445
FPUS55 KBOI 182354
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
553 PM MDT THU JUN 18 2026
FORECAST UPDATED.
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND JUNETEENTH.
IDZ011-190700-
WEST CENTRAL MOUNTAINS-
553 PM MDT THU JUN 18 2026
TONIGHT
INCREASING CLOUDS. LOWS 44 TO 55.
JUNETEENTH
MOSTLY SUNNY. HIGHS 76 TO 90.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 53 TO 60.
SATURDAY
DECREASING CLOUDS. SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS, MAINLY IN THE AFTERNOON. CHANCE OF RAIN
70 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 THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO
59. HIGHS 79 TO 92.
THURSDAY
SUNNY. HIGHS 75 TO 89.
TEMPERATURE
MCCALL 79 44 84
=
IDZ013-190700-
BOISE MOUNTAINS-
553 PM MDT THU JUN 18 2026
TONIGHT
MOSTLY CLOUDY. LOWS 43 TO 58.
JUNETEENTH
SUNNY. HIGHS 78 TO 93.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 48 TO 63.
SATURDAY
RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF RAIN 60 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 THROUGH THURSDAY
CLEAR. LOWS 47 TO 62. HIGHS
80 TO 95.
TEMPERATURE
IDAHO CITY 86 44 92
=
IDZ028-190700-
CAMAS PRAIRIE-
553 PM MDT THU JUN 18 2026
TONIGHT
MOSTLY CLOUDY. LOWS 43 TO 49. WEST WINDS 10 TO 15 MPH.
GUSTS TO 25 MPH EARLY.
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
DECREASING CLOUDS. A SLIGHT CHANCE OF THUNDERSTORMS.
A CHANCE OF SHOWERS, MAINLY IN THE MORNING. 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.
WINDY. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH IN THE
EVENING, DECREASING TO AROUND 10 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 77 TO 82. BREEZY.
SUNDAY NIGHT THROUGH MONDAY NIGHT
CLEAR. LOWS 41 TO 49. HIGHS
80 TO 85. BREEZY.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 83 TO 91. LOWS 48 TO 54.
BREEZY.
TEMPERATURE
FAIRFIELD 83 43 86
=
IDZ033-190700-
UPPER WEISER RIVER-
553 PM MDT THU JUN 18 2026
TONIGHT
INCREASING CLOUDS. LOWS 55 TO 60. LIGHT WINDS EARLY,
BECOMING EAST UP TO 10 MPH THIS EVENING, THEN 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 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.
NORTHWEST WINDS 10 TO 15 MPH.
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 THROUGH THURSDAY
CLEAR. HIGHS 88 TO 97. LOWS 59 TO
64.
TEMPERATURE
COUNCIL 88 57 94
CAMBRIDGE 88 55 94
=
ORZ064-190700-
OREGON LOWER TREASURE VALLEY-
553 PM MDT THU JUN 18 2026 /453 PM PDT THU JUN 18 2026/
TONIGHT
MOSTLY CLOUDY. LOWS 57 TO 62. EAST WINDS UP TO 10 MPH
EARLY, 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. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 67 TO 72. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. 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. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH.
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 THROUGH THURSDAY
CLEAR. HIGHS 92 TO 100. LOWS 62 TO
67.
TEMPERATURE
ONTARIO 90 57 96
=
IDZ012-190700-
LOWER TREASURE VALLEY-
553 PM MDT THU JUN 18 2026
TONIGHT
MOSTLY CLOUDY. 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. A CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 65 TO 70. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS 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.
NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 86 TO 93. LOWS 54 TO
60.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 92 TO 99. LOWS 60 TO 66.
TEMPERATURE
CALDWELL 89 55 95
=
IDZ014-190700-
UPPER TREASURE VALLEY-
553 PM MDT THU JUN 18 2026
TONIGHT
DECREASING CLOUDS. LOWS 54 TO 59. NORTHWEST WINDS
10 TO 15 MPH. GUSTS TO 25 MPH EARLY.
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. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. WARMER WITH LOWS 63 TO 68.
WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON. CHANCE OF RAIN
30 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.
NORTHWEST WINDS 10 TO 20 MPH. GUSTS TO 35 MPH IN THE EVENING.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 86 TO 93. LOWS 52 TO
58. BREEZY.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 93 TO 100. LOWS 59 TO
64. BREEZY.
TEMPERATURE
BOISE 88 58 96
MOUNTAIN HOME 91 54 96
=
IDZ016-190700-
WESTERN MAGIC VALLEY-
553 PM MDT THU JUN 18 2026
TONIGHT
DECREASING CLOUDS. LOWS 51 TO 58. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH EARLY, SHIFTING TO SOUTH AFTER
MIDNIGHT.
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. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. 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 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. WEST WINDS 10 TO 20 MPH. GUSTS TO 35 MPH IN THE EVENING.
SUNDAY THROUGH MONDAY NIGHT
CLEAR. HIGHS 83 TO 90. LOWS 50 TO
57. BREEZY.
TUESDAY THROUGH THURSDAY
CLEAR. HIGHS 90 TO 97. LOWS 57 TO 62.
BREEZY.
TEMPERATURE
JEROME 86 55 91
TWIN FALLS 87 58 91
=
IDZ029-190700-
OWYHEE MOUNTAINS-
553 PM MDT THU JUN 18 2026
TONIGHT
MOSTLY SUNNY EARLY, THEN BECOMING MOSTLY CLOUDY THIS
EVENING, THEN BECOMING PARTLY CLOUDY AFTER MIDNIGHT. LOWS 50 TO
60.
JUNETEENTH
INCREASING CLOUDS. HIGHS 85 TO 90.
FRIDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF RAIN 30 PERCENT. LOWS 55 TO
65. BREEZY.
SATURDAY
DECREASING CLOUDS. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS 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 THURSDAY
CLEAR. HIGHS 84 TO 92. LOWS 54 TO 64.
=
IDZ015-190700-
SOUTHWEST HIGHLANDS-
553 PM MDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
JUNETEENTH
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 87 TO 93.
FRIDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF RAIN 30 PERCENT. LOWS 54 TO
64. BREEZY.
SATURDAY
DECREASING CLOUDS. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS, MAINLY 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.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 61. BREEZY.
THURSDAY
SUNNY. HIGHS 87 TO 93.
=
IDZ030-190700-
SOUTHERN TWIN FALLS COUNTY-
553 PM MDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
JUNETEENTH
MOSTLY SUNNY. HIGHS 88 TO 93.
FRIDAY NIGHT
CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS, MAINLY AFTER MIDNIGHT. CHANCE OF RAIN
30 PERCENT. LOWS 58 TO 63.
SATURDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS, MAINLY IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. NOT AS WARM WITH HIGHS 78 TO 83. BREEZY.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 53 TO 58.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 82 TO 87. LOWS
51 TO 56.
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.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 62.
THURSDAY
SUNNY. HIGHS 89 TO 94.
=
ORZ062-190700-
BAKER COUNTY-
453 PM PDT THU JUN 18 2026
TONIGHT
INCREASING CLOUDS. LOWS 46 TO 57. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO 25 MPH.
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.
BREEZY. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
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.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 59.
THURSDAY
SUNNY. HIGHS 84 TO 94.
TEMPERATURE
BAKER CITY 84 46 90
=
ORZ061-190700-
HARNEY COUNTY-
453 PM PDT THU JUN 18 2026
TONIGHT
MOSTLY CLOUDY EARLY, THEN CLEARING. LOWS 47 TO 57.
NORTH WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
JUNETEENTH
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. 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, MAINLY 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
DECREASING CLOUDS. A CHANCE OF SHOWERS, MAINLY IN THE
MORNING. CHANCE OF RAIN 30 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. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
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.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 56.
THURSDAY
SUNNY. HIGHS 80 TO 90.
TEMPERATURE
BURNS 87 47 89
=
ORZ063-190700-
MALHEUR COUNTY-
553 PM MDT THU JUN 18 2026 /453 PM PDT THU JUN 18 2026/
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
A CHANCE OF THUNDERSTORMS IN THE EVENING. CLOUDY
WITH A CHANCE OF SHOWERS. CHANCE OF RAIN 30 PERCENT. LOWS 57 TO
67. BREEZY. WEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS 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. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH.
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.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63.
THURSDAY
SUNNY. HIGHS 87 TO 94.
=
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