Zone Forecast Product
Issued by NWS Boise, ID

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FPUS55 KBOI 312108
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 PM MDT Thu Jul 31 2025

Spot temperatures are for tonight, Friday, Friday night, and
Saturday.


IDZ011-010500-
West Central Mountains-
307 PM MDT Thu Jul 31 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM MDT THIS EVENING...

.TONIGHT...Mostly cloudy with scattered rain showers. Scattered
thunderstorms. Thunderstorms may produce heavy rainfall and
damaging winds this evening. Thunderstorms may produce gusty
winds after midnight. Chance of rain 50 percent. Lows 49 to 59.
.FRIDAY...Increasing clouds. A slight chance of thunderstorms.
Rain showers likely, mainly in the afternoon. Thunderstorms may
produce gusty winds. Chance of rain 60 percent. Highs 68 to 82.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then mostly
clear after midnight. Thunderstorms may produce gusty winds in
the evening. Chance of rain 30 percent. Lows 49 to 59.
.SATURDAY...Partly cloudy. A slight chance of rain showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 72 to
86.
.SATURDAY NIGHT...Decreasing clouds. Lows 49 to 59.
.SUNDAY...Sunny. Highs 72 to 87.
.SUNDAY NIGHT...Increasing clouds. A 30 percent chance of rain
showers. Lows 47 to 57.
.MONDAY...Partly cloudy with a chance of rain showers. A chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 64 to 78.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then partly
cloudy after midnight. Chance of rain 30 percent. Lows 44 to 54.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 66 to 81. Lows
47 to 57.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 85. Lows
48 to 58.

&&
                  TEMPERATURE
McCall          51  76  49  80

$$
=

IDZ013-010500-
Boise Mountains-
307 PM MDT Thu Jul 31 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM MDT THIS EVENING...

.TONIGHT...Numerous rain showers and scattered thunderstorms this
evening, then partly cloudy with isolated rain showers and
thunderstorms after midnight. Thunderstorms may produce heavy
rainfall and damaging winds this evening, then thunderstorms may
produce gusty winds after midnight. Chance of rain 60 percent.
Lows 43 to 58.
.FRIDAY...Partly cloudy with a slight chance of thunderstorms. A
chance of rain showers, mainly in the afternoon. Thunderstorms
may produce gusty winds. Chance of rain 30 percent. Highs 72 to
87.
.FRIDAY NIGHT...Mostly clear. Lows 44 to 59.
.SATURDAY...Partly cloudy. A slight chance of rain showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 75 to
90.
.SATURDAY NIGHT...Mostly clear. Lows 43 to 58.
.SUNDAY...Sunny. Highs 76 to 91.
.SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 42 to 57.
.MONDAY...Partly cloudy. A slight chance of rain showers in the
morning, then a chance of rain showers with a slight chance of
thunderstorms in the afternoon. Chance of rain 30 percent. Highs
68 to 82.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
39 to 54.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 74 to 89. Lows
43 to 58.

&&
                  TEMPERATURE
Idaho City      47  86  49  88

$$
=

IDZ028-010500-
Camas Prairie-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Mostly cloudy with scattered showers and thunderstorms
this evening, then partly cloudy after midnight. Thunderstorms
may produce damaging winds this evening. Chance of rain
30 percent. Lows 45 to 52. West winds 10 to 15 mph with gusts to
25 mph this evening, becoming light after midnight.
.FRIDAY...Mostly sunny. Highs 79 to 84. Southwest winds 10 to
15 mph. Gusts to 30 mph in the afternoon.
.FRIDAY NIGHT...Increasing clouds. Lows 46 to 52. West winds
10 to 15 mph. Gusts to 30 mph in the evening.
.SATURDAY...Mostly sunny. Highs 81 to 86. West winds 10 to
15 mph. Gusts to 25 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 43 to 50. West winds 10 to
15 mph. Gusts to 25 mph in the evening.
.SUNDAY...Sunny. Highs 81 to 86.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 44 to 52. Highs
76 to 81. Breezy.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 42 to 52.
Highs 78 to 88. Breezy.

&&
                  TEMPERATURE
Fairfield       46  82  47  83

$$
=

IDZ033-010500-
Upper Weiser River-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Mostly cloudy. Scattered showers and thunderstorms,
mainly this evening. Thunderstorms may produce heavy rainfall and
damaging winds this evening, then thunderstorms may produce gusty
winds after midnight. Chance of rain 50 percent. Lows 60 to 65.
East winds up to 10 mph with gusts to 20 mph.
.FRIDAY...Partly cloudy with a chance of showers with a slight
chance of thunderstorms. Thunderstorms may produce gusty winds.
Chance of rain 30 percent. Highs 83 to 88. South winds up to
10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly clear after midnight.
Thunderstorms may produce gusty winds in the evening. Chance of
rain 20 percent. Lows 60 to 65. North winds up to 10 mph.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 86 to
91. North winds up to 10 mph with gusts to 20 mph.
.SATURDAY NIGHT...Decreasing clouds. Lows 59 to 64. North winds
up to 10 mph with gusts to 20 mph.
.SUNDAY...Sunny. Highs 86 to 92.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers, mainly in the
evening. Chance of rain 30 percent. Lows 58 to 63.
.MONDAY...Partly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 78 to 83.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly clear after midnight.
Chance of rain 20 percent. Lows 54 to 60.
.TUESDAY...Sunny. Highs 80 to 85.
.TUESDAY NIGHT...Increasing clouds. Lows 57 to 62.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 84 to 91. Lows
59 to 64.

&&
                  TEMPERATURE
Council         62  87  62  90
Cambridge       60  87  60  90

$$
=

IDZ012-ORZ064-010500-
Lower Treasure Valley-Oregon Lower Treasure Valley-
307 PM MDT Thu Jul 31 2025 /207 PM PDT Thu Jul 31 2025/

.TONIGHT...Mostly cloudy with scattered showers and thunderstorms
this evening, then partly cloudy with isolated showers and
thunderstorms after midnight. Thunderstorms may produce damaging
winds this evening, then thunderstorms may produce gusty winds
after midnight. Chance of rain 40 percent. Lows 62 to 67. West
winds 10 to 15 mph.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 87 to
92. West winds up to 10 mph with gusts to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows 62 to 67. Northwest winds up
to 10 mph with gusts to 20 mph.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 89 to
94. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of rain 20 percent. Lows 60 to 66. Northwest winds 10 to
15 mph.
.SUNDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 90 to 95.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. A 30 percent chance of
showers. Lows 60 to 65. Highs 81 to 86.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers in
the evening, then mostly clear after midnight. Chance of rain
20 percent. Lows 57 to 62.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 95. Lows
58 to 65.

&&
                  TEMPERATURE
Caldwell        63  91  62  92
Ontario         64  91  64  93

$$
=

IDZ014-010500-
Upper Treasure Valley-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Mostly cloudy with scattered showers and thunderstorms
this evening, then partly cloudy after midnight. Thunderstorms
may produce damaging winds this evening. Chance of rain
30 percent. Lows 58 to 64. West winds 10 to 15 mph. Gusts to
25 mph this evening.
.FRIDAY...Sunny. Highs 88 to 93. West winds 10 to 15 mph. Gusts
to 25 mph in the afternoon.
.FRIDAY NIGHT...Increasing clouds. Lows 60 to 65. Northwest winds
10 to 15 mph. Gusts to 25 mph in the evening.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 88 to
93. Northwest winds 10 to 15 mph with gusts to 25 mph.
.SATURDAY NIGHT...Decreasing clouds. Lows 57 to 63. Northwest
winds 10 to 15 mph. Gusts to 25 mph in the evening.
.SUNDAY...Sunny. Highs 90 to 95.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. A 20 percent chance of
showers. Lows 57 to 62. Highs 82 to 88.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 53 to 63.
Highs 85 to 95.

&&
                  TEMPERATURE
Boise           64  90  64  91
Mountain Home   61  92  62  92

$$
=

IDZ016-010500-
Western Magic Valley-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Partly cloudy with isolated showers and thunderstorms
this evening, then mostly clear after midnight. Thunderstorms may
produce damaging winds this evening. Chance of rain 20 percent.
Lows 56 to 61. Southwest winds 10 to 15 mph.
.FRIDAY...Sunny. Highs 85 to 90. West winds 10 to 15 mph. Gusts
to 25 mph in the afternoon.
.FRIDAY NIGHT...Increasing clouds. Lows 58 to 63. Southwest winds
10 to 15 mph. Gusts to 25 mph in the evening.
.SATURDAY...Mostly sunny. Highs 85 to 90. West winds 10 to
15 mph.
.SATURDAY NIGHT...Mostly clear. Lows 55 to 60. Southwest winds
10 to 15 mph. Gusts to 25 mph in the evening.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 87 to 92. Lows
56 to 61.
.MONDAY...Mostly sunny. Highs 81 to 86.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 53 to 61.
Highs 83 to 93.

&&
                  TEMPERATURE
Jerome          58  85  60  86
Twin Falls      60  87  62  86

$$
=

IDZ029-010500-
Owyhee Mountains-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Mostly cloudy. Scattered showers and thunderstorms
this evening. Thunderstorms may produce damaging winds this
evening. Chance of rain 50 percent. Lows 53 to 63.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 80 to
85.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Thunderstorms may produce gusty
winds in the evening. Chance of rain 20 percent. Lows 55 to 64.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 80 to 85.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of rain 20 percent. Lows 53 to 63.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
82 to 87.
.SUNDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Chance of rain 30 percent. Lows 52 to 61.
.MONDAY...Partly cloudy with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 73 to 78.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 57.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 78 to 88. Lows
52 to 62.

$$
=

IDZ015-010500-
Southwest Highlands-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Mostly cloudy with scattered showers and thunderstorms
this evening, then partly cloudy after midnight. Thunderstorms
may produce damaging winds this evening. Chance of rain
30 percent. Lows 52 to 59.
.FRIDAY...Sunny. Highs 84 to 89.
.FRIDAY NIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Thunderstorms may produce
gusty winds in the evening. Chance of rain 30 percent. Lows 56 to
62.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 82 to 87.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 53 to 58.
.SUNDAY...Sunny. Highs 86 to 91.
.SUNDAY NIGHT...Partly cloudy. Lows 52 to 58.
.MONDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 78 to 83.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 50 to 60.
Highs 83 to 93.

$$
=

IDZ030-010500-
Southern Twin  Falls County-
307 PM MDT Thu Jul 31 2025

.TONIGHT...Partly cloudy with isolated showers and thunderstorms
this evening, then mostly clear after midnight. Thunderstorms may
produce damaging winds this evening. Chance of rain 20 percent.
Lows 54 to 59.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 84 to
89.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Thunderstorms may produce gusty
winds in the evening. Chance of rain 20 percent. Lows 57 to 62.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 82 to 87.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 54 to 59.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 86 to 91. Lows
54 to 59.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 80 to 88.
Lows 51 to 59.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 86 to 93. Lows
55 to 61.

$$
=

ORZ062-010500-
Baker County-
207 PM PDT Thu Jul 31 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL 9 PM PDT THIS EVENING...

.TONIGHT...Numerous showers and scattered thunderstorms this
evening, then scattered showers and thunderstorms after midnight.
Thunderstorms may produce heavy rainfall and gusty winds this
evening, then thunderstorms may produce gusty winds after
midnight. Chance of rain 60 percent. Lows 55 to 65. West winds
10 to 15 mph. Gusts to 25 mph this evening.
.FRIDAY...Increasing clouds. A slight chance of thunderstorms.
Rain showers likely, mainly in the afternoon. Thunderstorms may
produce gusty winds. Chance of rain 60 percent. Highs 78 to 88.
West winds up to 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers and thunderstorms in the evening, then mostly clear after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of rain 20 percent. Lows 51 to 62. Northwest winds up to
10 mph with gusts to 20 mph.
.SATURDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 82 to 92. West winds up to 10 mph with gusts to 20 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers and thunderstorms in the evening, then mostly clear after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of rain 20 percent. Lows 50 to 61. Northwest winds up to
10 mph with gusts to 20 mph.
.SUNDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 81 to 91.
.SUNDAY NIGHT...Rain showers likely with a slight chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Chance of rain 60 percent. Lows 50 to 60.
.MONDAY...Partly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
40 percent. Highs 71 to 81.
.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 56.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 90. Lows
48 to 60.

&&
                  TEMPERATURE
Baker City      55  82  51  86

$$
=

ORZ061-010500-
Harney County-
207 PM PDT Thu Jul 31 2025

.TONIGHT...Numerous showers and scattered thunderstorms this
evening, then isolated showers and thunderstorms after midnight.
Thunderstorms may produce gusty winds. Chance of rain 70 percent.
Lows 50 to 57. Breezy. West winds 10 to 20 mph. Gusts to 30 mph
this evening.
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Thunderstorms may produce gusty winds. Chance of
rain 20 percent. Highs 76 to 86. West winds up to 10 mph.
.FRIDAY NIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Thunderstorms may produce
gusty winds in the evening. Chance of rain 30 percent. Lows 50 to
58. Northwest winds up to 10 mph with gusts to 20 mph.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the afternoon. Chance of rain 20 percent. Highs 77 to
87. Northwest winds up to 10 mph.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of showers.
Thunderstorms may produce gusty winds in the evening. Chance of
rain 20 percent. Lows 49 to 57. Northwest winds up to 10 mph with
gusts to 20 mph.
.SUNDAY...Partly cloudy with a slight chance of showers in the
morning, then partly cloudy with a chance of showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
40 percent. Highs 76 to 86.
.SUNDAY NIGHT...Rain showers likely with a slight chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Chance of rain 60 percent. Lows 47 to 53.
.MONDAY...Partly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 68 to 78.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
44 to 51.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 76 to 86. Lows
46 to 54.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 48 to 56.
.THURSDAY...Sunny. Highs 80 to 90.

&&
                  TEMPERATURE
Burns           50  85  50  86

$$
=

ORZ063-010500-
Malheur County-
307 PM MDT Thu Jul 31 2025 /207 PM PDT Thu Jul 31 2025/

.TONIGHT...Scattered thunderstorms. Numerous showers, mainly this
evening. Thunderstorms may produce gusty winds. Chance of rain
60 percent. Lows 52 to 62. West winds 10 to 15 mph with gusts to
25 mph.
.FRIDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Thunderstorms may produce gusty winds. Chance of
rain 20 percent. Highs 83 to 90. West winds up to 10 mph with
gusts to 20 mph.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Thunderstorms may produce gusty
winds in the evening. Chance of rain 20 percent. Lows 54 to 64.
North winds 10 to 15 mph.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Thunderstorms may
produce gusty winds in the afternoon. Chance of rain 30 percent.
Highs 85 to 92. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of rain 20 percent. Lows 53 to 63. Northwest winds 10 to
15 mph. Gusts to 25 mph in the evening.
.SUNDAY...Partly cloudy. A chance of showers in the afternoon.
Chance of rain 30 percent. Highs 85 to 92.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers in the
evening, then partly cloudy with a slight chance of showers after
midnight. Chance of rain 50 percent. Lows 52 to 62.
.MONDAY...Partly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 76 to 83.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 58.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 83 to 93. Lows
52 to 62.

$$
=