483
FPUS55 KBOI 041836
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
1236 PM MDT SUN OCT 4 2026
SPOT TEMPERATURES ARE FOR TONIGHT, MONDAY, MONDAY NIGHT, AND
TUESDAY.
IDZ011-050200-
WEST CENTRAL MOUNTAINS-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. PATCHY SMOKE AFTER MIDNIGHT. LOWS
45 TO 55.
MONDAY
PATCHY SMOKE IN THE MORNING. SUNNY. HIGHS 72 TO 85.
MONDAY NIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLEAR. LOWS
41 TO 52.
TUESDAY
SUNNY. HIGHS 70 TO 83.
TUESDAY NIGHT
CLEAR. LOWS 40 TO 50.
WEDNESDAY THROUGH THURSDAY
CLEAR. HIGHS 70 TO 83. LOWS 43 TO
53.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 43 TO 53. HIGHS
66 TO 80.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 39 TO 49.
SATURDAY
PARTLY SUNNY. AREAS OF FOG IN THE MORNING. A CHANCE
OF RAIN SHOWERS, MAINLY IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. COOLER WITH HIGHS 54 TO 65.
SATURDAY NIGHT
DECREASING CLOUDS. A CHANCE OF RAIN SHOWERS. A
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. AREAS OF FOG AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 31 TO 41.
SUNDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW SHOWERS. HIGHS 46 TO 59.
TEMPERATURE
MCCALL 45 80 41 77
=
IDZ013-050200-
BOISE MOUNTAINS-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 43 TO 58.
MONDAY
MOSTLY SUNNY. HIGHS 75 TO 89.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 55.
TUESDAY
SUNNY. HIGHS 73 TO 87.
TUESDAY NIGHT
CLEAR. LOWS 37 TO 52.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 72 TO 86. LOWS
40 TO 55.
FRIDAY
SUNNY. HIGHS 71 TO 85.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 38 TO 53.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 58 TO 72.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS,
MIXED WITH SNOW AFTER MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 30 PERCENT. COLDER WITH LOWS 29 TO 44.
SUNDAY
A SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. AREAS
OF FOG IN THE MORNING. PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW
SHOWERS. CHANCE OF PRECIPITATION 20 PERCENT. COOLER WITH HIGHS
49 TO 63.
TEMPERATURE
IDAHO CITY 47 88 45 86
=
IDZ028-050200-
CAMAS PRAIRIE-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 48 TO 53. LIGHT WINDS.
MONDAY
PARTLY SUNNY. HIGHS 81 TO 86. LIGHT WINDS IN THE
MORNING, BECOMING SOUTHWEST UP TO 10 MPH WITH GUSTS TO 20 MPH IN
THE AFTERNOON.
MONDAY NIGHT
DECREASING CLOUDS. LOWS 44 TO 49. NORTHWEST WINDS
AROUND 10 MPH. GUSTS TO 20 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 79 TO 84. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 42 TO 47. NORTHWEST WINDS 10 TO
15 MPH. GUSTS TO 25 MPH IN THE EVENING.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 77 TO 84. LOWS 42 TO 48.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 43 TO 48.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 67 TO 72.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 34 TO 39.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 56 TO 61.
TEMPERATURE
FAIRFIELD 48 84 44 82
=
IDZ033-050200-
UPPER WEISER RIVER-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 52 TO 57. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 81 TO 88. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 54. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 80 TO 86. NORTHEAST WINDS UP TO 10 MPH IN
THE MORNING, BECOMING LIGHT IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 49 TO 54. LIGHT WINDS.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 79 TO 86. LOWS
52 TO 57.
FRIDAY
SUNNY. HIGHS 77 TO 84.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 48 TO 53.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
COOLER WITH HIGHS 63 TO 71.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS
58 TO 65.
TEMPERATURE
COUNCIL 54 87 51 86
CAMBRIDGE 52 88 49 86
=
ORZ064-050200-
OREGON LOWER TREASURE VALLEY-
1236 PM MDT SUN OCT 4 2026 /1136 AM PDT SUN OCT 4 2026/
TONIGHT
INCREASING CLOUDS. LOWS 50 TO 57. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 85 TO 90. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 55. NORTHWEST WINDS UP
TO 10 MPH.
TUESDAY
SUNNY. HIGHS 84 TO 89. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 47 TO 53. LIGHT WINDS.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 83 TO 89. LOWS
49 TO 57.
FRIDAY
SUNNY. HIGHS 82 TO 87.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. NOT AS WARM. LOWS
48 TO 53. HIGHS 70 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 47.
SUNDAY
SUNNY. HIGHS 63 TO 68.
TEMPERATURE
ONTARIO 50 86 48 86
=
IDZ012-050200-
LOWER TREASURE VALLEY-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 51 TO 57. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS 84 TO 89. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 55. LIGHT WINDS.
TUESDAY
SUNNY. HIGHS 83 TO 88. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 54. LIGHT WINDS.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 82 TO 88. LOWS
51 TO 57.
FRIDAY
SUNNY. HIGHS 82 TO 87.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. NOT AS WARM. LOWS
49 TO 54. HIGHS 69 TO 74.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 46. BREEZY.
SUNDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 62 TO 67.
TEMPERATURE
CALDWELL 52 87 50 85
=
IDZ014-050200-
UPPER TREASURE VALLEY-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. PATCHY SMOKE THIS EVENING. LOWS
51 TO 58. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS 85 TO 90. LIGHT WINDS IN THE
MORNING, BECOMING NORTHWEST UP TO 10 MPH WITH GUSTS TO 20 MPH IN
THE AFTERNOON.
MONDAY NIGHT
DECREASING CLOUDS. LOWS 49 TO 55. NORTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO 20 MPH.
TUESDAY
SUNNY. HIGHS 83 TO 88. NORTHWEST WINDS UP TO 10 MPH.
GUSTS TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 54. NORTHWEST WINDS 10 TO
15 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 83 TO 89. LOWS
50 TO 56.
FRIDAY
SUNNY. HIGHS 84 TO 89.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 49 TO 54.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. NOT AS WARM. HIGHS 71 TO 76. LOWS 41 TO 46.
WINDY.
SUNDAY
MOSTLY SUNNY. COOLER WITH HIGHS 61 TO 66. BREEZY.
TEMPERATURE
BOISE 57 88 55 86
MOUNTAIN HOME 53 88 50 87
=
IDZ016-050200-
WESTERN MAGIC VALLEY-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 52 TO 57. EAST WINDS UP TO
10 MPH.
MONDAY
PARTLY SUNNY. HIGHS 83 TO 88. EAST WINDS UP TO 10 MPH
IN THE MORNING, SHIFTING TO WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
50 TO 55. SOUTHWEST WINDS AROUND 10 MPH.
TUESDAY
SUNNY. HIGHS 81 TO 86. SOUTH WINDS AROUND 10 MPH IN
THE MORNING, SHIFTING TO WEST IN THE AFTERNOON. GUSTS TO 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 49 TO 54. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 80 TO 86. LOWS 49 TO 55.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 50 TO 55.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 69 TO 75.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 40 TO 45. WINDY.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 58 TO 63.
BREEZY.
TEMPERATURE
JEROME 54 85 52 82
TWIN FALLS 56 84 54 82
=
IDZ029-050200-
OWYHEE MOUNTAINS-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 53 TO 60.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. HIGHS 79 TO 85.
MONDAY NIGHT
DECREASING CLOUDS. LOWS 48 TO 57.
TUESDAY
SUNNY. HIGHS 77 TO 85.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 56.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 76 TO 85. LOWS
50 TO 58.
FRIDAY
SUNNY. HIGHS 78 TO 84.
FRIDAY NIGHT AND SATURDAY
INCREASING CLOUDS. COOLER. LOWS
46 TO 53. HIGHS 63 TO 69.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS, MIXED WITH SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION
20 PERCENT. COLDER WITH LOWS 35 TO 44.
SUNDAY
MOSTLY SUNNY. COOLER WITH HIGHS 54 TO 59.
=
IDZ015-050200-
SOUTHWEST HIGHLANDS-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 50 TO 58.
MONDAY
PARTLY SUNNY. HIGHS 82 TO 87.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
46 TO 54.
TUESDAY
SUNNY. HIGHS 80 TO 85.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 53.
WEDNESDAY
SUNNY. HIGHS 80 TO 85.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS 47 TO 56.
HIGHS 80 TO 85.
FRIDAY
SUNNY. HIGHS 80 TO 85.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 47 TO 52. BREEZY.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 68 TO 73.
BREEZY.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. COLDER WITH LOWS 37 TO
42. BREEZY.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS
IN THE MORNING. CHANCE OF PRECIPITATION 20 PERCENT. COOLER WITH
HIGHS 57 TO 62. BREEZY.
=
IDZ030-050200-
SOUTHERN TWIN FALLS COUNTY-
1236 PM MDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 56 TO 61.
MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. THUNDERSTORMS MAY PRODUCE GUSTY
WINDS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 83 TO
88.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE EVENING. CHANCE OF
RAIN 20 PERCENT. LOWS 52 TO 57.
TUESDAY
SUNNY. HIGHS 80 TO 85.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 56.
WEDNESDAY
SUNNY. HIGHS 80 TO 85.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS 51 TO 58.
HIGHS 79 TO 84.
FRIDAY
SUNNY. HIGHS 80 TO 85.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 51 TO 56.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 69 TO 74.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. COLDER WITH LOWS 39 TO 44.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN THE
MORNING. CHANCE OF PRECIPITATION 30 PERCENT. COOLER WITH HIGHS
56 TO 61.
=
ORZ062-050200-
BAKER COUNTY-
1136 AM PDT SUN OCT 4 2026
TONIGHT
INCREASING CLOUDS. LOWS 44 TO 56. SOUTHEAST WINDS UP
TO 10 MPH THIS EVENING, BECOMING LIGHT AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 81 TO 87. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 51. NORTHWEST WINDS UP
TO 10 MPH.
TUESDAY
SUNNY. HIGHS 78 TO 85. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 39 TO 52. LIGHT WINDS.
WEDNESDAY THROUGH THURSDAY NIGHT
CLEAR. HIGHS 79 TO 85. LOWS
42 TO 55.
FRIDAY
SUNNY. HIGHS 76 TO 83.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 49.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. CHANCE OF RAIN
20 PERCENT. MUCH COOLER WITH HIGHS 60 TO 67.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS 27 TO 41. BREEZY.
SUNDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 55 TO 62.
TEMPERATURE
BAKER CITY 44 84 39 81
=
ORZ061-050200-
HARNEY COUNTY-
1136 AM PDT SUN OCT 4 2026
TONIGHT
MOSTLY CLOUDY. PATCHY SMOKE AFTER MIDNIGHT. LOWS 43 TO
53. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. PATCHY SMOKE. HIGHS 80 TO 88. WEST WINDS
UP TO 10 MPH. GUSTS TO 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY SMOKE. LOWS 39 TO 50.
NORTHWEST WINDS UP TO 10 MPH. GUSTS TO 20 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 78 TO 86. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 40 TO 50. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 79 TO 87.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 41 TO 53. HIGHS 77 TO
86.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 41 TO 52. HIGHS
77 TO 85.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. MUCH COOLER. LOWS
35 TO 46. HIGHS 59 TO 66. BREEZY.
SATURDAY NIGHT
DECREASING CLOUDS. LOWS 27 TO 37.
SUNDAY
SUNNY. HIGHS 55 TO 60.
TEMPERATURE
BURNS 43 88 39 85
=
ORZ063-050200-
MALHEUR COUNTY-
1236 PM MDT SUN OCT 4 2026 /1136 AM PDT SUN OCT 4 2026/
TONIGHT
MOSTLY CLOUDY. LOWS 50 TO 57. LIGHT WINDS.
MONDAY
PATCHY SMOKE IN THE MORNING. MOSTLY SUNNY. HIGHS 84 TO
89. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 55. NORTHWEST WINDS UP
TO 10 MPH.
TUESDAY
SUNNY. HIGHS 82 TO 87. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 45 TO 54. NORTHEAST WINDS UP TO
10 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
WEDNESDAY THROUGH THURSDAY
CLEAR. HIGHS 81 TO 88. LOWS 48 TO
57.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 47 TO 55. HIGHS
81 TO 88.
FRIDAY NIGHT AND SATURDAY
INCREASING CLOUDS. NOT AS WARM. LOWS
43 TO 52. HIGHS 65 TO 72. BREEZY.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 43. BREEZY.
SUNDAY
SUNNY. HIGHS 58 TO 64. BREEZY.
=
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