Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
917
FPUS55 KBOI 010637
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
1236 AM MDT Thu Oct 1 2026
Spot temperatures are for today, tonight, and Friday.
IDZ011-011400-
West Central Mountains-
1236 AM MDT Thu Oct 1 2026
.TODAY...Areas of fog this morning. Sunny. Highs 64 to 78.
.TONIGHT...Partly cloudy in the evening, then clearing. Patchy
smoke. Lows 39 to 49.
.FRIDAY...Patchy smoke in the morning. Mostly sunny. Highs 66 to
80.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
38 to 49.
.SATURDAY...Sunny. Highs 69 to 82.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 40 to 51. Highs
71 to 84.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 46 to 56. Highs
70 to 82.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 40 to 50.
Highs 66 to 79.
&&
TEMPERATURE
McCall 71 38 74
$$
=
IDZ013-011400-
Boise Mountains-
1236 AM MDT Thu Oct 1 2026
.TODAY...Patchy fog this morning. Sunny. Highs 67 to 82.
.TONIGHT...Decreasing clouds. Lows 37 to 52.
.FRIDAY...Mostly sunny. Highs 70 to 85.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
38 to 53.
.SATURDAY...Sunny. Highs 72 to 86.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 38 to 53. Highs
74 to 89.
.SUNDAY NIGHT...Increasing clouds. Lows 41 to 56.
.MONDAY...Partly sunny. Highs 72 to 86.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 36 to 51.
Highs 69 to 84.
&&
TEMPERATURE
Idaho City 81 39 84
$$
=
IDZ028-011400-
Camas Prairie-
1236 AM MDT Thu Oct 1 2026
.TODAY...Sunny. Highs 74 to 79. West winds up to 10 mph with
gusts to 20 mph.
.TONIGHT...Mostly clear. Lows 36 to 43. West winds 10 to 15 mph
in the evening, becoming light after midnight.
.FRIDAY...Mostly sunny. Highs 77 to 82. Light winds in the
morning, becoming southwest 10 to 15 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows 38 to 43. West winds around
10 mph. Gusts to 20 mph in the evening.
.SATURDAY...Mostly sunny. Highs 77 to 82. Northwest winds around
10 mph in the morning, becoming light in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 39 to 45. Highs
80 to 85.
.SUNDAY NIGHT...Increasing clouds. Lows 47 to 52.
.MONDAY...Partly sunny. Highs 78 to 83.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
41 to 46.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 75 to 81. Lows
38 to 43.
&&
TEMPERATURE
Fairfield 77 36 80
$$
=
IDZ033-011400-
Upper Weiser River-
1236 AM MDT Thu Oct 1 2026
.TODAY...Areas of fog this morning. Sunny. Highs 74 to 81.
Northeast winds up to 10 mph this morning, shifting to southwest
this afternoon.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows
47 to 54. Light winds in the evening, becoming northeast up to
10 mph after midnight.
.FRIDAY...Mostly sunny. Highs 76 to 83. Northeast winds up to
10 mph in the morning, shifting to southwest around 10 mph in the
afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 55. Southwest winds around 10 mph in the evening, shifting
to northeast after midnight.
.SATURDAY...Sunny. Highs 78 to 85. Northeast winds 10 to 15 mph
in the morning, shifting to southwest in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 48 to 55. Highs
81 to 88.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 54 to 59. Highs
80 to 86.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 48 to 55.
Highs 77 to 83.
&&
TEMPERATURE
Council 80 48 82
Cambridge 81 47 83
$$
=
ORZ064-011400-
Oregon Lower Treasure Valley-
1236 AM MDT Thu Oct 1 2026 /1136 PM PDT Wed Sep 30 2026/
.TODAY...Areas of fog this morning. Sunny. Highs 79 to 84.
Northwest winds up to 10 mph this morning, becoming light this
afternoon.
.TONIGHT...Mostly clear. Lows 45 to 51. Light winds.
.FRIDAY...Mostly sunny. Highs 80 to 85. Light winds.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
46 to 52. Northwest winds 10 to 15 mph.
.SATURDAY...Sunny. Highs 82 to 87. Northwest winds up to 10 mph
in the morning, becoming light in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 46 to 52. Highs
84 to 89.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 49 to 56. Highs
84 to 89.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 45 to 54.
Highs 80 to 86.
&&
TEMPERATURE
Ontario 81 45 83
$$
=
IDZ012-011400-
Lower Treasure Valley-
1236 AM MDT Thu Oct 1 2026
.TODAY...Areas of fog this morning. Sunny. Highs 78 to 83.
Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 46 to 51. Light winds.
.FRIDAY...Mostly sunny. Highs 80 to 85. Light winds.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 54. Northwest winds up to 10 mph.
.SATURDAY...Sunny. Highs 81 to 86. Northwest winds up to 10 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 47 to 53. Highs
84 to 89.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 52 to 57. Highs
83 to 88.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 47 to 55.
Highs 80 to 85.
&&
TEMPERATURE
Caldwell 81 47 82
$$
=
IDZ014-011400-
Upper Treasure Valley-
1236 AM MDT Thu Oct 1 2026
.TODAY...Areas of fog this morning. Sunny. Highs 79 to 84.
Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 44 to 53. Light winds in the
evening, becoming east up to 10 mph after midnight.
.FRIDAY...Mostly sunny. Highs 82 to 87. East winds up to 10 mph
in the morning, shifting to northwest around 10 mph in the
afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows 48 to 55. Northwest winds up
to 10 mph.
.SATURDAY...Mostly sunny. Highs 82 to 87. Northwest winds up to
10 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 46 to 54. Highs
87 to 92.
.SUNDAY NIGHT...Increasing clouds. Lows 51 to 58.
.MONDAY...Partly sunny. Highs 83 to 88.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 46 to 54.
Highs 81 to 86.
&&
TEMPERATURE
Boise 81 53 84
Mountain Home 82 46 86
$$
=
IDZ016-011400-
Western Magic Valley-
1236 AM MDT Thu Oct 1 2026
.TODAY...Sunny. Highs 76 to 81. Southwest winds up to 10 mph.
.TONIGHT...Mostly clear. Patchy smoke. Lows 44 to 50. Southwest
winds up to 10 mph in the evening, shifting to southeast around
10 mph after midnight.
.FRIDAY...Mostly sunny. Highs 81 to 86. East winds around 10 mph
in the morning, shifting to northwest up to 10 mph in the
afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows 49 to 54. Southwest winds
around 10 mph.
.SATURDAY...Mostly sunny. Highs 80 to 85. South winds up to
10 mph in the morning, becoming light in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 47 to 52. Highs
85 to 90.
.SUNDAY NIGHT...Increasing clouds. Lows 52 to 57.
.MONDAY...Mostly cloudy in the morning, then becoming mostly
sunny. Highs 81 to 86.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 53.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 78 to 83. Lows
44 to 49.
&&
TEMPERATURE
Jerome 77 48 82
Twin Falls 77 50 82
$$
=
IDZ029-011400-
Owyhee Mountains-
1236 AM MDT Thu Oct 1 2026
.TODAY...Sunny. Highs 72 to 81.
.TONIGHT...Mostly clear. Lows 45 to 55.
.FRIDAY...Partly sunny. Highs 74 to 83.
.FRIDAY NIGHT...Partly cloudy. Lows 47 to 57.
.SATURDAY...Mostly sunny. Highs 75 to 85.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 47 to 57. Highs
79 to 88.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 53 to 58. Highs
77 to 83.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 45 to 55.
Highs 74 to 82.
$$
=
IDZ015-011400-
Southwest Highlands-
1236 AM MDT Thu Oct 1 2026
.TODAY...Sunny. Highs 77 to 82.
.TONIGHT...Mostly clear. Lows 43 to 50.
.FRIDAY...Partly sunny. Highs 81 to 86.
.FRIDAY NIGHT...Partly cloudy. Lows 46 to 54.
.SATURDAY...Mostly sunny. Highs 79 to 85.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 45 to 52. Highs
84 to 89.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. Lows 50 to 57. Highs
80 to 85.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
45 to 53.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 77 to 83. Lows
43 to 50.
$$
=
IDZ030-011400-
Southern Twin Falls County-
1236 AM MDT Thu Oct 1 2026
.TODAY...Sunny. Highs 76 to 81.
.TONIGHT...Mostly clear. Lows 46 to 52.
.FRIDAY...Mostly sunny. Highs 81 to 86.
.FRIDAY NIGHT...Partly cloudy. Lows 51 to 56.
.SATURDAY...Mostly sunny. Highs 79 to 84.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 49 to 55. Highs
84 to 89.
.SUNDAY NIGHT...Increasing clouds. Lows 54 to 59.
.MONDAY...Mostly cloudy in the morning, then becoming mostly
sunny. Highs 80 to 85.
.MONDAY NIGHT...Partly cloudy. Lows 49 to 54.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 77 to 82. Lows
45 to 50.
.WEDNESDAY...Sunny. Highs 78 to 83.
$$
=
ORZ062-011400-
Baker County-
1136 PM PDT Wed Sep 30 2026
.TODAY...Areas of fog this morning. Mostly sunny. Highs 73 to 80.
West winds up to 10 mph this morning, becoming light this
afternoon.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows
38 to 49. Northwest winds up to 10 mph.
.FRIDAY...Patchy fog in the morning. Mostly sunny. Highs 76 to
83. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
38 to 50. Northwest winds up to 10 mph.
.SATURDAY...Sunny. Highs 77 to 84. Northwest winds up to 10 mph
in the morning, shifting to east in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 41 to 52. Highs
80 to 87.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 44 to 57. Highs
79 to 86.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 38 to 51.
Highs 76 to 82.
&&
TEMPERATURE
Baker City 76 38 80
$$
=
ORZ061-011400-
Harney County-
1136 PM PDT Wed Sep 30 2026
.TODAY...Patchy fog and smoke this morning. Sunny. Highs 73 to
82. Light winds.
.TONIGHT...Mostly clear. Lows 38 to 49. Northeast winds up to
10 mph.
.FRIDAY...Decreasing clouds. Highs 74 to 82. West winds up to
10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows 37 to 49. Northwest winds up
to 10 mph.
.SATURDAY...Mostly sunny. Highs 76 to 85. Northeast winds up to
10 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 40 to 50. Highs
80 to 88.
.SUNDAY NIGHT...Increasing clouds. Lows 41 to 53.
.MONDAY...Mostly sunny. Highs 77 to 85.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 36 to 49.
Highs 75 to 83.
&&
TEMPERATURE
Burns 79 38 82
$$
=
ORZ063-011400-
Malheur County-
1236 AM MDT Thu Oct 1 2026 /1136 PM PDT Wed Sep 30 2026/
.TODAY...Areas of fog this morning. Sunny. Highs 76 to 84. West
winds up to 10 mph this morning, shifting to east this afternoon.
.TONIGHT...Mostly clear. Lows 41 to 51. Northeast winds up to
10 mph in the evening, shifting to southwest after midnight.
.FRIDAY...Partly sunny. Highs 79 to 86. Southwest winds up to
10 mph in the morning, shifting to north in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows 44 to 54. North winds up to
10 mph.
.SATURDAY...Mostly sunny. Highs 79 to 87. North winds up to
10 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 43 to 53. Highs
81 to 90.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 48 to 56. Highs
82 to 87.
.MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 43 to 53.
Highs 79 to 85.
$$
=