626
FPUS55 KBOI 122031
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 PM MDT SAT SEP 12 2026
SPOT TEMPERATURES ARE FOR TONIGHT, SUNDAY, SUNDAY NIGHT, AND
MONDAY.
IDZ011-130400-
WEST CENTRAL MOUNTAINS-
230 PM MDT SAT SEP 12 2026
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN MOSTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. PATCHY SMOKE AFTER
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 41 TO 50. BREEZY.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE MORNING.
CHANCE OF RAIN 30 PERCENT. COOLER WITH HIGHS 49 TO 62.
SUNDAY NIGHT
PARTLY CLOUDY. WIDESPREAD FROST WITH AREAS OF FOG
AFTER MIDNIGHT. LOWS 33 TO 41.
MONDAY
WIDESPREAD FROST WITH AREAS OF FOG IN THE MORNING.
SUNNY. HIGHS 55 TO 68.
MONDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST WITH AREAS OF FOG
AFTER MIDNIGHT. LOWS 34 TO 43.
TUESDAY
WIDESPREAD FROST WITH AREAS OF FOG IN THE MORNING.
SUNNY. HIGHS 58 TO 71.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
35 TO 45.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 61 TO 75.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
37 TO 46.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 65 TO 78.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 39 TO 49.
FRIDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 67 TO 80.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS
67 TO 80.
TEMPERATURE
MCCALL 41 56 33 61
=
IDZ013-130400-
BOISE MOUNTAINS-
230 PM MDT SAT SEP 12 2026
TONIGHT
MOSTLY CLOUDY. PATCHY SMOKE. LOWS 40 TO 53.
SUNDAY
PATCHY FOG IN THE MORNING. SUNNY, COOLER WITH HIGHS
54 TO 69.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST WITH AREAS OF FOG
AFTER MIDNIGHT. COLDER WITH LOWS 29 TO 44.
MONDAY
WIDESPREAD FROST WITH AREAS OF FOG IN THE MORNING.
SUNNY. HIGHS 57 TO 72.
MONDAY NIGHT
CLEAR. WIDESPREAD FROST WITH AREAS OF FOG AFTER
MIDNIGHT. LOWS 30 TO 45.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 62 TO 76.
TUESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 34 TO 49.
HIGHS 67 TO 82.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 38 TO 53. HIGHS
71 TO 85.
TEMPERATURE
IDAHO CITY 43 66 34 69
=
IDZ028-130400-
CAMAS PRAIRIE-
230 PM MDT SAT SEP 12 2026
TONIGHT
MOSTLY CLOUDY. PATCHY SMOKE. LOWS 46 TO 51. EAST WINDS
AROUND 10 MPH THIS EVENING, SHIFTING TO WEST AFTER MIDNIGHT.
GUSTS TO 25 MPH.
SUNDAY
SUNNY, COOLER WITH HIGHS 65 TO 70. BREEZY. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
MUCH COLDER WITH LOWS 29 TO 36. BREEZY. NORTHWEST WINDS 10 TO
20 MPH. GUSTS TO 40 MPH IN THE EVENING, DECREASING TO 30 MPH
AFTER MIDNIGHT.
MONDAY
WIDESPREAD FROST IN THE MORNING. SUNNY. HIGHS 65 TO 70.
WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. WIDESPREAD FROST WITH AREAS OF FOG AFTER
MIDNIGHT. LOWS 31 TO 37. WEST WINDS 10 TO 15 MPH WITH GUSTS TO
25 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY
WIDESPREAD FROST WITH AREAS OF FOG IN THE MORNING.
SUNNY. HIGHS 69 TO 74.
TUESDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 35 TO 43.
HIGHS 72 TO 82.
TEMPERATURE
FAIRFIELD 46 68 30 68
=
IDZ033-130400-
UPPER WEISER RIVER-
230 PM MDT SAT SEP 12 2026
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS
47 TO 52. BREEZY. EAST WINDS 10 TO 15 MPH THIS EVENING, SHIFTING
TO SOUTHWEST 10 TO 20 MPH AFTER MIDNIGHT. GUSTS TO 30 MPH.
SUNDAY
MOSTLY SUNNY. COOLER WITH HIGHS 64 TO 70. BREEZY.
SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 35 MPH IN THE MORNING.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
40 TO 45. NORTHWEST WINDS UP TO 10 MPH. GUSTS TO 20 MPH IN THE
EVENING.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 66 TO 73.
LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 47. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 70 TO 76.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 49.
WEDNESDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 74 TO 84. LOWS
46 TO 56.
TEMPERATURE
COUNCIL 49 67 42 71
CAMBRIDGE 47 70 40 73
=
ORZ064-130400-
OREGON LOWER TREASURE VALLEY-
230 PM MDT SAT SEP 12 2026 /130 PM PDT SAT SEP 12 2026/
TONIGHT
PARTLY CLOUDY. LOWS 50 TO 55. BREEZY. NORTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH THIS EVENING, SHIFTING TO WEST
10 TO 20 MPH WITH GUSTS TO 40 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY, COOLER WITH HIGHS 69 TO 74. BREEZY. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 43 TO 48. NORTHWEST WINDS
10 TO 15 MPH. GUSTS TO 30 MPH IN THE EVENING.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 71 TO 76.
WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 42 TO 48. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 74 TO 79.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 47 TO 52.
WEDNESDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 76 TO 86. LOWS
46 TO 56.
TEMPERATURE
ONTARIO 52 72 44 73
=
IDZ012-130400-
LOWER TREASURE VALLEY-
230 PM MDT SAT SEP 12 2026
TONIGHT
PARTLY CLOUDY. LOWS 50 TO 55. BREEZY. SOUTHEAST WINDS
10 TO 15 MPH THIS EVENING, SHIFTING TO WEST 10 TO 20 MPH AFTER
MIDNIGHT. GUSTS TO 30 MPH.
SUNDAY
SUNNY. MUCH COOLER WITH HIGHS 68 TO 73. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
43 TO 48. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
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 43 TO 48.
NORTH WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH IN THE EVENING,
BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 73 TO 78.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 46 TO 51.
WEDNESDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 76 TO 86. LOWS
47 TO 56.
TEMPERATURE
CALDWELL 53 73 45 73
=
IDZ014-130400-
UPPER TREASURE VALLEY-
230 PM MDT SAT SEP 12 2026
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. LOWS 51 TO 56. BREEZY.
SOUTHEAST WINDS 10 TO 15 MPH THIS EVENING, SHIFTING TO WEST 10 TO
20 MPH AFTER MIDNIGHT. GUSTS TO 30 MPH.
SUNDAY
SUNNY. MUCH COOLER WITH HIGHS 69 TO 74. WINDY.
NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
43 TO 48. BREEZY. NORTHWEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH
IN THE EVENING, DECREASING TO 30 MPH AFTER MIDNIGHT.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 69 TO 74.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY NIGHT
CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS 41 TO
47. NORTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 74 TO 79.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO
52. HIGHS 75 TO 83.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 82 TO 88. LOWS
50 TO 56.
TEMPERATURE
BOISE 55 70 48 71
MOUNTAIN HOME 53 72 43 72
=
IDZ016-130400-
WESTERN MAGIC VALLEY-
230 PM MDT SAT SEP 12 2026
TONIGHT
INCREASING CLOUDS. PATCHY SMOKE. LOWS 54 TO 59.
BREEZY. EAST WINDS 10 TO 15 MPH THIS EVENING, SHIFTING TO
SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY, COOLER WITH HIGHS 68 TO 73. BREEZY. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. COOLER WITH LOWS 41 TO 46. BREEZY.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
MONDAY
SUNNY. HIGHS 66 TO 71. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
MONDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 39 TO 44.
SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 73 TO 78.
TUESDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 44 TO 54.
HIGHS 74 TO 84.
TEMPERATURE
JEROME 57 70 43 67
TWIN FALLS 56 70 43 67
=
IDZ029-130400-
OWYHEE MOUNTAINS-
230 PM MDT SAT SEP 12 2026
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN CLEARING. PATCHY
SMOKE THIS EVENING. LOWS 43 TO 51. WINDY. SOUTHWEST WINDS AROUND
25 MPH AFTER MIDNIGHT. GUSTS TO 40 MPH.
SUNDAY
SUNNY. MUCH COOLER WITH HIGHS 61 TO 66. BREEZY. GUSTS
TO 35 MPH IN THE MORNING.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST AFTER MIDNIGHT.
LOWS 37 TO 45.
MONDAY
WIDESPREAD FROST IN THE MORNING. SUNNY. HIGHS 62 TO 67.
MONDAY NIGHT
CLEAR. LOWS 39 TO 46.
TUESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 68 TO 78.
LOWS 43 TO 53.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 74 TO 83. LOWS
50 TO 56.
=
IDZ015-130400-
SOUTHWEST HIGHLANDS-
230 PM MDT SAT SEP 12 2026
TONIGHT
PATCHY SMOKE THIS EVENING. PARTLY CLOUDY. LOWS 47 TO
53. WINDY. SOUTHWEST WINDS AROUND 25 MPH AFTER MIDNIGHT. GUSTS TO
40 MPH.
SUNDAY
SUNNY, COOLER WITH HIGHS 67 TO 72. BREEZY.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FROST AFTER MIDNIGHT.
COLDER WITH LOWS 36 TO 42. WINDY. NORTHWEST WINDS AROUND 25 MPH
WITH GUSTS TO 35 MPH IN THE EVENING.
MONDAY
AREAS OF FROST IN THE MORNING. SUNNY. HIGHS 65 TO 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 42.
TUESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 70 TO 79.
LOWS 42 TO 49.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 78 TO 85. LOWS
48 TO 53.
=
IDZ030-130400-
SOUTHERN TWIN FALLS COUNTY-
230 PM MDT SAT SEP 12 2026
TONIGHT
PATCHY SMOKE THIS EVENING. PARTLY CLOUDY. LOWS 52 TO
57. BREEZY.
SUNDAY
SUNNY, COOLER WITH HIGHS 68 TO 73. BREEZY.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER WITH LOWS 38 TO 43. BREEZY.
MONDAY
SUNNY. HIGHS 65 TO 70.
MONDAY NIGHT
CLEAR. LOWS 38 TO 43.
TUESDAY
SUNNY. HIGHS 72 TO 77.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO
50. HIGHS 71 TO 79.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 77 TO 85. LOWS
49 TO 54.
=
ORZ062-130400-
BAKER COUNTY-
130 PM PDT SAT SEP 12 2026
TONIGHT
RAIN SHOWERS LIKELY, MAINLY AFTER MIDNIGHT. AREAS OF
FOG AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 39 TO 50.
BREEZY. SOUTHEAST WINDS 10 TO 20 MPH THIS EVENING, SHIFTING TO
NORTHWEST AFTER MIDNIGHT. GUSTS TO 40 MPH.
SUNDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN SHOWERS. MUCH COOLER WITH HIGHS 58 TO
68. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. PATCHY
FOG IN THE EVENING. AREAS OF FOG AND FROST AFTER MIDNIGHT. CHANCE
OF RAIN 20 PERCENT. LOWS 34 TO 46. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
MONDAY
AREAS OF FOG AND FROST IN THE MORNING. SUNNY. HIGHS
65 TO 73. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS
34 TO 47. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 68 TO 76.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
35 TO 48.
WEDNESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 70 TO 78.
WEDNESDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 37 TO
50.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 75 TO 81.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS 39 TO 54.
HIGHS 78 TO 85.
TEMPERATURE
BAKER CITY 39 62 34 68
=
ORZ061-130400-
HARNEY COUNTY-
130 PM PDT SAT SEP 12 2026
TONIGHT
PATCHY BLOWING DUST THIS EVENING. PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN SHOWERS. LOWS 36 TO 45. WINDY. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.
SUNDAY
MOSTLY SUNNY. MUCH COOLER WITH HIGHS 57 TO 63. BREEZY.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. WIDESPREAD FROST WITH AREAS OF FOG
AFTER MIDNIGHT. LOWS 31 TO 41. NORTHWEST WINDS 10 TO 15 MPH.
GUSTS TO 30 MPH IN THE EVENING, DECREASING TO 20 MPH AFTER
MIDNIGHT.
MONDAY
WIDESPREAD FROST WITH AREAS OF FOG IN THE MORNING.
SUNNY. HIGHS 62 TO 70. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 34 TO 44. LIGHT WINDS.
TUESDAY THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 74.
LOWS 37 TO 47.
THURSDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 73 TO 83. LOWS
39 TO 52.
TEMPERATURE
BURNS 36 59 31 67
=
ORZ063-130400-
MALHEUR COUNTY-
230 PM MDT SAT SEP 12 2026 /130 PM PDT SAT SEP 12 2026/
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN CLEARING. PATCHY
SMOKE THIS EVENING. LOWS 43 TO 52. WINDY. SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO 40 MPH.
SUNDAY
PATCHY FOG IN THE MORNING. SUNNY. MUCH COOLER WITH
HIGHS 63 TO 70. BREEZY. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
35 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS
37 TO 45. BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH IN THE EVENING, BECOMING WEST UP TO 10 MPH WITH GUSTS TO
20 MPH AFTER MIDNIGHT.
MONDAY
AREAS OF FOG AND FROST IN THE MORNING. SUNNY. HIGHS
66 TO 72. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 48. NORTHEAST WINDS UP
TO 10 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 71 TO 81.
LOWS 42 TO 52.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 79 TO 86. LOWS
48 TO 56.
=
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page