Zone Forecast Product
Issued by NWS Boise, ID

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050
FPUS55 KBOI 200300
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
859 PM MDT Sat Jul 19 2025

Forecast Updated.

Spot temperatures are for the rest of tonight, Sunday, Sunday
night, and Monday.


IDZ011-201000-
West Central Mountains-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Patchy smoke. Lows 49 to 59.
.SUNDAY...Patchy smoke in the morning. Mostly sunny. Highs 69 to
83.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Chance of rain 20 percent. Lows 50 to 60.
.MONDAY...Mostly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 62 to 76.
.MONDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then partly cloudy after midnight. Chance
of rain 20 percent. Lows 46 to 56.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 68 to 82. Lows
47 to 57.
.WEDNESDAY...Sunny. Highs 74 to 88.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 50 to 61.
Highs 76 to 90.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 51 to 61. Highs
76 to 90.

&&
                  TEMPERATURE
McCall          50  77  50  71

$$
=

IDZ013-201000-
Boise Mountains-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Lows 45 to 60.
.SUNDAY...Sunny, haze. Highs 74 to 89.
.SUNDAY NIGHT...Mostly cloudy. Lows 45 to 60.
.MONDAY...Mostly sunny. Highs 69 to 84.
.MONDAY NIGHT...Mostly cloudy. Lows 42 to 57.
.TUESDAY...Mostly sunny. Highs 72 to 87.
.TUESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 45 to 60.
Highs 78 to 93.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 45 to 60. Highs
79 to 94.

&&
                  TEMPERATURE
Idaho City      49  87  50  82

$$
=

IDZ028-201000-
Camas Prairie-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Lows 47 to 53. Northwest winds 10 to
15 mph with gusts to 25 mph this evening, becoming light.
.SUNDAY...Sunny, haze. Patchy smoke in the afternoon. Highs 81 to
86. Breezy. West winds 10 to 20 mph. Gusts to 30 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 47 to 54. Breezy. Northwest
winds 10 to 20 mph with gusts to 30 mph in the evening, becoming
light after midnight.
.MONDAY...Mostly sunny. Highs 79 to 84. Breezy. Light winds in
the morning, becoming southwest 10 to 20 mph with gusts to 30 mph
in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 48 to 53. Breezy. Northwest
winds 10 to 20 mph. Gusts to 30 mph in the evening.
.TUESDAY...Mostly sunny. Highs 78 to 83. Breezy.
.TUESDAY NIGHT...Mostly clear. Lows 46 to 51.
.WEDNESDAY...Sunny. Highs 83 to 88.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 47 to 53.
Highs 85 to 90.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 48 to 53. Highs
85 to 90.

&&
                  TEMPERATURE
Fairfield       48  84  48  82

$$
=

IDZ033-201000-
Upper Weiser River-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Lows 57 to 63. North winds 10 to
15 mph.
.SUNDAY...Mostly sunny. Highs 84 to 89. Southwest winds up to
10 mph.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Chance of rain 20 percent. Lows 61 to 66. North winds
10 to 15 mph.
.MONDAY...Mostly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 77 to 82. North winds around 10 mph in the morning,
becoming light in the afternoon. Gusts to 20 mph.
.MONDAY NIGHT...Decreasing clouds. Lows 55 to 60. Light winds.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 82 to 87. Lows
57 to 63.
.WEDNESDAY...Sunny. Highs 88 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 66.
.THURSDAY...Sunny. Highs 90 to 95.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 62 to 67. Highs
89 to 95.
.FRIDAY NIGHT AND SATURDAY...Increasing clouds. Lows 61 to 66.
Highs 89 to 94.

&&
                  TEMPERATURE
Council         61  88  63  81
Cambridge       57  88  63  81

$$
=

IDZ012-ORZ064-201000-
Lower Treasure Valley-Oregon Lower Treasure Valley-
859 PM MDT Sat Jul 19 2025 /759 PM PDT Sat Jul 19 2025/

.OVERNIGHT...Mostly clear. Lows 61 to 66. Northwest winds 10 to
15 mph with gusts to 25 mph.
.SUNDAY...Mostly sunny. Haze in the afternoon. Highs 88 to 93.
Northwest winds up to 10 mph with gusts to 20 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows 63 to 68. North winds 10 to
15 mph.
.MONDAY...Partly cloudy with a slight chance of showers in the
morning, then mostly cloudy with a chance of showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 81 to 86. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with a slight chance of showers in
the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 57 to 62. Northwest winds 10 to 15 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 86 to 91. Lows
59 to 64.
.WEDNESDAY...Sunny. Highs 91 to 96.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 61 to 66.
Highs 93 to 98.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 62 to 68.
.FRIDAY...Sunny. Highs 93 to 98.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 62 to 67. Highs
92 to 97.

&&
                  TEMPERATURE
Caldwell        62  91  63  86
Ontario         64  92  66  86

$$
=

IDZ014-201000-
Upper Treasure Valley-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Areas of smoke. Lows 59 to 64.
Northwest winds 10 to 15 mph.
.SUNDAY...Sunny. Areas of smoke in the morning. Haze. Highs 90 to
95. Northwest winds 10 to 15 mph with gusts to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 59 to 64. North winds 10 to
15 mph. Gusts to 25 mph in the evening.
.MONDAY...Mostly sunny. Highs 83 to 90. Breezy. Northwest winds
10 to 20 mph with gusts to 30 mph.
.MONDAY NIGHT...Decreasing clouds. Lows 56 to 61. 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.
.TUESDAY...Mostly sunny. Highs 86 to 91.
.TUESDAY NIGHT...Mostly clear. Lows 57 to 62.
.WEDNESDAY...Sunny. Highs 91 to 96.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 58 to 64.
Highs 93 to 98.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 59 to 64.
.FRIDAY...Sunny. Highs 93 to 98.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 58 to 63. Highs
93 to 98.

&&
                  TEMPERATURE
Boise           63  91  63  86
Mountain Home   61  94  60  89

$$
=

IDZ016-201000-
Western Magic Valley-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Lows 57 to 62. West winds up to 10 mph
this evening, shifting to southeast. Gusts to 20 mph.
.SUNDAY...Sunny, haze. Highs 89 to 94. West winds 10 to 15 mph
with gusts to 25 mph.
.SUNDAY NIGHT...Increasing clouds. Lows 58 to 63. Northwest winds
10 to 15 mph with gusts to 25 mph in the evening, shifting to
southeast after midnight.
.MONDAY...Mostly sunny. Highs 85 to 90. West winds 10 to 15 mph
with gusts to 25 mph.
.MONDAY NIGHT...Partly cloudy. Lows 56 to 61. West winds 10 to
15 mph. Gusts to 30 mph in the evening.
.TUESDAY THROUGH FRIDAY...Mostly clear. Highs 85 to 95. Lows
56 to 62.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 57 to 62. Highs
91 to 96.

&&
                  TEMPERATURE
Jerome          60  90  61  86
Twin Falls      61  90  62  87

$$
=

IDZ029-201000-
Owyhee Mountains-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Lows 54 to 62.
.SUNDAY...Sunny, haze. Patchy smoke in the afternoon. Highs 82 to
90.
.SUNDAY NIGHT...Partly cloudy. Lows 54 to 63.
.MONDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 74 to 81.
.MONDAY NIGHT...Mostly cloudy. A slight chance of rain showers in
the evening. Chance of rain 20 percent. Lows 51 to 59.
.TUESDAY...Mostly sunny. Highs 78 to 83.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 53 to 63.
Highs 82 to 89.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 54 to 64.
.FRIDAY...Sunny. Highs 84 to 89.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 53 to 63. Highs
84 to 89.

$$
=

IDZ015-201000-
Southwest Highlands-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Haze this evening. Mostly clear. Lows 55 to 60.
.SUNDAY...Sunny, haze. Highs 89 to 94. Breezy.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 60. Breezy.
.MONDAY...Sunny. Highs 83 to 88. Breezy.
.MONDAY NIGHT...Partly cloudy. Lows 52 to 58. Breezy.
.TUESDAY...Mostly sunny. Highs 83 to 88.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 52 to 61.
Highs 85 to 92.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 54 to 61.
.FRIDAY...Sunny. Highs 87 to 93.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 53 to 61. Highs
88 to 93.

$$
=

IDZ030-201000-
Southern Twin  Falls County-
859 PM MDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Haze. Lows 57 to 62.
.SUNDAY...Sunny. Highs 89 to 94.
.SUNDAY NIGHT...Mostly clear. Lows 58 to 63.
.MONDAY...Mostly sunny. Highs 85 to 90.
.MONDAY NIGHT...Partly cloudy. Lows 54 to 59.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 83 to 93. Lows
55 to 62.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 57 to 62.
.FRIDAY...Sunny. Highs 88 to 93.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 57 to 62. Highs
89 to 94.

$$
=

ORZ062-201000-
Baker County-
759 PM PDT Sat Jul 19 2025

.OVERNIGHT...Increasing clouds. Lows 50 to 61. Northwest winds
10 to 15 mph with gusts to 25 mph.
.SUNDAY...Partly sunny. Highs 79 to 89. Northwest winds up to
10 mph with gusts to 20 mph.
.SUNDAY NIGHT...Mostly cloudy. A chance of rain showers, mainly
after midnight. Chance of rain 30 percent. Lows 52 to 61.
Northwest winds 10 to 15 mph.
.MONDAY...Decreasing clouds. A chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
50 percent. Highs 72 to 82. Northwest winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers and thunderstorms in the evening, then mostly clear after
midnight. Chance of rain 20 percent. Lows 46 to 57. Northwest
winds up to 10 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 77 to 87. Lows
47 to 59.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 95. Lows
50 to 62.
.THURSDAY NIGHT...Partly cloudy. Lows 52 to 63.
.FRIDAY...Sunny. Highs 85 to 95.
.FRIDAY NIGHT...Partly cloudy. Lows 51 to 62.
.SATURDAY...Sunny. Highs 84 to 94.

&&
                  TEMPERATURE
Baker City      50  82  52  76

$$
=

ORZ061-201000-
Harney County-
759 PM PDT Sat Jul 19 2025

.OVERNIGHT...Mostly clear. Lows 47 to 56. Northwest winds 10 to
15 mph with gusts to 25 mph.
.SUNDAY...Mostly sunny. Haze. Patchy smoke in the afternoon.
Highs 79 to 89. West winds 10 to 15 mph. Gusts to 25 mph in the
afternoon.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Chance of rain 20 percent. Lows 52 to 58. Northwest
winds 10 to 15 mph with gusts to 25 mph.
.MONDAY...Mostly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 40 percent.
Highs 71 to 81. West winds up to 10 mph. Gusts to 20 mph in the
afternoon.
.MONDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then partly cloudy after midnight. Chance
of rain 20 percent. Lows 45 to 53. Northwest winds 10 to 15 mph.
.TUESDAY...Sunny. Highs 75 to 85.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 48 to 56.
.WEDNESDAY...Sunny. Highs 79 to 89.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 58.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Chance of rain 20 percent. Highs 81 to
91. Lows 50 to 57.
.FRIDAY...Sunny. Highs 79 to 89.
.FRIDAY NIGHT...Partly cloudy. Lows 48 to 55.
.SATURDAY...Sunny. Highs 79 to 89.

&&
                  TEMPERATURE
Burns           47  85  52  79

$$
=

ORZ063-201000-
Malheur County-
859 PM MDT Sat Jul 19 2025 /759 PM PDT Sat Jul 19 2025/

.OVERNIGHT...Mostly clear. Lows 54 to 64. Northwest winds 10 to
15 mph with gusts to 25 mph.
.SUNDAY...Sunny, haze. Patchy smoke in the afternoon. Highs 86 to
94. West winds 10 to 15 mph. Gusts to 25 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Chance of rain 20 percent. Lows 56 to 66. Northwest
winds 10 to 15 mph with gusts to 25 mph.
.MONDAY...Increasing clouds. A chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 40 percent.
Highs 77 to 84. West winds 10 to 15 mph.
.MONDAY NIGHT...Mostly cloudy with a slight chance of showers in
the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 50 to 60. Northwest winds 10 to 15 mph. Gusts to
25 mph in the evening.
.TUESDAY...Mostly sunny. Highs 82 to 89.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 53 to 63.
Highs 86 to 96.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers
in the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 54 to 64.
.FRIDAY...Sunny. Highs 88 to 95.
.FRIDAY NIGHT...Partly cloudy. Lows 53 to 63.
.SATURDAY...Sunny. Highs 88 to 94.

$$
=