829
FPUS55 KBOI 311837
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
1236 PM MDT MON AUG 31 2026
SPOT TEMPERATURES ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND
WEDNESDAY.
IDZ011-010200-
WEST CENTRAL MOUNTAINS-
1236 PM MDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. LOWS 46 TO 56.
TUESDAY
RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN 80 PERCENT. HIGHS 71 TO 83.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN
SHOWERS LIKELY. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN
70 PERCENT. LOWS 43 TO 53.
WEDNESDAY
DECREASING CLOUDS. AREAS OF FOG IN THE MORNING. A
SLIGHT CHANCE OF THUNDERSTORMS. RAIN SHOWERS LIKELY, MAINLY IN
THE MORNING. CHANCE OF RAIN 70 PERCENT. COOLER WITH HIGHS 57 TO
71.
WEDNESDAY NIGHT
RAIN SHOWERS LIKELY, MAINLY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 40 TO
50.
THURSDAY
AREAS OF FOG IN THE MORNING. RAIN SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
90 PERCENT. HIGHS 52 TO 65.
THURSDAY NIGHT
RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT.
CHANCE OF RAIN 70 PERCENT. LOWS 38 TO 48.
FRIDAY
AREAS OF FOG IN THE MORNING. RAIN SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT. HIGHS
56 TO 69.
FRIDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. PATCHY FOG IN THE
EVENING. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 50 PERCENT.
LOWS 39 TO 49.
SATURDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 62 TO 75.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A
40 PERCENT CHANCE OF RAIN SHOWERS. AREAS OF FOG. LOWS 40 TO 50.
HIGHS 63 TO 75.
LABOR DAY
MOSTLY SUNNY. AREAS OF FOG IN THE MORNING. A CHANCE
OF RAIN SHOWERS, MAINLY IN THE MORNING. CHANCE OF RAIN
30 PERCENT. HIGHS 63 TO 76.
TEMPERATURE
MCCALL 47 78 43 65
=
IDZ013-010200-
BOISE MOUNTAINS-
1236 PM MDT MON AUG 31 2026
TONIGHT
PATCHY SMOKE THIS EVENING. MOSTLY CLEAR. LOWS 42 TO
57.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS
74 TO 87. BREEZY.
TUESDAY NIGHT
INCREASING CLOUDS. A CHANCE OF THUNDERSTORMS IN
THE EVENING. RAIN SHOWERS LIKELY. CHANCE OF RAIN 60 PERCENT. LOWS
38 TO 53.
WEDNESDAY
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. CHANCE OF RAIN
50 PERCENT. COOLER WITH HIGHS 60 TO 75.
WEDNESDAY NIGHT
INCREASING CLOUDS. A CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 40 PERCENT. LOWS 36 TO 51.
THURSDAY
PATCHY FOG IN THE MORNING. RAIN SHOWERS LIKELY.
CHANCE OF RAIN 60 PERCENT. HIGHS 56 TO 71.
THURSDAY NIGHT
A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT.
LOWS 33 TO 48.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. AREAS OF FOG IN
THE MORNING. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF RAIN
30 PERCENT. HIGHS 60 TO 75. LOWS 35 TO 50.
SATURDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 65 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. CHANCE OF
RAIN 40 PERCENT. LOWS 36 TO 51.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
RAIN SHOWERS. AREAS OF FOG IN THE MORNING. AREAS OF FOG AFTER
MIDNIGHT. HIGHS 65 TO 79. LOWS 36 TO 51.
LABOR DAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 66 TO 80.
TEMPERATURE
IDAHO CITY 46 86 43 73
=
IDZ028-010200-
CAMAS PRAIRIE-
1236 PM MDT MON AUG 31 2026
TONIGHT
PARTLY CLOUDY. NOT AS COOL WITH LOWS 46 TO 52. EAST
WINDS 10 TO 15 MPH. GUSTS TO 25 MPH AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. HIGHS 78 TO 83. WINDY. EAST WINDS 15 TO 25 MPH WITH
GUSTS TO 35 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY
CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
CHANCE OF RAIN 50 PERCENT. LOWS 41 TO 47. NORTHEAST WINDS AROUND
10 MPH. GUSTS TO 25 MPH IN THE EVENING.
WEDNESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING. CHANCE OF RAIN 20 PERCENT. COOLER WITH HIGHS 67 TO
72. BREEZY. WEST WINDS AROUND 10 MPH IN THE MORNING, BECOMING
SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 39 TO 45. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE EVENING, BECOMING LIGHT
AFTER MIDNIGHT.
THURSDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN 20 PERCENT. HIGHS 66 TO 71.
THURSDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
38 TO 43.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 68 TO 73.
FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 40 TO 45.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 72 TO
77.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 41 TO 46.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
RAIN SHOWERS. HIGHS 70 TO 75. LOWS 40 TO 46.
LABOR DAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS 71 TO 76.
TEMPERATURE
FAIRFIELD 47 80 42 69
=
IDZ033-010200-
UPPER WEISER RIVER-
1236 PM MDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. LOWS 56 TO 62. NORTHEAST WINDS UP
TO 10 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. HIGHS 79 TO 86. SOUTH WINDS UP TO 10 MPH WITH GUSTS
TO 20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF RAIN
50 PERCENT. LOWS 52 TO 58. LIGHT WINDS. GUSTS TO 25 MPH AFTER
MIDNIGHT.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING.
CHANCE OF RAIN 40 PERCENT. NOT AS WARM WITH HIGHS 69 TO 75.
BREEZY. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
WEDNESDAY NIGHT
SHOWERS LIKELY, MAINLY AFTER MIDNIGHT. CHANCE
OF RAIN 70 PERCENT. LOWS 51 TO 56. SOUTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH.
THURSDAY
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
90 PERCENT. HIGHS 63 TO 69.
THURSDAY NIGHT
SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. PATCHY FOG IN THE EVENING, THEN AREAS OF FOG AFTER
MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 46 TO 51.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF SHOWERS. HIGHS 66 TO 71.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT. LOWS 47 TO 53.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. A CHANCE OF
SHOWERS, MAINLY IN THE MORNING. CHANCE OF RAIN 30 PERCENT. HIGHS
70 TO 77.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. CHANCE OF RAIN 40 PERCENT.
LOWS 48 TO 54.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
SHOWERS. PATCHY FOG IN THE MORNING. PATCHY FOG AFTER MIDNIGHT.
HIGHS 71 TO 77. LOWS 49 TO 54.
LABOR DAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. HIGHS 72 TO 78.
TEMPERATURE
COUNCIL 57 85 55 74
CAMBRIDGE 56 85 52 75
=
ORZ064-010200-
OREGON LOWER TREASURE VALLEY-
1236 PM MDT MON AUG 31 2026 /1136 AM PDT MON AUG 31 2026/
TONIGHT
INCREASING CLOUDS. LOWS 54 TO 62. LIGHT WINDS.
TUESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
PATCHY SMOKE IN THE AFTERNOON. HIGHS 83 TO 88. LIGHT WINDS.
TUESDAY NIGHT
INCREASING CLOUDS. PATCHY SMOKE. LOWS 56 TO 62.
LIGHT WINDS IN THE EVENING, BECOMING WEST 10 TO 15 MPH WITH GUSTS
TO 25 MPH AFTER MIDNIGHT.
WEDNESDAY
PATCHY SMOKE IN THE MORNING. MOSTLY SUNNY. HIGHS
74 TO 79. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
INCREASING CLOUDS. SHOWERS LIKELY, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 52 TO 58.
SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE EVENING.
THURSDAY
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
80 PERCENT. HIGHS 68 TO 73.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT.
LOWS 47 TO 52.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. A 30 PERCENT CHANCE OF
SHOWERS. AREAS OF FOG IN THE MORNING. AREAS OF FOG AFTER
MIDNIGHT. HIGHS 69 TO 74. LOWS 47 TO 54.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. AREAS OF FOG IN THE MORNING. AREAS OF FOG AFTER
MIDNIGHT. HIGHS 73 TO 78. LOWS 48 TO 54.
SUNDAY
MOSTLY SUNNY. AREAS OF FOG IN THE MORNING. A CHANCE OF
SHOWERS, MAINLY IN THE MORNING. CHANCE OF RAIN 30 PERCENT. HIGHS
75 TO 80.
SUNDAY NIGHT AND LABOR DAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. AREAS OF FOG THROUGH THE DAY. LOWS 49 TO 55. HIGHS
76 TO 81.
TEMPERATURE
ONTARIO 54 85 56 76
=
IDZ012-010200-
LOWER TREASURE VALLEY-
1236 PM MDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. WARMER WITH LOWS 55 TO 61. LIGHT
WINDS THIS EVENING, BECOMING SOUTHEAST UP TO 10 MPH AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. PATCHY SMOKE IN THE AFTERNOON.
CHANCE OF RAIN 20 PERCENT. HIGHS 83 TO 88. SOUTH WINDS UP TO
10 MPH IN THE MORNING, SHIFTING TO WEST AROUND 10 MPH IN THE
AFTERNOON. GUSTS TO 20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. PATCHY SMOKE. CHANCE OF
RAIN 30 PERCENT. LOWS 55 TO 60. NORTHEAST WINDS UP TO 10 MPH IN
THE EVENING, SHIFTING TO SOUTHWEST WITH GUSTS TO 25 MPH AFTER
MIDNIGHT.
WEDNESDAY
PATCHY SMOKE IN THE MORNING. MOSTLY SUNNY. HIGHS
73 TO 78. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
WEDNESDAY NIGHT
INCREASING CLOUDS. SHOWERS LIKELY AFTER
MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 52 TO 57. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE EVENING, BECOMING
LIGHT AFTER MIDNIGHT.
THURSDAY
PATCHY FOG IN THE MORNING. SHOWERS. CHANCE OF RAIN
80 PERCENT. HIGHS 68 TO 73.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS, MAINLY IN
THE EVENING. PATCHY FOG IN THE EVENING, THEN AREAS OF FOG AFTER
MIDNIGHT. CHANCE OF RAIN 50 PERCENT. LOWS 46 TO 51.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF SHOWERS. HIGHS 69 TO 74.
FRIDAY NIGHT
INCREASING CLOUDS. A 30 PERCENT CHANCE OF
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 47 TO 52.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. AREAS OF FOG IN THE MORNING. CHANCE OF RAIN 20 PERCENT.
HIGHS 73 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. AREAS OF FOG
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 48 TO 53.
SUNDAY THROUGH LABOR DAY
AREAS OF FOG IN THE MORNING. AREAS OF
FOG THROUGH THE DAY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. HIGHS 74 TO 81. LOWS 49 TO 54.
TEMPERATURE
CALDWELL 57 86 57 77
=
IDZ014-010200-
UPPER TREASURE VALLEY-
1236 PM MDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. WARMER WITH LOWS 56 TO 63. BREEZY.
NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH THIS EVENING,
INCREASING TO EAST 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS
85 TO 90. BREEZY. SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO
35 MPH.
TUESDAY NIGHT
PATCHY SMOKE IN THE EVENING. PARTLY CLOUDY IN
THE EVENING, THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 54 TO 60. EAST
WINDS AROUND 10 MPH IN THE EVENING, SHIFTING TO SOUTH AFTER
MIDNIGHT. GUSTS TO 25 MPH.
WEDNESDAY
PARTLY SUNNY. NOT AS WARM WITH HIGHS 75 TO 80. WEST
WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 51 TO 58. BREEZY. WEST
WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE EVENING.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 72 TO 78.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 45 TO 52.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 72 TO 78.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 46 TO 53.
SATURDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS
75 TO 80.
SATURDAY NIGHT THROUGH LABOR DAY
PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. AREAS OF FOG THROUGH THE DAY. AREAS
OF FOG THROUGH THE DAY. LOWS 47 TO 55. HIGHS 76 TO 82.
TEMPERATURE
BOISE 63 87 60 77
MOUNTAIN HOME 59 89 56 79
=
IDZ016-010200-
WESTERN MAGIC VALLEY-
1236 PM MDT MON AUG 31 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS
THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. CHANCE OF RAIN
20 PERCENT. WARMER WITH LOWS 56 TO 61. BREEZY. EAST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. HIGHS 82 TO 87. BREEZY. SOUTHEAST WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 52 TO 57.
SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
WEDNESDAY
MOSTLY SUNNY. NOT AS WARM WITH HIGHS 72 TO 77.
BREEZY. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 50 TO 55. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS TO 30 MPH IN THE EVENING.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 73 TO 78.
LOWS 47 TO 52.
FRIDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT.
HIGHS 73 TO 78.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 48 TO 53.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 75 TO
80.
SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 50 TO 55.
SUNDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 74 TO 79.
SUNDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. CHANCE OF RAIN
20 PERCENT. LOWS 50 TO 55.
LABOR DAY
MOSTLY SUNNY. HIGHS 74 TO 79.
TEMPERATURE
JEROME 59 84 55 73
TWIN FALLS 59 85 55 75
=
IDZ029-010200-
OWYHEE MOUNTAINS-
1236 PM MDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. LOWS 56 TO 61. BREEZY.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. PATCHY SMOKE. HIGHS 78 TO 83.
TUESDAY NIGHT
INCREASING CLOUDS. PATCHY SMOKE. LOWS 48 TO 57.
WINDY. SOUTHWEST WINDS AROUND 25 MPH WITH GUSTS TO 35 MPH AFTER
MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. COOLER WITH HIGHS 67 TO 72. BREEZY.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 47 TO 55. BREEZY.
THURSDAY
DECREASING CLOUDS. A 50 PERCENT CHANCE OF RAIN
SHOWERS. HIGHS 63 TO 69. BREEZY.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN
SHOWERS. PATCHY FOG AFTER MIDNIGHT. LOWS 41 TO 49.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN 40 PERCENT. HIGHS 63 TO 70.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 42 TO 50.
SATURDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 67 TO 74.
SATURDAY NIGHT
INCREASING CLOUDS. A 20 PERCENT CHANCE OF RAIN
SHOWERS. PATCHY FOG AFTER MIDNIGHT. LOWS 43 TO 52.
SUNDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. A CHANCE OF
RAIN SHOWERS, MAINLY IN THE MORNING. CHANCE OF RAIN 30 PERCENT.
HIGHS 69 TO 75.
SUNDAY NIGHT AND LABOR DAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS 45 TO 53. HIGHS 71 TO 77.
=
IDZ015-010200-
SOUTHWEST HIGHLANDS-
1236 PM MDT MON AUG 31 2026
TONIGHT
PARTLY CLOUDY. WARMER WITH LOWS 55 TO 60. BREEZY.
TUESDAY
MOSTLY SUNNY. HIGHS 79 TO 85. BREEZY.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 48 TO 55. WINDY.
SOUTHWEST WINDS AROUND 25 MPH AFTER MIDNIGHT. GUSTS TO 35 MPH.
WEDNESDAY
MOSTLY SUNNY. COOLER WITH HIGHS 68 TO 75. WINDY.
SOUTHWEST WINDS AROUND 25 MPH WITH GUSTS TO 35 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 48 TO 53. WINDY. SOUTHWEST
WINDS AROUND 25 MPH WITH GUSTS TO 35 MPH IN THE EVENING.
THURSDAY
PARTLY SUNNY. HIGHS 70 TO 75. BREEZY.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 43 TO 48. BREEZY.
FRIDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. HIGHS 70 TO 75.
FRIDAY NIGHT
INCREASING CLOUDS. A 30 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 44 TO 49.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS 72 TO 77. LOWS 45 TO 51.
SUNDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
20 PERCENT. HIGHS 72 TO 77.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY
AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 46 TO 51.
LABOR DAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS
73 TO 78.
=
IDZ030-010200-
SOUTHERN TWIN FALLS COUNTY-
1236 PM MDT MON AUG 31 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS
THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. CHANCE OF RAIN
20 PERCENT. LOWS 56 TO 61. WINDY. SOUTH WINDS AROUND 25 MPH AFTER
MIDNIGHT. GUSTS TO 35 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. HIGHS 81 TO 86. WINDY. SOUTH WINDS AROUND 25 MPH IN
THE MORNING. GUSTS TO 35 MPH.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 52 TO 57.
WEDNESDAY
MOSTLY SUNNY. NOT AS WARM WITH HIGHS 72 TO 77.
BREEZY.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 54.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 74 TO 79.
LOWS 46 TO 51.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS
73 TO 78.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 48 TO 53.
SATURDAY
SUNNY. HIGHS 74 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS 49 TO 54.
SUNDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.
HIGHS 73 TO 78.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AND THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN 20 PERCENT. LOWS
49 TO 54.
LABOR DAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HIGHS
73 TO 78.
=
ORZ062-010200-
BAKER COUNTY-
1136 AM PDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. LOWS 45 TO 60. EAST WINDS UP TO
10 MPH. GUSTS TO 20 MPH THIS EVENING.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT. HIGHS 79 TO 86. SOUTHEAST WINDS 10 TO 15 MPH. GUSTS
TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN RAIN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY SMOKE. PATCHY FOG AFTER MIDNIGHT.
CHANCE OF RAIN 60 PERCENT. LOWS 40 TO 54. SOUTH WINDS UP TO
10 MPH IN THE EVENING, SHIFTING TO NORTHWEST AFTER MIDNIGHT.
GUSTS TO 25 MPH.
WEDNESDAY
DECREASING CLOUDS. AREAS OF FOG WITH PATCHY SMOKE IN
THE MORNING. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT. COOLER
WITH HIGHS 66 TO 75. BREEZY. WEST WINDS UP TO 10 MPH IN THE
MORNING, INCREASING TO SOUTH 10 TO 20 MPH WITH GUSTS TO 30 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT
RAIN SHOWERS. PATCHY FOG AFTER MIDNIGHT.
CHANCE OF RAIN 80 PERCENT. LOWS 38 TO 53. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH.
THURSDAY
AREAS OF FOG IN THE MORNING. RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF RAIN 80 PERCENT. HIGHS 61 TO 68.
THURSDAY NIGHT
RAIN SHOWERS LIKELY, MAINLY IN THE EVENING.
AREAS OF FOG. CHANCE OF RAIN 60 PERCENT. LOWS 33 TO 48.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF
RAIN SHOWERS. AREAS OF FOG IN THE MORNING. AREAS OF FOG THROUGH
THE DAY. HIGHS 63 TO 71. LOWS 34 TO 48.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT
CHANCE OF RAIN SHOWERS. AREAS OF FOG IN THE MORNING. AREAS OF
FOG. AREAS OF FOG THROUGH THE DAY. HIGHS 67 TO 77. LOWS 35 TO 50.
LABOR DAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 71 TO 78.
TEMPERATURE
BAKER CITY 45 83 40 72
=
ORZ061-010200-
HARNEY COUNTY-
1136 AM PDT MON AUG 31 2026
TONIGHT
INCREASING CLOUDS. PATCHY SMOKE AFTER MIDNIGHT. LOWS
44 TO 56. EAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS
EVENING, SHIFTING TO SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY
SMOKE. HIGHS 76 TO 84. BREEZY. SOUTHWEST WINDS 10 TO 20 MPH.
GUSTS TO 30 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. PATCHY SMOKE. LOWS 39 TO 49.
BREEZY. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
WEDNESDAY
PARTLY SUNNY. PATCHY FOG IN THE MORNING. A CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT. COOLER
WITH HIGHS 60 TO 70. BREEZY. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS
TO 35 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
RAIN SHOWERS. CHANCE OF RAIN 90 PERCENT. LOWS
37 TO 49. BREEZY. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
35 MPH.
THURSDAY
RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
RAIN 80 PERCENT. HIGHS 57 TO 67. WINDY.
THURSDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. AREAS OF
FOG AFTER MIDNIGHT. CHANCE OF RAIN 50 PERCENT. LOWS 31 TO 43.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
40 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 58 TO 67.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 32 TO 44.
SATURDAY THROUGH SUNDAY
AREAS OF FOG IN THE MORNING. AREAS OF
FOG THROUGH THE DAY. PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
RAIN SHOWERS. HIGHS 63 TO 73. LOWS 33 TO 45.
SUNDAY NIGHT AND LABOR DAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. AREAS OF FOG THROUGH THE DAY. LOWS 34 TO 46.
HIGHS 67 TO 76.
TEMPERATURE
BURNS 44 83 39 69
=
ORZ063-010200-
MALHEUR COUNTY-
1236 PM MDT MON AUG 31 2026 /1136 AM PDT MON AUG 31 2026/
TONIGHT
INCREASING CLOUDS. LOWS 52 TO 61. EAST WINDS 10 TO
15 MPH THIS EVENING, SHIFTING TO SOUTHWEST AFTER MIDNIGHT. GUSTS
TO 25 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY
SMOKE. HIGHS 81 TO 87. BREEZY. SOUTHWEST WINDS UP TO 10 MPH IN
THE MORNING, INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. PATCHY SMOKE. LOWS 47 TO 57.
BREEZY. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 25 MPH IN THE
EVENING, INCREASING TO 35 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. COOLER WITH HIGHS 69 TO 76. WINDY.
SOUTHWEST WINDS 15 TO 25 MPH.
WEDNESDAY NIGHT
INCREASING CLOUDS. RAIN SHOWERS LIKELY, MAINLY
AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT. LOWS 45 TO 55. BREEZY.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
THURSDAY
RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
RAIN 80 PERCENT. HIGHS 65 TO 72. BREEZY.
THURSDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. AREAS OF
FOG AFTER MIDNIGHT. CHANCE OF RAIN 50 PERCENT. LOWS 40 TO 49.
FRIDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 66 TO 72.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. AREAS OF FOG AFTER MIDNIGHT. LOWS 40 TO 50.
SATURDAY
AREAS OF FOG IN THE MORNING. PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS 70 TO 76.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE
OF RAIN SHOWERS. AREAS OF FOG THROUGH THE DAY. LOWS 42 TO 51.
HIGHS 72 TO 78.
SUNDAY NIGHT AND LABOR DAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. AREAS OF FOG THROUGH THE DAY. LOWS 42 TO 52.
HIGHS 74 TO 80.
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