873
FPUS55 KBOI 311836
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
1236 PM MDT SUN MAY 31 2026
FORECAST UPDATED.
SPOT TEMPERATURES ARE FOR THE REST OF TODAY, TONIGHT, AND MONDAY.
IDZ011-010200-
WEST CENTRAL MOUNTAINS-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
PARTLY SUNNY. HIGHS 56 TO 69.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. PATCHY
FOG AFTER MIDNIGHT. LOWS 34 TO 44.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 57 TO 71.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 37 TO 47.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 60 TO
74.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 39 TO 49.
WEDNESDAY
SUNNY. HIGHS 67 TO 81.
WEDNESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. CHANCE OF
RAIN 30 PERCENT. LOWS 43 TO 53.
THURSDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A
40 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 60 TO 74.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. AREAS OF FOG THROUGH
THE DAY. LOWS 38 TO 48. HIGHS 66 TO 78.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS
60 TO 72.
TEMPERATURE
MCCALL 64 35 66
=
IDZ013-010200-
BOISE MOUNTAINS-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 58 TO 72.
TONIGHT
MOSTLY CLEAR. LOWS 29 TO 44.
MONDAY
SUNNY. HIGHS 61 TO 75.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 32 TO 47.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 79.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 35 TO 50.
WEDNESDAY
SUNNY. HIGHS 72 TO 85.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS 40 TO 55. HIGHS 64 TO 78.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 49.
FRIDAY
SUNNY. HIGHS 70 TO 84.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 54.
SATURDAY
MOSTLY SUNNY. HIGHS 65 TO 79.
TEMPERATURE
IDAHO CITY 71 36 74
=
IDZ028-010200-
CAMAS PRAIRIE-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 65 TO 70. BREEZY. WEST WINDS 15 TO
20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 33 TO 38. BREEZY. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH IN THE EVENING, BECOMING NORTH UP TO
10 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 66 TO 71. LIGHT WINDS IN THE MORNING,
BECOMING WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 40. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH IN THE EVENING, BECOMING LIGHT AFTER
MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 72 TO 77. LIGHT WINDS IN THE
MORNING, BECOMING SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH IN
THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 38 TO 43. HIGHS
77 TO 82.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 48.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 72 TO 77. LOWS
37 TO 42. WINDY.
FRIDAY
SUNNY. HIGHS 76 TO 81.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47.
SATURDAY
MOSTLY SUNNY. HIGHS 74 TO 79. BREEZY.
TEMPERATURE
FAIRFIELD 68 34 69
=
IDZ033-010200-
UPPER WEISER RIVER-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 68 TO 74. LIGHT WINDS.
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 48. NORTH WINDS 10 TO 15 MPH.
MONDAY
SUNNY. HIGHS 71 TO 77. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 47 TO 52. NORTH WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 74 TO 80. LIGHT WINDS.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS
79 TO 85.
WEDNESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. CHANCE OF
RAIN 20 PERCENT. LOWS 52 TO 57.
THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS 73 TO 79.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS
78 TO 84.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
73 TO 78.
TEMPERATURE
COUNCIL 73 44 75
CAMBRIDGE 74 45 77
=
ORZ064-010200-
OREGON LOWER TREASURE VALLEY-
1236 PM MDT SUN MAY 31 2026 /1136 AM PDT SUN MAY 31 2026/
REST OF TODAY
SUNNY. HIGHS 73 TO 78. NORTHWEST WINDS AROUND
10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
47 TO 52. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
SUNNY. HIGHS 76 TO 81. NORTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 50 TO 55. NORTH WINDS AROUND
10 MPH WITH GUSTS TO 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 80 TO 85. LIGHT WINDS.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 51 TO 56.
WEDNESDAY
MOSTLY SUNNY. HIGHS 84 TO 89.
WEDNESDAY NIGHT
DECREASING CLOUDS. LOWS 54 TO 59. BREEZY.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 78 TO 83. LOWS
49 TO 54. BREEZY.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 84 TO 89. LOWS
52 TO 57.
SATURDAY
MOSTLY SUNNY. HIGHS 77 TO 82.
TEMPERATURE
ONTARIO 76 47 79
=
IDZ012-010200-
LOWER TREASURE VALLEY-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 72 TO 77. NORTHWEST WINDS 10 TO
15 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 45 TO 50. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY
SUNNY. HIGHS 76 TO 81. NORTHWEST WINDS UP TO 10 MPH
WITH GUSTS TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 53. NORTH WINDS UP TO
10 MPH WITH GUSTS TO 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 79 TO 84. LIGHT WINDS.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS
84 TO 89.
WEDNESDAY NIGHT
DECREASING CLOUDS. LOWS 53 TO 58.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 78 TO 83. LOWS
49 TO 54. BREEZY.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 78 TO 88. LOWS
52 TO 57.
TEMPERATURE
CALDWELL 75 46 78
=
IDZ014-010200-
UPPER TREASURE VALLEY-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 72 TO 77. BREEZY. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 42 TO 48. BREEZY. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE EVENING,
DECREASING TO AROUND 10 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 75 TO 80. NORTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 45 TO 50. NORTHWEST WINDS
10 TO 15 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 81 TO 86. LIGHT WINDS IN THE
MORNING, BECOMING NORTHWEST AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS
86 TO 91.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 57. BREEZY.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 79 TO 84. LOWS
47 TO 52. BREEZY.
FRIDAY
SUNNY. HIGHS 85 TO 90.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 56.
SATURDAY
MOSTLY SUNNY. HIGHS 81 TO 86. BREEZY.
TEMPERATURE
BOISE 74 48 78
MOUNTAIN HOME 75 43 79
=
IDZ016-010200-
WESTERN MAGIC VALLEY-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 70 TO 75. BREEZY. WEST WINDS 15 TO
20 MPH WITH GUSTS TO 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 40 TO 45. BREEZY. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH IN THE EVENING, SHIFTING TO SOUTH
AROUND 10 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 72 TO 77. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47. WEST WINDS 10 TO
15 MPH IN THE EVENING, SHIFTING TO SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 79 TO 84. LIGHT WINDS IN THE
MORNING, BECOMING NORTHWEST AROUND 10 MPH WITH GUSTS TO 20 MPH IN
THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
84 TO 89.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 56.
THURSDAY
SUNNY. HIGHS 78 TO 83. WINDY.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 46 TO 51. HIGHS 83 TO
88. BREEZY.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS
81 TO 86. BREEZY.
TEMPERATURE
JEROME 71 42 75
TWIN FALLS 71 44 74
=
IDZ029-010200-
OWYHEE MOUNTAINS-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 64 TO 69.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
38 TO 47.
MONDAY
SUNNY. HIGHS 67 TO 72.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 42 TO 50.
TUESDAY
MOSTLY SUNNY. HIGHS 72 TO 78.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 45 TO 53.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 76 TO 82.
LOWS 46 TO 55.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 70 TO 75. LOWS
43 TO 51. BREEZY.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 76 TO 82. LOWS
47 TO 55.
SATURDAY
MOSTLY SUNNY. HIGHS 71 TO 76. BREEZY.
=
IDZ015-010200-
SOUTHWEST HIGHLANDS-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 66 TO 73.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
38 TO 43.
MONDAY
SUNNY. HIGHS 69 TO 76.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
TUESDAY
MOSTLY SUNNY. HIGHS 76 TO 82.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 81 TO 88.
LOWS 47 TO 52. BREEZY.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 74 TO 80. LOWS
43 TO 48. BREEZY.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 80 TO 87. LOWS
47 TO 53.
SATURDAY
MOSTLY SUNNY. HIGHS 76 TO 83. BREEZY.
=
IDZ030-010200-
SOUTHERN TWIN FALLS COUNTY-
1236 PM MDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 68 TO 73.
TONIGHT
PARTLY CLOUDY. LOWS 41 TO 46.
MONDAY
SUNNY. HIGHS 70 TO 75.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47.
TUESDAY
SUNNY. HIGHS 78 TO 83.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS
83 TO 88.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 77 TO 82. LOWS
46 TO 51. BREEZY.
FRIDAY
SUNNY. HIGHS 82 TO 87.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS
80 TO 85. BREEZY.
=
ORZ062-010200-
BAKER COUNTY-
1136 AM PDT SUN MAY 31 2026
REST OF TODAY
SUNNY. HIGHS 65 TO 73. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
TONIGHT
DECREASING CLOUDS. LOWS 35 TO 46. BREEZY. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE EVENING,
DECREASING TO AROUND 10 MPH WITH GUSTS TO 20 MPH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 68 TO 76. NORTHWEST WINDS 10 TO
15 MPH. GUSTS TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 40 TO 50. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH IN THE EVENING, BECOMING LIGHT AFTER
MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 73 TO 80. LIGHT WINDS.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 41 TO 52.
WEDNESDAY
MOSTLY SUNNY. HIGHS 75 TO 84.
WEDNESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. CHANCE OF
RAIN 30 PERCENT. LOWS 42 TO 53. BREEZY.
THURSDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. PATCHY FOG IN THE MORNING. CHANCE OF RAIN 20 PERCENT.
HIGHS 69 TO 78. BREEZY.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 38 TO 49. HIGHS
75 TO 85.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 40 TO 51. HIGHS
66 TO 76.
TEMPERATURE
BAKER CITY 68 35 72
=
ORZ061-010200-
HARNEY COUNTY-
1136 AM PDT SUN MAY 31 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 61 TO 69. WEST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 34 TO 42. NORTHWEST WINDS UP TO
10 MPH.
MONDAY
SUNNY. HIGHS 65 TO 73. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 46. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 79. LIGHT WINDS.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 41 TO 50.
WEDNESDAY
MOSTLY SUNNY. HIGHS 71 TO 80.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. CHANCE OF RAIN
30 PERCENT. LOWS 39 TO 48. BREEZY.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 67 TO 75. LOWS
38 TO 46.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 73 TO 81. LOWS
39 TO 47.
SATURDAY
MOSTLY SUNNY. HIGHS 63 TO 72.
TEMPERATURE
BURNS 68 34 72
=
ORZ063-010200-
MALHEUR COUNTY-
1236 PM MDT SUN MAY 31 2026 /1136 AM PDT SUN MAY 31 2026/
REST OF TODAY
SUNNY. HIGHS 67 TO 74. NORTHWEST WINDS UP TO
10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
39 TO 49. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MONDAY
SUNNY. HIGHS 71 TO 78. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 42 TO 52. NORTH WINDS
10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 76 TO 83. LIGHT WINDS.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 44 TO 54.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 86.
WEDNESDAY NIGHT
DECREASING CLOUDS. A 20 PERCENT CHANCE OF
SHOWERS. LOWS 45 TO 55. BREEZY.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 73 TO 80. LOWS
42 TO 52. BREEZY.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 80 TO 86. LOWS
45 TO 54.
SATURDAY
MOSTLY SUNNY. HIGHS 71 TO 79.
=
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