808
FPUS55 KBOI 080831
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 AM MDT SAT AUG 8 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND SUNDAY.
IDZ011-081600-
WEST CENTRAL MOUNTAINS-
230 AM MDT SAT AUG 8 2026
TODAY
SUNNY, SMOKE. HIGHS 82 TO 95.
TONIGHT
MOSTLY CLEAR. SMOKE IN THE EVENING, THEN AREAS OF
SMOKE AFTER MIDNIGHT. LOWS 49 TO 60.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 79 TO 93.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING.
PATCHY SMOKE AFTER MIDNIGHT. LOWS 50 TO 60.
MONDAY
SUNNY. PATCHY SMOKE. HIGHS 77 TO 91.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59.
TUESDAY
SUNNY. HIGHS 77 TO 91.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 46 TO 58. HIGHS
75 TO 88.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
45 TO 56.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 72 TO 86.
THURSDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
44 TO 56.
FRIDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 73 TO 86.
TEMPERATURE
MCCALL 90 49 87
=
IDZ013-081600-
BOISE MOUNTAINS-
230 AM MDT SAT AUG 8 2026
TODAY
SUNNY, SMOKE. HIGHS 84 TO 99.
TONIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 48 TO 63.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 83 TO 97.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING.
SMOKE AFTER MIDNIGHT. LOWS 47 TO 62.
MONDAY
SUNNY. AREAS OF SMOKE IN THE MORNING, THEN PATCHY SMOKE
IN THE AFTERNOON. HIGHS 81 TO 96.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 60.
TUESDAY
SUNNY. HIGHS 81 TO 96.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 44 TO 59.
HIGHS 76 TO 91.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 42 TO 57. HIGHS
74 TO 89.
TEMPERATURE
IDAHO CITY 98 52 96
=
IDZ028-081600-
CAMAS PRAIRIE-
230 AM MDT SAT AUG 8 2026
TODAY
SUNNY. AREAS OF SMOKE THIS MORNING, THEN SMOKE THIS
AFTERNOON. HIGHS 92 TO 97. BREEZY. LIGHT WINDS THIS MORNING,
BECOMING WEST 10 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 53 TO 58. BREEZY.
NORTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE EVENING.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 90 TO 95. BREEZY. WEST
WINDS UP TO 10 MPH IN THE MORNING, INCREASING TO 10 TO 20 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 51 TO 56.
BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
MONDAY
SUNNY. AREAS OF SMOKE. HIGHS 89 TO 94. BREEZY. LIGHT
WINDS IN THE MORNING, BECOMING WEST 10 TO 20 MPH WITH GUSTS TO
30 MPH IN THE AFTERNOON.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 49 TO 55.
HIGHS 84 TO 93. BREEZY.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS 47 TO 53.
HIGHS 80 TO 87. BREEZY.
TEMPERATURE
FAIRFIELD 94 53 93
=
IDZ033-081600-
UPPER WEISER RIVER-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
SUNNY, SMOKE. HIGHS 94 TO 101. NORTH WINDS UP TO 10 MPH
THIS MORNING, SHIFTING TO WEST THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. SMOKE IN THE EVENING, THEN AREAS OF
SMOKE AFTER MIDNIGHT. LOWS 58 TO 65. NORTH WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE IN THE MORNING, THEN SMOKE IN THE
AFTERNOON. HIGHS 91 TO 96. NORTH WINDS 10 TO 15 MPH IN THE
MORNING, SHIFTING TO WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. SMOKE IN THE EVENING. PATCHY SMOKE
AFTER MIDNIGHT. LOWS 60 TO 65. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
MONDAY
SUNNY. PATCHY SMOKE IN THE MORNING, THEN AREAS OF SMOKE
IN THE AFTERNOON. HIGHS 90 TO 96. NORTH WINDS UP TO 10 MPH IN THE
MORNING, SHIFTING TO WEST IN THE AFTERNOON. GUSTS TO 20 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 64.
TUESDAY
SUNNY. HIGHS 90 TO 96.
TUESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 57 TO 63.
HIGHS 85 TO 93.
TEMPERATURE
COUNCIL 99 63 96
CAMBRIDGE 100 58 96
=
ORZ064-081600-
OREGON LOWER TREASURE VALLEY-
230 AM MDT SAT AUG 8 2026 /130 AM PDT SAT AUG 8 2026/
...HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS
EVENING...
TODAY
SUNNY, SMOKE. HIGHS 99 TO 104. NORTHWEST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLEAR. SMOKE IN THE EVENING, THEN AREAS OF
SMOKE AFTER MIDNIGHT. LOWS 63 TO 69. BREEZY. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 95 TO 100. NORTHWEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH IN THE MORNING.
SUNDAY NIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLEAR. LOWS
62 TO 68. BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH.
MONDAY
SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS 93 TO 98.
NORTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO
67. HIGHS 88 TO 98.
FRIDAY
MOSTLY SUNNY. HIGHS 88 TO 93.
TEMPERATURE
ONTARIO 101 63 96
=
IDZ012-081600-
LOWER TREASURE VALLEY-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
SUNNY, SMOKE. HIGHS 96 TO 102. NORTHWEST WINDS 10 TO
15 MPH.
TONIGHT
MOSTLY CLEAR. SMOKE. LOWS 61 TO 67. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 93 TO 98. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING.
PATCHY SMOKE AFTER MIDNIGHT. LOWS 60 TO 66. NORTHWEST WINDS 10 TO
15 MPH.
MONDAY
SUNNY. PATCHY SMOKE. HIGHS 92 TO 97. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 57 TO 65.
HIGHS 88 TO 97.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 57 TO 62. HIGHS
87 TO 92.
TEMPERATURE
CALDWELL 99 63 97
=
IDZ014-081600-
UPPER TREASURE VALLEY-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
SUNNY. AREAS OF SMOKE THIS MORNING, THEN SMOKE THIS
AFTERNOON. HIGHS 96 TO 101. NORTHWEST WINDS 10 TO 15 MPH. GUSTS
TO 25 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. SMOKE. LOWS 62 TO 67. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 94 TO 100. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 60 TO 65.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
SUNNY. PATCHY SMOKE. HIGHS 93 TO 99. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 58 TO 64.
HIGHS 89 TO 98. BREEZY.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS 56 TO 62.
HIGHS 87 TO 92. BREEZY.
TEMPERATURE
BOISE 98 65 96
MOUNTAIN HOME 100 64 99
=
IDZ016-081600-
WESTERN MAGIC VALLEY-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
MOSTLY SUNNY. AREAS OF SMOKE. HIGHS 94 TO 99. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS TO 25 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. SMOKE IN THE EVENING, THEN AREAS OF
SMOKE AFTER MIDNIGHT. LOWS 62 TO 67. SOUTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 93 TO 98. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 60 TO 65.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
SUNNY. PATCHY SMOKE. HIGHS 92 TO 97. WEST WINDS 10 TO
15 MPH. GUSTS TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS
91 TO 96.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS 56 TO 64.
HIGHS 85 TO 92.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 56 TO 61.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 88.
TEMPERATURE
JEROME 94 63 93
TWIN FALLS 96 67 94
=
IDZ029-081600-
OWYHEE MOUNTAINS-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
SUNNY, SMOKE. HIGHS 89 TO 97.
TONIGHT
MOSTLY CLEAR. SMOKE. LOWS 58 TO 67.
SUNDAY
SUNNY, SMOKE. HIGHS 86 TO 94.
SUNDAY NIGHT
MOSTLY CLEAR. SMOKE. LOWS 55 TO 65.
MONDAY
SUNNY. SMOKE IN THE MORNING, THEN AREAS OF SMOKE IN THE
AFTERNOON. HIGHS 85 TO 93.
MONDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO
63. HIGHS 82 TO 92.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 79 TO 87. LOWS
51 TO 61.
=
IDZ015-081600-
SOUTHWEST HIGHLANDS-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
MOSTLY SUNNY. SMOKE. HIGHS 93 TO 99. BREEZY. GUSTS TO
35 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. SMOKE. LOWS 60 TO 65.
SUNDAY
MOSTLY SUNNY. AREAS OF SMOKE. HIGHS 92 TO 97.
SUNDAY NIGHT
MOSTLY CLEAR. SMOKE. LOWS 59 TO 64. BREEZY.
MONDAY
SUNNY, SMOKE. HIGHS 91 TO 96.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS
90 TO 95.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS 55 TO 61.
HIGHS 83 TO 91. BREEZY.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS 54 TO 59.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 86.
=
IDZ030-081600-
SOUTHERN TWIN FALLS COUNTY-
230 AM MDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
TODAY
PARTLY SUNNY. AREAS OF SMOKE. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THIS AFTERNOON. THUNDERSTORMS MAY PRODUCE GUSTY
WINDS THIS AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 94 TO 99.
BREEZY. GUSTS TO 35 MPH THIS AFTERNOON.
TONIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
AREAS OF SMOKE. THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
EVENING. CHANCE OF RAIN 20 PERCENT. LOWS 63 TO 68.
SUNDAY
MOSTLY SUNNY. AREAS OF SMOKE. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. THUNDERSTORMS MAY
PRODUCE GUSTY WINDS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT.
HIGHS 92 TO 97.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
AREAS OF SMOKE. THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
EVENING. CHANCE OF RAIN 20 PERCENT. LOWS 62 TO 67.
MONDAY
SUNNY. PATCHY SMOKE. HIGHS 91 TO 96.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS
89 TO 94.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS
57 TO 65. HIGHS 85 TO 90.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS 82 TO 87.
LOWS 56 TO 61.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.
HIGHS 81 TO 86.
=
ORZ062-081600-
BAKER COUNTY-
130 AM PDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING
TODAY
SUNNY, SMOKE. HIGHS 90 TO 98. BREEZY. NORTHWEST WINDS UP
TO 10 MPH THIS MORNING, INCREASING TO 10 TO 20 MPH WITH GUSTS TO
30 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. SMOKE. LOWS 49 TO 62. BREEZY. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 87 TO 96. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING.
PATCHY SMOKE AFTER MIDNIGHT. LOWS 48 TO 60. BREEZY. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
MONDAY
SUNNY. PATCHY SMOKE. HIGHS 86 TO 95. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO 20 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 59.
TUESDAY
SUNNY. HIGHS 85 TO 94.
TUESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 44 TO 58.
HIGHS 82 TO 91. BREEZY.
TEMPERATURE
BAKER CITY 93 49 90
=
ORZ061-081600-
HARNEY COUNTY-
130 AM PDT SAT AUG 8 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING
TODAY
SUNNY. SMOKE THIS MORNING, THEN AREAS OF SMOKE THIS
AFTERNOON. HIGHS 88 TO 98. LIGHT WINDS THIS MORNING, BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. SMOKE. LOWS 50 TO 59. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY
SUNNY. SMOKE IN THE MORNING, THEN AREAS OF SMOKE IN THE
AFTERNOON. HIGHS 84 TO 94. WEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 49 TO 58.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
SUNNY. AREAS OF SMOKE. HIGHS 82 TO 92. WEST WINDS UP TO
10 MPH. GUSTS TO 20 MPH IN THE AFTERNOON.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 45 TO 57.
HIGHS 80 TO 91.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 46 TO 55. HIGHS
78 TO 88.
TEMPERATURE
BURNS 97 50 93
=
ORZ063-081600-
MALHEUR COUNTY-
230 AM MDT SAT AUG 8 2026 /130 AM PDT SAT AUG 8 2026/
...HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS
EVENING...
TODAY
SUNNY. AREAS OF SMOKE. HIGHS 95 TO 101. NORTHWEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 57 TO 66. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
SUNDAY
SUNNY. AREAS OF SMOKE. HIGHS 92 TO 99. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. AREAS OF SMOKE. LOWS 55 TO 65.
BREEZY. NORTHWEST WINDS 10 TO 20 MPH.
MONDAY
SUNNY. AREAS OF SMOKE IN THE MORNING, THEN PATCHY SMOKE
IN THE AFTERNOON. HIGHS 91 TO 96. NORTHWEST WINDS UP TO 10 MPH
WITH GUSTS TO 20 MPH.
MONDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 52 TO 62.
HIGHS 85 TO 95.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 52 TO 62. HIGHS
85 TO 90.
=
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