875
FPUS55 KBOI 052031
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
230 PM MDT TUE MAY 5 2026
SPOT TEMPERATURES ARE FOR TONIGHT, WEDNESDAY, WEDNESDAY NIGHT,
AND THURSDAY.
IDZ011-060400-
WEST CENTRAL MOUNTAINS-
230 PM MDT TUE MAY 5 2026
TONIGHT
CLEAR. LOWS 33 TO 44. BREEZY.
WEDNESDAY
SUNNY. HIGHS 57 TO 72.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 38 TO 48.
THURSDAY
SUNNY. HIGHS 60 TO 75.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 46.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 58 TO 73. LOWS
35 TO 46.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 58 TO 71. LOWS
34 TO 45.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 65 TO 79. LOWS
39 TO 49.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 71 TO 84. LOWS
40 TO 52.
TUESDAY
SUNNY. HIGHS 64 TO 79.
TEMPERATURE
MCCALL 33 66 38 69
=
IDZ013-060400-
BOISE MOUNTAINS-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 28 TO 43. BREEZY.
WEDNESDAY
SUNNY. HIGHS 59 TO 73.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 49.
THURSDAY
SUNNY. HIGHS 62 TO 77. BREEZY.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 32 TO 47.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 61 TO 76. LOWS
32 TO 47.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 59 TO 74. LOWS 30 TO
45.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 68 TO 83. LOWS
36 TO 51.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 75 TO 90. LOWS
39 TO 54.
TUESDAY
SUNNY. HIGHS 69 TO 83.
TEMPERATURE
IDAHO CITY 35 72 38 75
=
IDZ028-060400-
CAMAS PRAIRIE-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. COLDER WITH LOWS 27 TO 34. WINDY. NORTH
WINDS 15 TO 25 MPH THIS EVENING, BECOMING SOUTH UP TO 10 MPH WITH
GUSTS TO 20 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 64 TO 69. WINDY. SOUTH WINDS UP TO
10 MPH IN THE MORNING, INCREASING TO WEST 15 TO 25 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 30 TO 37. WINDY. WEST
WINDS 15 TO 25 MPH IN THE EVENING, DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 69 TO 74. WINDY. WEST WINDS
AROUND 10 MPH IN THE MORNING, INCREASING TO 20 TO 30 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 38. WINDY. WEST WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE EVENING, DECREASING TO
10 TO 15 MPH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 68 TO 73. LOWS
37 TO 42. WINDY.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 67 TO 72. LOWS 34 TO
39. WINDY.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 73 TO 78. LOWS
38 TO 43.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 76 TO 86. LOWS
41 TO 46. WINDY.
TEMPERATURE
FAIRFIELD 28 67 31 71
=
IDZ033-060400-
UPPER WEISER RIVER-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 48. BREEZY. NORTH WINDS 10 TO
20 MPH. GUSTS TO 30 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 69 TO 75. SOUTH WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 46 TO 51. SOUTH WINDS UP
TO 10 MPH IN THE EVENING, SHIFTING TO WEST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 73 TO 79. WEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 49. NORTHWEST
WINDS UP TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 72 TO 78. LOWS
43 TO 48.
SATURDAY
SUNNY. HIGHS 69 TO 76.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO
52. HIGHS 77 TO 83.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 83 TO 90. LOWS
48 TO 53.
TUESDAY
SUNNY. HIGHS 77 TO 83.
TEMPERATURE
COUNCIL 44 74 47 77
CAMBRIDGE 44 75 48 79
=
ORZ064-060400-
OREGON LOWER TREASURE VALLEY-
230 PM MDT TUE MAY 5 2026 /130 PM PDT TUE MAY 5 2026/
TONIGHT
MOSTLY CLEAR. LOWS 45 TO 50. WINDY. NORTH WINDS 15 TO
25 MPH THIS EVENING, BECOMING NORTHWEST 10 TO 15 MPH AFTER
MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTHEAST WINDS AROUND
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 54. SOUTHEAST WINDS
UP TO 10 MPH IN THE EVENING, SHIFTING TO NORTHWEST AFTER
MIDNIGHT.
THURSDAY
SUNNY. HIGHS 80 TO 85. NORTHWEST WINDS UP TO 10 MPH
WITH GUSTS TO 20 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 52. NORTHWEST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 79 TO 84.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
47 TO 52. WINDY.
SATURDAY
SUNNY. HIGHS 74 TO 79.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO
54. HIGHS 81 TO 86.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 87 TO 92. LOWS
53 TO 58.
TUESDAY
SUNNY. HIGHS 82 TO 87.
TEMPERATURE
ONTARIO 47 78 50 84
=
IDZ012-060400-
LOWER TREASURE VALLEY-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 44 TO 49. BREEZY. NORTH WINDS 10 TO
20 MPH. GUSTS TO 35 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTHEAST WINDS 10 TO 15 MPH.
GUSTS TO 25 MPH IN THE MORNING.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 48 TO 53. EAST WINDS UP TO
10 MPH IN THE EVENING, SHIFTING TO NORTHWEST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 79 TO 84. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 51. NORTHWEST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 78 TO 83.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
47 TO 52. BREEZY.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 74 TO 79. LOWS 44 TO
49.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 82 TO 87. LOWS
49 TO 54.
MONDAY
SUNNY. HIGHS 88 TO 93.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 57.
TUESDAY
SUNNY. HIGHS 83 TO 88.
TEMPERATURE
CALDWELL 46 78 50 82
=
IDZ014-060400-
UPPER TREASURE VALLEY-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 41 TO 46. WINDY. NORTH WINDS 15 TO
25 MPH. GUSTS TO 40 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 74 TO 79. BREEZY. SOUTHEAST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH IN THE MORNING, SHIFTING TO NORTHWEST
10 TO 15 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 46 TO 51. NORTH WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE EVENING, SHIFTING TO
EAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 79 TO 84. BREEZY. NORTHWEST WINDS
10 TO 20 MPH. GUSTS TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 45 TO 50. BREEZY. NORTH
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE EVENING, BECOMING
NORTHWEST UP TO 10 MPH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 78 TO 84. LOWS
47 TO 52. WINDY.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 73 TO 78. LOWS 42 TO
47. WINDY.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. WARMER. HIGHS 82 TO 87.
LOWS 47 TO 52.
MONDAY
SUNNY. HIGHS 91 TO 96.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 51 TO 56.
TUESDAY
SUNNY. HIGHS 84 TO 89. BREEZY.
TEMPERATURE
BOISE 46 77 51 81
MOUNTAIN HOME 42 77 46 83
=
IDZ016-060400-
WESTERN MAGIC VALLEY-
230 PM MDT TUE MAY 5 2026
TONIGHT
PARTLY CLOUDY WITH ISOLATED RAIN SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. COLDER WITH LOWS 36 TO 41. WINDY.
NORTH WINDS 15 TO 25 MPH THIS EVENING, SHIFTING TO EAST 10 TO
20 MPH AFTER MIDNIGHT. GUSTS TO 35 MPH.
WEDNESDAY
SUNNY. HIGHS 68 TO 73. BREEZY. EAST WINDS 10 TO
15 MPH IN THE MORNING, SHIFTING TO WEST 10 TO 20 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 43 TO 49. BREEZY.
SOUTHWEST WINDS 10 TO 20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 76 TO 81. WINDY. SOUTHWEST WINDS
10 TO 15 MPH IN THE MORNING, BECOMING WEST 15 TO 25 MPH WITH
GUSTS TO 35 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 43 TO 49. WINDY. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
35 MPH IN THE EVENING, BECOMING SOUTHWEST 10 TO 15 MPH AFTER
MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 76 TO 81. LOWS
45 TO 50. BREEZY.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 70 TO 75. LOWS 40 TO
45. WINDY.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 79 TO 84. LOWS
44 TO 49.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 87 TO 93. LOWS
49 TO 54.
TUESDAY
SUNNY. HIGHS 82 TO 87. BREEZY.
TEMPERATURE
JEROME 39 68 46 77
TWIN FALLS 39 69 49 77
=
IDZ029-060400-
OWYHEE MOUNTAINS-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 47. WINDY. NORTH WINDS AROUND
25 MPH WITH GUSTS TO 35 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 68 TO 74.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 44 TO 53.
THURSDAY
SUNNY. HIGHS 73 TO 78.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 42 TO 51.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 72 TO 77. LOWS
42 TO 51. BREEZY.
SATURDAY
SUNNY. HIGHS 67 TO 72.
SATURDAY NIGHT
CLEAR. LOWS 40 TO 49.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. WARMER. HIGHS 74 TO 81.
LOWS 46 TO 54.
MONDAY
SUNNY. HIGHS 82 TO 89.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 57.
TUESDAY
SUNNY. HIGHS 77 TO 83.
=
IDZ015-060400-
SOUTHWEST HIGHLANDS-
230 PM MDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 35 TO 41. WINDY. NORTH WINDS 25 TO
30 MPH WITH GUSTS TO 40 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 67 TO 74.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 41 TO 47.
THURSDAY
MOSTLY SUNNY. HIGHS 74 TO 81. WINDY. NORTHWEST WINDS
AROUND 25 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46. BREEZY.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 74 TO 80. LOWS
42 TO 48. BREEZY.
SATURDAY
SUNNY. HIGHS 69 TO 74. BREEZY.
SATURDAY NIGHT
CLEAR. LOWS 38 TO 44.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 77 TO 83. LOWS
44 TO 50.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 86 TO 92. LOWS
48 TO 54.
TUESDAY
SUNNY. HIGHS 81 TO 86.
=
IDZ030-060400-
SOUTHERN TWIN FALLS COUNTY-
230 PM MDT TUE MAY 5 2026
TONIGHT
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
CHANCE OF RAIN 30 PERCENT. COLDER WITH LOWS 34 TO 39. WINDY.
NORTHWEST WINDS AROUND 25 MPH WITH GUSTS TO 35 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 66 TO 71.
WEDNESDAY NIGHT
INCREASING CLOUDS. LOWS 41 TO 47.
THURSDAY
MOSTLY SUNNY. HIGHS 74 TO 79. WINDY. NORTHWEST WINDS
AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
DECREASING CLOUDS. LOWS 41 TO 47. BREEZY.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 75 TO 80. LOWS
45 TO 50. BREEZY.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 68 TO 73. LOWS 40 TO
45. WINDY.
SUNDAY
SUNNY. HIGHS 76 TO 81.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 55.
HIGHS 86 TO 91.
TUESDAY
SUNNY. HIGHS 81 TO 86. BREEZY.
=
ORZ062-060400-
BAKER COUNTY-
130 PM PDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 38 TO 48. BREEZY. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH THIS EVENING, DECREASING TO
AROUND 10 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 72 TO 77. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 41 TO 51. WEST WINDS 10 TO
15 MPH. GUSTS TO 25 MPH IN THE EVENING.
THURSDAY
SUNNY. HIGHS 71 TO 78. WEST WINDS 10 TO 15 MPH. GUSTS
TO 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 35 TO 46. WEST WINDS
10 TO 15 MPH.
FRIDAY
PARTLY SUNNY. HIGHS 70 TO 78.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO
48. HIGHS 68 TO 75. BREEZY.
SUNDAY
SUNNY. HIGHS 77 TO 83.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO
53. HIGHS 81 TO 89.
TUESDAY
SUNNY. HIGHS 75 TO 82.
TEMPERATURE
BAKER CITY 39 77 41 76
=
ORZ061-060400-
HARNEY COUNTY-
130 PM PDT TUE MAY 5 2026
TONIGHT
MOSTLY CLEAR. LOWS 38 TO 45. BREEZY. NORTH WINDS 10 TO
20 MPH. GUSTS TO 30 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 73 TO 79. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
DECREASING CLOUDS. LOWS 40 TO 48. WEST WINDS
10 TO 15 MPH.
THURSDAY
SUNNY. HIGHS 74 TO 81. BREEZY. WEST WINDS 10 TO
20 MPH.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 36 TO 46. NORTHWEST
WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HIGHS 71 TO 78.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO
46. HIGHS 68 TO 76. BREEZY.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 75 TO 85. LOWS
44 TO 51.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 80 TO 90. LOWS
45 TO 52.
TUESDAY
SUNNY. HIGHS 75 TO 84.
TEMPERATURE
BURNS 39 78 40 79
=
ORZ063-060400-
MALHEUR COUNTY-
230 PM MDT TUE MAY 5 2026 /130 PM PDT TUE MAY 5 2026/
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 49. BREEZY. NORTH WINDS 10 TO
20 MPH. GUSTS TO 30 MPH THIS EVENING.
WEDNESDAY
SUNNY. HIGHS 73 TO 80. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO 53. WEST WINDS 10 TO
15 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 84. BREEZY. WEST WINDS 10 TO
20 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. BREEZY. NORTHWEST
WINDS 10 TO 20 MPH IN THE EVENING, BECOMING WEST UP TO 10 MPH
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 75 TO 83.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO
49. HIGHS 71 TO 78. BREEZY.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 79 TO 87. LOWS
46 TO 53.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 85 TO 93. LOWS
48 TO 55.
TUESDAY
SUNNY. HIGHS 79 TO 88.
=
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