933
FPUS55 KBOI 181837
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
1236 PM MDT THU JUN 18 2026
FORECAST UPDATED.
SPOT TEMPERATURES ARE FOR THE REST OF TODAY, TONIGHT, AND
JUNETEENTH.
IDZ011-190200-
WEST CENTRAL MOUNTAINS-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
SUNNY. HIGHS 71 TO 85.
TONIGHT
MOSTLY CLOUDY. LOWS 44 TO 55.
JUNETEENTH
MOSTLY SUNNY. HIGHS 76 TO 90.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 53 TO 60.
SATURDAY
DECREASING CLOUDS. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AND GUSTY
WINDS IN THE AFTERNOON. CHANCE OF RAIN 50 PERCENT. NOT AS WARM
WITH HIGHS 67 TO 81.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. CHANCE
OF RAIN 20 PERCENT. LOWS 43 TO 52.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 70 TO 84. LOWS 42 TO
53.
TUESDAY
SUNNY. HIGHS 79 TO 92.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 49 TO 59. HIGHS
79 TO 92.
TEMPERATURE
MCCALL 79 44 84
=
IDZ013-190200-
BOISE MOUNTAINS-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 73 TO 87.
TONIGHT
DECREASING CLOUDS. LOWS 43 TO 58.
JUNETEENTH
SUNNY. HIGHS 78 TO 93.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS
48 TO 63.
SATURDAY
DECREASING CLOUDS. A CHANCE OF RAIN SHOWERS. A CHANCE
OF THUNDERSTORMS. THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AND
GUSTY WINDS IN THE AFTERNOON. CHANCE OF RAIN 50 PERCENT. NOT AS
WARM WITH HIGHS 65 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 39 TO 54.
SUNDAY
SUNNY. HIGHS 71 TO 86.
SUNDAY NIGHT THROUGH TUESDAY
CLEAR. LOWS 40 TO 55. HIGHS 78 TO
93.
TUESDAY NIGHT AND WEDNESDAY
CLEAR. LOWS 47 TO 62. HIGHS 81 TO
96.
TEMPERATURE
IDAHO CITY 86 44 92
=
IDZ028-190200-
CAMAS PRAIRIE-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 80 TO 85. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 43 TO 49. WEST WINDS 10 TO
15 MPH. GUSTS TO 25 MPH IN THE EVENING.
JUNETEENTH
SUNNY. HIGHS 83 TO 88. EAST WINDS AROUND 10 MPH IN
THE MORNING, SHIFTING TO SOUTHWEST WITH GUSTS TO 25 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 54 TO 59. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL AND GUSTY WINDS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. NOT AS WARM WITH HIGHS 72 TO 77. WINDY. WEST WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH.
SATURDAY NIGHT
DECREASING CLOUDS. COOLER WITH LOWS 43 TO 48.
BREEZY.
SUNDAY
SUNNY. HIGHS 77 TO 82. BREEZY.
SUNDAY NIGHT THROUGH MONDAY NIGHT
CLEAR. LOWS 41 TO 49. HIGHS
80 TO 85. BREEZY.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 86 TO 91. LOWS 49 TO
54. BREEZY.
TEMPERATURE
FAIRFIELD 83 43 86
=
IDZ033-190200-
UPPER WEISER RIVER-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
SUNNY. HIGHS 82 TO 88. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 55 TO 60. EAST WINDS UP TO 10 MPH
IN THE EVENING, SHIFTING TO NORTH AFTER MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS 89 TO 94. NORTH WINDS UP TO 10 MPH IN
THE MORNING, SHIFTING TO SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 62 TO 67. SOUTHWEST WINDS UP
TO 10 MPH IN THE EVENING, SHIFTING TO EAST AFTER MIDNIGHT. GUSTS
TO 20 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.
CHANCE OF RAIN 20 PERCENT. HIGHS 81 TO 86. SOUTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
DECREASING CLOUDS. COOLER WITH LOWS 52 TO 57.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 82 TO 90. LOWS 52 TO
59.
TUESDAY
SUNNY. HIGHS 90 TO 96.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 65.
WEDNESDAY
SUNNY. HIGHS 91 TO 97.
TEMPERATURE
COUNCIL 88 57 94
CAMBRIDGE 88 55 94
=
ORZ064-190200-
OREGON LOWER TREASURE VALLEY-
1236 PM MDT THU JUN 18 2026 /1136 AM PDT THU JUN 18 2026/
REST OF TODAY
MOSTLY SUNNY. HIGHS 87 TO 92. LIGHT WINDS.
TONIGHT
DECREASING CLOUDS. LOWS 57 TO 62. EAST WINDS UP TO
10 MPH IN THE EVENING, SHIFTING TO NORTHWEST AFTER MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS 93 TO 98. NORTHWEST WINDS UP TO 10 MPH
IN THE MORNING, SHIFTING TO SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 67 TO 72. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
DECREASING CLOUDS. HIGHS 87 TO 92. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
COOLER WITH LOWS 56 TO 61. BREEZY.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 87 TO 93. LOWS 55 TO
62.
TUESDAY
SUNNY. HIGHS 94 TO 99.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 67.
WEDNESDAY
SUNNY. HIGHS 95 TO 100.
TEMPERATURE
ONTARIO 90 57 96
=
IDZ012-190200-
LOWER TREASURE VALLEY-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 86 TO 91. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO 20 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 55 TO 60. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO 20 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS 92 TO 97. LIGHT WINDS IN THE
MORNING, BECOMING SOUTH UP TO 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 65 TO 70. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.
CHANCE OF RAIN 30 PERCENT. HIGHS 85 TO 90. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SATURDAY NIGHT
DECREASING CLOUDS. COOLER WITH LOWS 54 TO 60.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 86 TO 93. LOWS 54 TO
60.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 93 TO 99. LOWS 60 TO
66.
TEMPERATURE
CALDWELL 89 55 95
=
IDZ014-190200-
UPPER TREASURE VALLEY-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 87 TO 92. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 54 TO 59. NORTHWEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
JUNETEENTH
MOSTLY SUNNY. HIGHS 93 TO 98. EAST WINDS UP TO
10 MPH IN THE MORNING, SHIFTING TO NORTHWEST WITH GUSTS TO 25 MPH
IN THE AFTERNOON.
FRIDAY NIGHT
CLOUDY, WARMER WITH LOWS 63 TO 68. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.
CHANCE OF RAIN 20 PERCENT. HIGHS 84 TO 89. BREEZY. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
SATURDAY NIGHT
DECREASING CLOUDS. LOWS 54 TO 59. BREEZY.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 86 TO 93. LOWS 52 TO
58. BREEZY.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 94 TO 100. LOWS 59 TO
64.
TEMPERATURE
BOISE 88 58 96
MOUNTAIN HOME 91 54 96
=
IDZ016-190200-
WESTERN MAGIC VALLEY-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 84 TO 89. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 51 TO 58. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
JUNETEENTH
MOSTLY SUNNY. HIGHS 90 TO 95. EAST WINDS AROUND
10 MPH IN THE MORNING, SHIFTING TO NORTH IN THE AFTERNOON. GUSTS
TO 20 MPH.
FRIDAY NIGHT
CLOUDY, WARMER WITH LOWS 61 TO 66. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.
CHANCE OF RAIN 20 PERCENT. NOT AS WARM WITH HIGHS 80 TO 85.
WINDY. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
SATURDAY NIGHT
DECREASING CLOUDS. COOLER WITH LOWS 52 TO 57.
BREEZY.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 83 TO 90. LOWS 50 TO
57. BREEZY.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 91 TO 97. LOWS 57 TO
62.
TEMPERATURE
JEROME 86 55 91
TWIN FALLS 87 58 91
=
IDZ029-190200-
OWYHEE MOUNTAINS-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 79 TO 86.
TONIGHT
DECREASING CLOUDS. LOWS 50 TO 60.
JUNETEENTH
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.
HIGHS 85 TO 90.
FRIDAY NIGHT
INCREASING CLOUDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS
55 TO 65. BREEZY.
SATURDAY
DECREASING CLOUDS. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 78 TO 83.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 47 TO 56.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 78 TO 85. LOWS 48 TO
58.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 85 TO 92. LOWS 54 TO
64.
=
IDZ015-190200-
SOUTHWEST HIGHLANDS-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 85 TO 90.
TONIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
JUNETEENTH
MOSTLY SUNNY. HIGHS 87 TO 93.
FRIDAY NIGHT
INCREASING CLOUDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. CHANCE OF RAIN 30 PERCENT.
LOWS 54 TO 64. BREEZY.
SATURDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 77 TO 84. BREEZY.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 49 TO 56. BREEZY.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 80 TO 86. LOWS
48 TO 53.
MONDAY AND MONDAY NIGHT
CLEAR. HIGHS 83 TO 89. LOWS 50 TO 55.
TUESDAY
SUNNY. HIGHS 89 TO 95.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 61.
WEDNESDAY
SUNNY. HIGHS 89 TO 96.
=
IDZ030-190200-
SOUTHERN TWIN FALLS COUNTY-
1236 PM MDT THU JUN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 85 TO 90.
TONIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
JUNETEENTH
MOSTLY SUNNY. HIGHS 88 TO 93.
FRIDAY NIGHT
CLOUDY. LOWS 58 TO 63.
SATURDAY
DECREASING CLOUDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE AFTERNOON. THUNDERSTORMS MAY PRODUCE
GUSTY WINDS IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT. NOT AS
WARM WITH HIGHS 78 TO 83. BREEZY.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO
58. HIGHS 82 TO 87.
MONDAY AND MONDAY NIGHT
CLEAR. HIGHS 84 TO 89. LOWS 52 TO 57.
TUESDAY
SUNNY. HIGHS 90 TO 95.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 63.
WEDNESDAY
SUNNY. HIGHS 91 TO 96.
=
ORZ062-190200-
BAKER COUNTY-
1136 AM PDT THU JUN 18 2026
REST OF TODAY
SUNNY. HIGHS 81 TO 89. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO 20 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 46 TO 57. NORTHWEST WINDS UP TO
10 MPH. GUSTS TO 25 MPH IN THE EVENING.
JUNETEENTH
MOSTLY SUNNY. HIGHS 86 TO 95. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO 20 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 54 TO 64. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH.
SATURDAY
PARTLY SUNNY. HIGHS 79 TO 88. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. COOLER WITH LOWS 42 TO 52.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 79 TO 89. LOWS 42 TO
55.
TUESDAY
SUNNY. HIGHS 88 TO 97.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 62.
WEDNESDAY
SUNNY. HIGHS 87 TO 97.
TEMPERATURE
BAKER CITY 84 46 90
=
ORZ061-190200-
HARNEY COUNTY-
1136 AM PDT THU JUN 18 2026
REST OF TODAY
PARTLY SUNNY. HIGHS 79 TO 89. WEST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
47 TO 57. NORTH WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS 79 TO 89. BREEZY. WEST WINDS UP
TO 10 MPH IN THE MORNING, INCREASING TO SOUTHWEST 10 TO 20 MPH IN
THE AFTERNOON.
FRIDAY NIGHT
PATCHY BLOWING DUST IN THE EVENING. CLOUDY WITH A
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS. THUNDERSTORMS MAY
PRODUCE GUSTY WINDS IN THE EVENING. CHANCE OF RAIN 30 PERCENT.
LOWS 52 TO 59. BREEZY. WEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH
IN THE EVENING.
SATURDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS. THUNDERSTORMS MAY PRODUCE GUSTY
WINDS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 75 TO
84. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 42 TO 49.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 77 TO 87. LOWS 43 TO
54.
TUESDAY
SUNNY. HIGHS 84 TO 94.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 59.
WEDNESDAY
SUNNY. HIGHS 82 TO 92.
TEMPERATURE
BURNS 87 47 89
=
ORZ063-190200-
MALHEUR COUNTY-
1236 PM MDT THU JUN 18 2026 /1136 AM PDT THU JUN 18 2026/
REST OF TODAY
MOSTLY SUNNY. HIGHS 84 TO 92. NORTH WINDS UP TO
10 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 50 TO 60. NORTHEAST WINDS UP
TO 10 MPH WITH GUSTS TO 20 MPH.
JUNETEENTH
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.
HIGHS 88 TO 95. NORTHEAST WINDS UP TO 10 MPH IN THE MORNING,
SHIFTING TO SOUTHWEST WITH GUSTS TO 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
INCREASING CLOUDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. CHANCE OF RAIN 30 PERCENT.
LOWS 57 TO 67. BREEZY. WEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE AFTERNOON. CHANCE OF
RAIN 30 PERCENT. HIGHS 81 TO 89. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO 25 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 48 TO 58. BREEZY.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 82 TO 90. LOWS 48 TO
58. BREEZY.
TUESDAY
SUNNY. HIGHS 90 TO 97.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 64.
WEDNESDAY
SUNNY. HIGHS 90 TO 97.
=
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