Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
588
FPUS55 KBOI 310831
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 AM MDT Fri Jul 31 2026
Spot temperatures are for today, tonight, and Saturday.
IDZ011-311600-
West Central Mountains-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Patchy smoke. Highs 84 to 98.
.TONIGHT...Mostly clear. Patchy smoke. Lows 53 to 64.
.SATURDAY...Sunny. Patchy smoke in the morning, then areas of
smoke in the afternoon. Highs 81 to 96.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Smoke in the evening, then patchy fog and smoke after midnight.
Lows 44 to 56.
.SUNDAY...Patchy fog and smoke in the morning. Sunny. Not as warm
with highs 68 to 83.
.SUNDAY NIGHT...Mostly clear. Lows 39 to 52.
.MONDAY AND MONDAY NIGHT...Clear. Patchy fog in the morning.
Patchy fog after midnight. Highs 69 to 83. Lows 44 to 54.
.TUESDAY...Sunny. Highs 76 to 89.
.TUESDAY NIGHT...Mostly clear. Lows 48 to 58.
.WEDNESDAY...Sunny. Highs 80 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows 51 to 61.
.THURSDAY...Sunny. Highs 79 to 93.
&&
TEMPERATURE
McCall 93 52 90
$$
=
IDZ013-311600-
Boise Mountains-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Areas of smoke this morning. Patchy smoke this
afternoon. Highs 86 to 101.
.TONIGHT...Mostly clear. Patchy smoke. Lows 50 to 65.
.SATURDAY...Sunny. Patchy smoke in the morning. Areas of smoke in
the afternoon. Highs 85 to 100.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Smoke in the evening, then areas of smoke after midnight. Lows
47 to 62.
.SUNDAY...Areas of smoke in the morning. Sunny. Not as warm with
highs 72 to 87.
.SUNDAY NIGHT...Areas of smoke in the evening. Clear. Lows 40 to
55.
.MONDAY THROUGH TUESDAY NIGHT...Clear. Highs 75 to 90. Lows 42 to
57.
.WEDNESDAY THROUGH THURSDAY...Clear. Highs 82 to 97. Lows 47 to
62.
&&
TEMPERATURE
Idaho City 99 53 98
$$
=
IDZ028-311600-
Camas Prairie-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Patchy smoke this afternoon. Highs 93 to 98.
South winds up to 10 mph with gusts to 20 mph.
.TONIGHT...Mostly clear. Lows 54 to 60. Northwest winds up to
10 mph with gusts to 20 mph.
.SATURDAY...Sunny. Highs 94 to 99. Light winds in the morning,
becoming southwest 10 to 15 mph with gusts to 30 mph in the
afternoon.
.SATURDAY NIGHT...Mostly clear. Patchy smoke in the evening.
Areas of smoke after midnight. Lows 52 to 57. West winds 10 to
15 mph. Gusts to 30 mph in the evening.
.SUNDAY...Areas of smoke in the morning. Sunny. Not as warm with
highs 84 to 89. Light winds in the morning, becoming west 10 to
15 mph with gusts to 30 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Areas of smoke. Lows 43 to 49.
Breezy.
.MONDAY...Sunny. Highs 81 to 86. Breezy.
.MONDAY NIGHT...Mostly clear. Lows 44 to 50. Breezy.
.TUESDAY...Sunny. Highs 84 to 89.
.TUESDAY NIGHT...Mostly clear. Lows 48 to 53.
.WEDNESDAY...Sunny. Highs 90 to 95.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 57. Breezy.
.THURSDAY...Sunny. Highs 90 to 95.
&&
TEMPERATURE
Fairfield 95 54 97
$$
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IDZ033-311600-
Upper Weiser River-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Patchy smoke. Highs 97 to 103. North winds 10 to
15 mph this morning, becoming light this afternoon.
.TONIGHT...Mostly clear. Patchy smoke. Lows 63 to 69. Light winds
in the evening, becoming northeast up to 10 mph after midnight.
.SATURDAY...Sunny. Patchy smoke in the morning, then areas of
smoke in the afternoon. Highs 96 to 101. South winds up to 10 mph
with gusts to 20 mph.
.SATURDAY NIGHT...Mostly cloudy in the evening, then clearing.
Smoke in the evening, then patchy smoke after midnight. Lows
58 to 63. Breezy. Northwest winds 10 to 20 mph.
.SUNDAY...Sunny. Patchy smoke. Not as warm with highs 82 to 88.
Northwest winds 10 to 15 mph. Gusts to 25 mph in the morning.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 57.
.MONDAY AND MONDAY NIGHT...Clear. Highs 82 to 88. Lows 53 to 58.
Breezy.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 88 to 98. Lows
57 to 62.
.WEDNESDAY NIGHT...Clear. Lows 60 to 65.
.THURSDAY...Sunny. Highs 92 to 98.
&&
TEMPERATURE
Council 103 66 100
Cambridge 103 63 101
$$
=
ORZ064-311600-
Oregon Lower Treasure Valley-
230 AM MDT Fri Jul 31 2026 /130 AM PDT Fri Jul 31 2026/
.TODAY...Sunny. Patchy smoke. Highs 100 to 105. Northwest winds
10 to 15 mph this morning, becoming light this afternoon.
.TONIGHT...Mostly clear. Patchy smoke. Lows 65 to 71. Light winds
in the evening, becoming west up to 10 mph after midnight.
.SATURDAY...Sunny. Areas of smoke in the morning, then smoke in
the afternoon. Highs 99 to 104. Southwest winds 10 to 15 mph.
Gusts to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Smoke in the evening. Patchy smoke after midnight. Lows 61 to 66.
Windy. Northwest winds 15 to 25 mph with gusts to 40 mph.
.SUNDAY...Sunny. Not as hot with highs 86 to 91. Breezy.
Northwest winds 10 to 20 mph. Gusts to 30 mph in the morning.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 62. Breezy.
.MONDAY...Sunny. Highs 85 to 90.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 56 to 66.
Highs 90 to 100.
&&
TEMPERATURE
Ontario 102 65 102
$$
=
IDZ012-311600-
Lower Treasure Valley-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Areas of smoke this morning, then patchy smoke
this afternoon. Highs 99 to 104. Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Patchy smoke. Lows 63 to 69. Light
winds.
.SATURDAY...Sunny. Areas of smoke. Highs 99 to 104. Light winds
in the morning, becoming west 10 to 15 mph with gusts to 25 mph
in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Smoke in the evening, then patchy smoke after midnight. Lows
60 to 65. Breezy. Northwest winds 10 to 20 mph with gusts to
30 mph.
.SUNDAY...Sunny. Patchy smoke. Not as warm with highs 85 to 90.
Breezy. Northwest winds 10 to 20 mph.
.SUNDAY NIGHT...Mostly clear. Lows 55 to 60.
.MONDAY AND MONDAY NIGHT...Clear. Highs 84 to 89. Lows 55 to 60.
.TUESDAY...Sunny. Highs 89 to 94.
.TUESDAY NIGHT...Clear. Lows 57 to 62.
.WEDNESDAY...Sunny. Highs 94 to 99.
.WEDNESDAY NIGHT...Clear. Lows 61 to 66.
.THURSDAY...Sunny. Highs 94 to 99.
&&
TEMPERATURE
Caldwell 102 64 102
$$
=
IDZ014-311600-
Upper Treasure Valley-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Areas of smoke this morning. Patchy smoke this
afternoon. Highs 100 to 105. Northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Patchy smoke. Lows 62 to 68. Northwest
winds up to 10 mph in the evening, shifting to east after
midnight. Gusts to 20 mph.
.SATURDAY...Sunny. Patchy smoke in the morning, then areas of
smoke in the afternoon. Highs 101 to 106. Southeast winds up to
10 mph in the morning, shifting to west with gusts to 25 mph in
the afternoon.
.SATURDAY NIGHT...Decreasing clouds. Smoke in the evening, then
areas of smoke after midnight. Lows 59 to 64. Breezy. Northwest
winds 10 to 20 mph with gusts to 30 mph.
.SUNDAY...Sunny. Patchy smoke. Not as hot with highs 87 to 92.
Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
.SUNDAY NIGHT...Patchy smoke in the evening. Clear. Lows 53 to
58. Breezy.
.MONDAY THROUGH TUESDAY NIGHT...Clear. Highs 85 to 94. Lows 53 to
61. Breezy.
.WEDNESDAY THROUGH THURSDAY...Clear. Highs 95 to 100. Lows 59 to
64.
&&
TEMPERATURE
Boise 102 67 102
Mountain Home 104 64 104
$$
=
IDZ016-311600-
Western Magic Valley-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Patchy smoke. Highs 96 to 102. East winds around
10 mph.
.TONIGHT...Mostly clear. Patchy smoke. Lows 62 to 67. East winds
up to 10 mph.
.SATURDAY...Sunny. Patchy smoke. Highs 98 to 104. East winds
around 10 mph in the morning, shifting to west in the afternoon.
Gusts to 20 mph.
.SATURDAY NIGHT...Mostly clear. Patchy smoke in the evening, then
areas of smoke after midnight. Lows 60 to 66. West winds 10 to
15 mph with gusts to 25 mph.
.SUNDAY...Sunny. Patchy smoke. Not as hot with highs 85 to 91.
Breezy. West winds 10 to 20 mph with gusts to 30 mph.
.SUNDAY NIGHT...Clear. Patchy smoke. Lows 53 to 58. Breezy.
.MONDAY THROUGH TUESDAY NIGHT...Clear. Highs 83 to 92. Lows 53 to
61. Breezy.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 94 to 99. Lows
60 to 65.
&&
TEMPERATURE
Jerome 96 65 98
Twin Falls 97 67 100
$$
=
IDZ029-311600-
Owyhee Mountains-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Smoke this morning, then areas of smoke this
afternoon. Highs 92 to 99.
.TONIGHT...Mostly clear. Areas of smoke. Lows 60 to 70.
.SATURDAY...Sunny. Areas of smoke in the morning. Patchy smoke in
the afternoon. Highs 92 to 98.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Areas of smoke. Lows 53 to 62.
.SUNDAY...Sunny. Patchy smoke. Not as warm with highs 79 to 86.
.SUNDAY NIGHT...Patchy smoke in the evening. Mostly clear. Lows
49 to 57.
.MONDAY...Sunny. Highs 76 to 84.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 49 to 58. Highs
82 to 90.
.TUESDAY NIGHT...Clear. Lows 53 to 62.
.WEDNESDAY...Sunny. Highs 88 to 95.
.WEDNESDAY NIGHT...Clear. Lows 57 to 65.
.THURSDAY...Sunny. Highs 88 to 95.
$$
=
IDZ015-311600-
Southwest Highlands-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Smoke this morning, then patchy smoke this
afternoon. Highs 97 to 102.
.TONIGHT...Mostly clear. Patchy smoke in the evening. Areas of
smoke after midnight. Lows 59 to 67.
.SATURDAY...Sunny. Patchy smoke. Highs 98 to 103. Breezy.
.SATURDAY NIGHT...Mostly clear. Areas of smoke. Lows 58 to 63.
.SUNDAY...Sunny. Patchy smoke. Not as hot with highs 85 to 91.
Breezy.
.SUNDAY NIGHT...Mostly clear. Patchy smoke. Lows 51 to 56.
Breezy.
.MONDAY...Sunny. Highs 81 to 89.
.MONDAY NIGHT...Mostly clear. Lows 51 to 56.
.TUESDAY...Sunny. Highs 86 to 93.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 56 to
64. Highs 93 to 99.
.THURSDAY...Sunny. Highs 93 to 98.
$$
=
IDZ030-311600-
Southern Twin Falls County-
230 AM MDT Fri Jul 31 2026
.TODAY...Sunny. Patchy smoke. Highs 96 to 101.
.TONIGHT...Mostly clear. Patchy smoke. Lows 64 to 69.
.SATURDAY...Sunny. Highs 99 to 104.
.SATURDAY NIGHT...Mostly clear. Areas of smoke after midnight.
Lows 60 to 65.
.SUNDAY...Sunny. Patchy smoke. Not as warm with highs 85 to 90.
.SUNDAY NIGHT...Mostly clear. Patchy smoke. Lows 52 to 57.
.MONDAY THROUGH TUESDAY...Clear. Highs 82 to 91. Lows 52 to 57.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 56 to 66.
Highs 93 to 98.
$$
=
ORZ062-311600-
Baker County-
130 AM PDT Fri Jul 31 2026
.TODAY...Sunny. Patchy smoke this morning, then areas of smoke
this afternoon. Highs 94 to 102. North winds up to 10 mph with
gusts to 20 mph.
.TONIGHT...Mostly clear. Smoke in the evening, then patchy smoke
after midnight. Lows 54 to 65. West winds 10 to 15 mph.
.SATURDAY...Sunny. Patchy smoke. Highs 89 to 99. West winds 10 to
15 mph with gusts to 25 mph.
.SATURDAY NIGHT...Decreasing clouds. Patchy smoke. Cooler with
lows 44 to 55. Breezy. Northwest winds 10 to 20 mph with gusts to
40 mph.
.SUNDAY...Patchy fog in the morning. Sunny. Not as warm with
highs 76 to 85. Northwest winds 10 to 15 mph with gusts to
25 mph.
.SUNDAY NIGHT...Mostly clear. Lows 42 to 53. Breezy.
.MONDAY...Sunny. Highs 78 to 86.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 43 to 55. Highs
85 to 92.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 48 to 62.
Highs 89 to 97.
&&
TEMPERATURE
Baker City 98 54 91
$$
=
ORZ061-311600-
Harney County-
130 AM PDT Fri Jul 31 2026
.TODAY...Sunny, smoke. Highs 89 to 99. North winds up to 10 mph
this morning, shifting to south around 10 mph with gusts to
25 mph this afternoon.
.TONIGHT...Mostly clear. Areas of smoke. Lows 52 to 61. West
winds 10 to 15 mph with gusts to 25 mph.
.SATURDAY...Mostly sunny. Areas of smoke. Highs 86 to 96. West
winds 10 to 15 mph. Gusts to 30 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Patchy smoke. Lows 44 to 55. Breezy. Northwest winds 10 to 20 mph
with gusts to 30 mph.
.SUNDAY...Sunny. Patchy smoke. Not as warm with highs 76 to 85.
Northwest winds 10 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Patchy smoke. Lows 42 to 51.
.MONDAY...Sunny. Highs 76 to 85.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 42 to 53. Highs
82 to 92.
.TUESDAY NIGHT...Clear. Lows 48 to 58.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 86 to 96. Lows
50 to 60.
&&
TEMPERATURE
Burns 97 53 94
$$
=
ORZ063-311600-
Malheur County-
230 AM MDT Fri Jul 31 2026 /130 AM PDT Fri Jul 31 2026/
.TODAY...Sunny. Smoke this morning, then areas of smoke this
afternoon. Highs 97 to 102. Northeast winds 10 to 15 mph.
.TONIGHT...Mostly clear. Smoke in the evening. Areas of smoke
after midnight. Lows 59 to 69. South winds 10 to 15 mph.
.SATURDAY...Sunny. Areas of smoke in the morning. Smoke in the
afternoon. Highs 95 to 101. Southwest winds 10 to 15 mph. Gusts
to 30 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Smoke in the evening. Patchy smoke after midnight. Lows 53 to 63.
Breezy. Northwest winds 10 to 20 mph with gusts to 35 mph.
.SUNDAY...Sunny. Patchy smoke. Not as warm with highs 83 to 90.
Northwest winds 10 to 15 mph.
.SUNDAY NIGHT...Patchy smoke in the evening. Mostly clear. Lows
49 to 59.
.MONDAY...Sunny. Highs 81 to 88.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 49 to
59. Highs 87 to 94.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 93 to 100. Lows
56 to 65.
$$
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