNNY. HIGHS 68 TO 74.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO
51. HIGHS 66 TO 75.
FRIDAY
SUNNY. HIGHS 73 TO 80.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS
76 TO 84.
=
IDZ015-131600-
SOUTHWEST HIGHLANDS-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY. MUCH COOLER WITH HIGHS 67 TO 72. BREEZY.
TONIGHT
MOSTLY CLEAR. COLDER WITH LOWS 35 TO 41. WINDY.
NORTHWEST WINDS AROUND 25 MPH WITH GUSTS TO 35 MPH IN THE
EVENING.
MONDAY
SUNNY. HIGHS 64 TO 69.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 40.
TUESDAY
SUNNY. HIGHS 72 TO 77.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS
69 TO 74.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY
CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. LOWS 40 TO 45.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 72 TO 77. LOWS
42 TO 47.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 77 TO 86. LOWS
45 TO 50.
=
IDZ030-131600-
SOUTHERN TWIN FALLS COUNTY-
230 AM MDT SUN SEP 13 2026
TODAY
SUNNY, COOLER WITH HIGHS 68 TO 73. BREEZY.
TONIGHT
MOSTLY CLEAR. MUCH COLDER WITH LOWS 36 TO 41. BREEZY.
MONDAY
SUNNY. HIGHS 64 TO 69.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 40.
TUESDAY
SUNNY, WARMER WITH HIGHS 73 TO 78.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO
46. HIGHS 71 TO 78.
FRIDAY
SUNNY. HIGHS 77 TO 82.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
81 TO 86.
=
ORZ062-131600-
BAKER COUNTY-
130 AM PDT SUN SEP 13 2026
TODAY
AREAS OF FOG THIS MORNING. PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN SHOWERS. MUCH COOLER WITH HIGHS 57 TO
67. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. AREAS OF FOG AFTER
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 33 TO 45. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 65 TO 72.
WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS
34 TO 46. LIGHT WINDS.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 68 TO 76.
LIGHT WINDS IN THE MORNING, BECOMING SOUTHEAST UP TO 10 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
35 TO 47.
WEDNESDAY THROUGH THURSDAY
AREAS OF FOG IN THE MORNING. AREAS
OF FOG THROUGH THE DAY. MOSTLY CLEAR. HIGHS 69 TO 79. LOWS 36 TO
48.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 52.
FRIDAY
SUNNY. HIGHS 76 TO 83.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 40 TO 53. HIGHS
78 TO 84.
TEMPERATURE
BAKER CITY 61 33 68
=
ORZ061-131600-
HARNEY COUNTY-
130 AM PDT SUN SEP 13 2026
TODAY
MOSTLY SUNNY. MUCH COOLER WITH HIGHS 56 TO 62. BREEZY.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 31 TO
40. BREEZY. WEST WINDS 10 TO 20 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 62 TO 69.
WEST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 43. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 67 TO 75. LIGHT WINDS IN THE MORNING,
BECOMING SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 36 TO 46.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 76.
LOWS 36 TO 48.
FRIDAY
SUNNY. HIGHS 74 TO 82.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 41 TO 50. HIGHS
75 TO 84.
TEMPERATURE
BURNS 59 31 67
=
ORZ063-131600-
MALHEUR COUNTY-
230 AM MDT SUN SEP 13 2026 /130 AM PDT SUN SEP 13 2026/
TODAY
SUNNY. MUCH COOLER WITH HIGHS 61 TO 69. BREEZY. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 35 TO 45. BREEZY. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 66 TO 72. WEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 47. NORTHEAST WINDS
AROUND 10 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY
SUNNY. HIGHS 71 TO 78. LIGHT WINDS.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 40 TO 50.
WEDNESDAY
SUNNY. HIGHS 70 TO 76.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
40 TO 50.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 73 TO 79. LOWS
42 TO 52.
FRIDAY
SUNNY. HIGHS 77 TO 83.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 45 TO 53. HIGHS
80 TO 86.
=
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