Zone Forecast Product
Issued by NWS Boise, ID

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FPUS55 KBOI 242020
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Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
219 PM MDT Sat May 24 2025

Spot temperatures are for tonight, Sunday, Sunday night, and
Memorial Day.


IDZ011-250400-
West Central Mountains-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 40 to 51.
.SUNDAY...Sunny. Highs 66 to 81.
.SUNDAY NIGHT...Mostly clear. Lows 43 to 53.
.MEMORIAL DAY...Increasing clouds. 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 62 to 76.
.MONDAY NIGHT...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the evening. Chance of rain
30 percent. Lows 40 to 48.
.TUESDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 61 to 76.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 50.
.WEDNESDAY...Partly cloudy. A slight chance of rain showers in
the afternoon. Chance of rain 20 percent. Highs 67 to 82.
.WEDNESDAY 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 54.
.THURSDAY...Sunny in the morning, then partly cloudy with a
chance of rain showers with a slight chance of thunderstorms in
the afternoon. Chance of rain 30 percent. Highs 69 to 84.
.THURSDAY 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 53.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 68 to 83.
.FRIDAY NIGHT...Mostly clear. Lows 46 to 53.
.SATURDAY...Sunny. Highs 72 to 87.

&&
                  TEMPERATURE
McCall          40  75  43  69

$$
=

IDZ013-250400-
Boise Mountains-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 38 to 53.
.SUNDAY...Sunny. Highs 69 to 83.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 55.
.MEMORIAL DAY...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 63 to 78.
.MONDAY NIGHT...Partly cloudy. A slight chance of rain showers
and thunderstorms in the evening. Chance of rain 20 percent. Lows
37 to 51.
.TUESDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 64 to 78.
.TUESDAY NIGHT...Mostly clear. Lows 37 to 52.
.WEDNESDAY...Partly cloudy. A slight chance of rain showers in
the afternoon. Chance of rain 20 percent. Highs 70 to 84.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 40 to 55.
.THURSDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 71 to 86.
.THURSDAY 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 40 to 55.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 72 to 86.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 55.
.SATURDAY...Sunny. Highs 76 to 89.

&&
                  TEMPERATURE
Idaho City      41  82  44  77

$$
=

IDZ028-250400-
Camas Prairie-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 41 to 46. North winds around
10 mph.
.SUNDAY...Sunny. Highs 73 to 78. Light winds in the morning,
becoming south around 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 43 to 48. Light winds in the
evening, becoming northeast around 10 mph after midnight.
.MEMORIAL DAY...Mostly sunny. Highs 72 to 77. Northeast winds
around 10 mph in the morning, shifting to southwest in the
afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 41 to 46. Breezy. Northwest
winds 10 to 20 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 68 to 73. Lows
42 to 47.
.WEDNESDAY...Partly cloudy. A slight chance of rain showers in
the afternoon. Chance of rain 20 percent. Highs 71 to 76.
.WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 51.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
75 to 80.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 45 to
50. Highs 75 to 80.
.SATURDAY...Sunny. Highs 77 to 82.

&&
                  TEMPERATURE
Fairfield       41  76  43  76

$$
=

IDZ033-250400-
Upper Weiser River-
219 PM MDT Sat May 24 2025

.TONIGHT...Clear. Lows 49 to 54. Light winds.
.SUNDAY...Sunny. Highs 80 to 85. Light winds in the morning,
becoming southwest around 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 57. East winds up to
10 mph.
.MEMORIAL DAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 74 to 79. Northwest winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers in
the evening, then mostly clear after midnight. Chance of rain
20 percent. Lows 48 to 53. Northwest winds 10 to 15 mph with
gusts to 25 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 76 to 81. Lows
51 to 56.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 81 to 87.
Lows 55 to 60.
.THURSDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 84 to 89.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
54 to 59.
.FRIDAY THROUGH SATURDAY...Clear. Highs 83 to 92. Lows 54 to 59.

&&
                  TEMPERATURE
Council         49  84  53  79
Cambridge       49  84  53  79

$$
=

IDZ012-ORZ064-250400-
Lower Treasure Valley-Oregon Lower Treasure Valley-
219 PM MDT Sat May 24 2025 /119 PM PDT Sat May 24 2025/

.TONIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph.
.SUNDAY...Sunny. Highs 84 to 89. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 59. East winds up to
10 mph.
.MEMORIAL DAY...Partly sunny. Highs 77 to 82. Northwest winds
10 to 15 mph with gusts to 25 mph.
.MONDAY NIGHT...Decreasing clouds. Lows 50 to 55. Northwest winds
10 to 15 mph with gusts to 30 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 79 to 84. Lows
52 to 57.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 85 to 90.
Lows 56 to 61.
.THURSDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 88 to 93.
.THURSDAY NIGHT...Mostly clear. Lows 56 to 61.
.FRIDAY THROUGH SATURDAY...Clear. Highs 87 to 95. Lows 56 to 61.

&&
                  TEMPERATURE
Caldwell        51  87  54  80
Ontario         51  87  57  80

$$
=

IDZ014-250400-
Upper Treasure Valley-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 46 to 54. Northwest winds 10 to
15 mph this evening, becoming light after midnight.
.SUNDAY...Sunny. Highs 84 to 89. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 52 to 57. East winds around
10 mph.
.MEMORIAL DAY...Mostly sunny. Highs 77 to 82. Breezy. North winds
10 to 20 mph. Gusts to 30 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 53. Breezy. Northwest winds 10 to 20 mph with gusts to
30 mph.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs 78 to 88.
Lows 50 to 59. Breezy.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 87 to 92. Lows
54 to 59.
.FRIDAY...Sunny. Highs 85 to 90.
.FRIDAY NIGHT...Mostly clear. Lows 54 to 59.
.SATURDAY...Sunny. Highs 89 to 94.

&&
                  TEMPERATURE
Boise           54  87  57  79
Mountain Home   46  86  52  80

$$
=

IDZ016-250400-
Western Magic Valley-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 46 to 51. West winds around 10 mph
this evening, shifting to south after midnight.
.SUNDAY...Sunny. Highs 80 to 85. East winds around 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 48 to 54. Northwest winds
around 10 mph in the evening, shifting to southeast after
midnight.
.MEMORIAL DAY...Mostly sunny. Highs 78 to 83. East winds around
10 mph in the morning, shifting to west with gusts to 25 mph in
the afternoon.
.MONDAY NIGHT...Decreasing clouds. Lows 49 to 54. Breezy. West
winds 10 to 20 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 75 to 80. Lows
49 to 54.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 80 to 85.
Lows 52 to 57.
.THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 83 to 89.
Lows 53 to 58.
.SATURDAY...Sunny. Highs 87 to 92.

&&
                  TEMPERATURE
Jerome          48  80  51  78
Twin Falls      50  81  53  79

$$
=

IDZ029-250400-
Owyhee Mountains-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 45 to 55.
.SUNDAY...Sunny. Highs 76 to 81.
.SUNDAY NIGHT...Mostly clear. Lows 48 to 55.
.MEMORIAL DAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
69 to 74.
.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 43 to 51.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 70 to 75. Lows
45 to 53.
.WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy with a
20 percent chance of rain showers. Highs 77 to 85. Lows 51 to 58.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 78 to 83. Lows
50 to 58.
.SATURDAY...Sunny. Highs 82 to 87.

$$
=

IDZ015-250400-
Southwest Highlands-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 43 to 48.
.SUNDAY...Sunny. Highs 76 to 84.
.SUNDAY NIGHT...Mostly clear. Lows 47 to 54.
.MEMORIAL DAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 71 to 77.
.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 50.
.TUESDAY...Mostly sunny. Highs 72 to 77.
.TUESDAY NIGHT...Decreasing clouds. Lows 45 to 51.
.WEDNESDAY...Partly cloudy. A slight chance of rain showers in
the afternoon. Chance of rain 20 percent. Highs 75 to 82.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
in the evening, then mostly clear after midnight. Chance of rain
20 percent. Lows 49 to 55.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance
of showers. Highs 79 to 87. Lows 50 to 56.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 78 to 85. Lows
49 to 56.
.SATURDAY...Sunny. Highs 82 to 89.

$$
=

IDZ030-250400-
Southern Twin  Falls County-
219 PM MDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 43 to 48.
.SUNDAY...Sunny. Highs 78 to 83.
.SUNDAY NIGHT...Mostly clear. Lows 49 to 55.
.MEMORIAL DAY...Sunny in the morning, then partly cloudy with a
chance of rain showers with a slight chance of thunderstorms in
the afternoon. Chance of rain 30 percent. Highs 75 to 80.
.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 47 to 52.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 72 to 77. Lows
47 to 52.
.WEDNESDAY...Partly cloudy. A slight chance of rain showers in
the afternoon. Chance of rain 20 percent. Highs 77 to 82.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 56.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
81 to 86.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
in the evening, then mostly clear after midnight. Chance of rain
20 percent. Lows 51 to 56.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 79 to 89. Lows
51 to 56.

$$
=

ORZ062-250400-
Baker County-
119 PM PDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 43 to 53. Light winds.
.SUNDAY...Sunny. Highs 78 to 87. Southeast winds 10 to 15 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of rain showers with
a slight chance of thunderstorms. Thunderstorms may produce gusty
winds. Chance of rain 40 percent. Lows 47 to 54. Southeast winds
10 to 15 mph in the evening, shifting to northwest after
midnight. Gusts to 25 mph.
.MEMORIAL DAY...Partly cloudy with a slight chance of rain
showers. A slight chance of thunderstorms in the afternoon.
Chance of rain 20 percent. Highs 67 to 77. Breezy. Northwest
winds 10 to 20 mph with gusts to 30 mph.
.MONDAY NIGHT...Decreasing clouds. Lows 40 to 48. Breezy.
Northwest winds 10 to 20 mph with gusts to 35 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 71 to 81. Lows
43 to 52.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 79 to 88.
Lows 49 to 58.
.THURSDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 80 to 89.
.THURSDAY 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 47 to 55.
.FRIDAY THROUGH SATURDAY...Clear. Highs 80 to 90. Lows 48 to 56.

&&
                  TEMPERATURE
Baker City      44  84  48  70

$$
=

ORZ061-250400-
Harney County-
119 PM PDT Sat May 24 2025

.TONIGHT...Mostly clear. Lows 44 to 51. Light winds.
.SUNDAY...Sunny. Highs 77 to 84. Light winds in the morning,
becoming south 10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of rain showers, mainly in the evening.
Thunderstorms may produce gusty winds. Chance of rain 30 percent.
Lows 47 to 53. West winds 10 to 15 mph.
.MEMORIAL DAY...Decreasing clouds. A slight chance of rain
showers. A slight chance of thunderstorms in the afternoon.
Chance of rain 20 percent. Highs 67 to 74. Northwest winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
41 to 46. Northwest winds 10 to 15 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 72 to 78. Lows
44 to 51.
.WEDNESDAY...Sunny. Highs 79 to 84.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers
in the evening. Chance of rain 20 percent. Lows 48 to 56.
.THURSDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 80 to 85.
.THURSDAY NIGHT...Decreasing clouds. Lows 46 to 53.
.FRIDAY...Sunny. Highs 81 to 86.
.FRIDAY NIGHT...Mostly clear. Lows 48 to 55.
.SATURDAY...Sunny. Highs 84 to 89.

&&
                  TEMPERATURE
Burns           45  82  49  71

$$
=

ORZ063-250400-
Malheur County-
219 PM MDT Sat May 24 2025 /119 PM PDT Sat May 24 2025/

.TONIGHT...Mostly clear. Lows 44 to 54. Northeast winds up to
10 mph this evening, becoming light after midnight.
.SUNDAY...Sunny. Highs 80 to 86. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Thunderstorms may produce gusty winds. Chance of
rain 20 percent. Lows 48 to 58. East winds up to 10 mph in the
evening, shifting to southwest after midnight.
.MEMORIAL DAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
72 to 79. Northwest winds 10 to 15 mph with gusts to 25 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 43 to 52. Breezy.
Northwest winds 10 to 20 mph with gusts to 30 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 74 to 81. Lows
46 to 55.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 87.
Lows 50 to 60.
.THURSDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 83 to 90.
.THURSDAY NIGHT...Decreasing clouds. Lows 50 to 59.
.FRIDAY...Sunny. Highs 82 to 89.
.FRIDAY NIGHT...Mostly clear. Lows 50 to 60.
.SATURDAY...Sunny. Highs 85 to 92.

$$
=