Zone Forecast Product
Issued by NWS Boise, ID

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FPUS55 KBOI 102031
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 PM MDT Sun May 10 2026

Spot temperatures are for tonight, Monday, Monday night, and
Tuesday.


IDZ011-110400-
West Central Mountains-
230 PM MDT Sun May 10 2026

.TONIGHT...Decreasing clouds. Lows 41 to 50.
.MONDAY...Sunny. Highs 64 to 78.
.MONDAY NIGHT...Mostly clear. Lows 39 to 50.
.TUESDAY...Sunny. Highs 73 to 87.
.TUESDAY NIGHT...Partly cloudy. Lows 47 to 58.
.WEDNESDAY...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 73 to 86.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. A
chance of thunderstorms, mainly in the evening. Chance of rain
50 percent. Lows 43 to 54.
.THURSDAY...A chance of rain showers with a slight chance of
thunderstorms in the morning, then rain showers likely with a
chance of thunderstorms in the afternoon. Chance of rain
60 percent. Cooler with highs 62 to 76.
.THURSDAY NIGHT...Decreasing clouds. A 30 percent chance of rain
showers. Lows 39 to 49.
.FRIDAY...A chance of snow showers in the morning. Partly cloudy
with a chance of rain showers. Chance of precipitation
30 percent. Highs 56 to 70.
.FRIDAY NIGHT...Partly cloudy. A slight chance of rain showers in
the evening. Chance of rain 20 percent. Lows 34 to 44.
.SATURDAY...Partly cloudy with a slight chance of rain and snow
showers. Chance of precipitation 20 percent. Highs 50 to 63.
.SATURDAY NIGHT...Partly cloudy. A slight chance of snow showers
in the evening. Chance of snow 20 percent. Lows 30 to 40.
.SUNDAY...Mostly sunny. Highs 52 to 65.

&&
                  TEMPERATURE
McCall          42  73  39  83

$$
=

IDZ013-110400-
Boise Mountains-
230 PM MDT Sun May 10 2026

.TONIGHT...Partly cloudy. Lows 37 to 52.
.MONDAY...Sunny. Highs 68 to 83.
.MONDAY NIGHT...Decreasing clouds. Lows 38 to 53.
.TUESDAY...Sunny. Highs 77 to 91.
.TUESDAY NIGHT...Partly cloudy. Lows 44 to 59.
.WEDNESDAY...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 77 to 91.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers
with a slight chance of thunderstorms. Chance of rain 40 percent.
Lows 40 to 55.
.THURSDAY...Partly cloudy with a chance of rain showers. A chance
of thunderstorms in the afternoon. Chance of rain 40 percent. Not
as warm with highs 66 to 80.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 30 percent chance
of rain showers. Lows 35 to 50. Highs 59 to 74.
.FRIDAY NIGHT...Mostly clear. Lows 30 to 45.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 55 to 69. Lows
26 to 41.

&&
                  TEMPERATURE
Idaho City      43  82  41  91

$$
=

IDZ028-110400-
Camas Prairie-
230 PM MDT Sun May 10 2026

.TONIGHT...Partly cloudy this evening, then clearing. Lows 43 to
48. East winds around 10 mph.
.MONDAY...Sunny. Highs 76 to 81. Breezy. West winds 10 to 20 mph.
Gusts to 35 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
37 to 44. West winds 10 to 15 mph. Gusts to 30 mph in the
evening.
.TUESDAY...Sunny. Highs 82 to 87. Light winds in the morning,
becoming southeast around 10 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 47 to 53. Southeast winds
around 10 mph in the evening, shifting to northeast after
midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 83 to 88.
Lows 43 to 48. Windy.
.THURSDAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Not as warm with highs 72 to 77. Windy.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 34 to
43. Highs 66 to 71. Windy.
.SATURDAY...Mostly sunny. Highs 62 to 67. Windy.
.SATURDAY NIGHT...Mostly clear. Lows 30 to 35. Windy.
.SUNDAY...Mostly sunny. Highs 63 to 68. Breezy.

&&
                  TEMPERATURE
Fairfield       44  79  37  85

$$
=

IDZ033-110400-
Upper Weiser River-
230 PM MDT Sun May 10 2026

.TONIGHT...Decreasing clouds. Lows 50 to 55. Northwest winds
10 to 15 mph with gusts to 25 mph.
.MONDAY...Sunny. Highs 76 to 82. Northwest winds 10 to 15 mph in
the morning, becoming light in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 48 to 54. North winds up to
10 mph.
.TUESDAY...Sunny. Highs 85 to 90. North winds up to 10 mph in the
morning, becoming light in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 61. North winds up to
10 mph.
.WEDNESDAY...Mostly sunny. Highs 84 to 90.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. A
chance of thunderstorms, mainly in the evening. Chance of rain
40 percent. Lows 52 to 57. Breezy.
.THURSDAY...Partly cloudy with a chance of showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 75 to 81.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A 20 percent chance
of showers. Lows 47 to 52. Highs 68 to 74.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then partly cloudy after midnight. Chance
of rain 20 percent. Lows 41 to 46.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 63 to 69. Lows
37 to 42.

&&
                  TEMPERATURE
Council         50  81  49  90
Cambridge       52  82  49  90

$$
=

ORZ064-110400-
Oregon Lower Treasure Valley-
230 PM MDT Sun May 10 2026 /130 PM PDT Sun May 10 2026/

.TONIGHT...Partly cloudy. Lows 53 to 58. Windy. North winds 15 to
25 mph.
.MONDAY...Sunny. Highs 82 to 87. North winds 10 to 15 mph. Gusts
to 25 mph in the morning.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55. North winds up to
10 mph.
.TUESDAY...Sunny. Highs 89 to 94. Light winds in the morning,
becoming east up to 10 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 58 to 63. Northeast winds up
to 10 mph in the evening, becoming light after midnight.
.WEDNESDAY...Mostly sunny. Highs 87 to 92.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of showers. Chance of rain
40 percent. Lows 54 to 59. Windy.
.THURSDAY...Partly cloudy with a 30 percent chance of showers.
Highs 79 to 84. Breezy.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows 49 to 54. Windy.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Chance of rain 20 percent. Highs 72 to 77. Windy.
.FRIDAY NIGHT...Increasing clouds. Lows 44 to 49. Breezy.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 68 to 73. Lows
40 to 45.

&&
                  TEMPERATURE
Ontario         56  85  51  93

$$
=

IDZ012-110400-
Lower Treasure Valley-
230 PM MDT Sun May 10 2026

.TONIGHT...Decreasing clouds. Lows 52 to 57. East winds 10 to
15 mph this evening, shifting to northwest after midnight. Gusts
to 25 mph.
.MONDAY...Sunny. Highs 81 to 86. Northwest winds 10 to 15 mph
with gusts to 25 mph.
.MONDAY NIGHT...Partly cloudy. Lows 49 to 54. North winds up to
10 mph with gusts to 20 mph.
.TUESDAY...Sunny. Highs 90 to 95. Light winds in the morning,
becoming east up to 10 mph with gusts to 20 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 58 to 63. North winds up to
10 mph in the evening, becoming light after midnight.
.WEDNESDAY...Mostly sunny. Highs 88 to 93.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of showers. Chance of rain
40 percent. Lows 53 to 58. Windy.
.THURSDAY...Partly cloudy with a chance of showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 79 to 84. Breezy.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows 48 to 53. Windy.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Chance of rain 20 percent. Highs 73 to 78. Breezy.
.FRIDAY NIGHT...Increasing clouds. Lows 44 to 49. Breezy.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 68 to 73. Lows
39 to 44. Breezy.

&&
                  TEMPERATURE
Caldwell        54  84  51  94

$$
=

IDZ014-110400-
Upper Treasure Valley-
230 PM MDT Sun May 10 2026

.TONIGHT...Partly cloudy. Lows 50 to 55. East winds 10 to 15 mph
this evening, shifting to northwest after midnight. Gusts to
30 mph.
.MONDAY...Sunny. Highs 83 to 88. Northwest winds 10 to 15 mph
with gusts to 30 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 53. Northwest winds 10 to 15 mph. Gusts to 25 mph in the
evening.
.TUESDAY...Sunny. Highs 93 to 98. East winds up to 10 mph with
gusts to 20 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 61. East winds 10 to
15 mph. Gusts to 25 mph in the evening.
.WEDNESDAY...Mostly sunny. Highs 91 to 96.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A chance of
showers with a slight chance of thunderstorms. Chance of rain
30 percent. Not as warm. Lows 50 to 57. Highs 80 to 85. Windy.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Chance of rain 20 percent. Lows 46 to 52. Windy.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 70 to 79. Lows
42 to 48. Windy.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 38 to 44. Highs
70 to 75. Breezy.

&&
                  TEMPERATURE
Boise           53  84  53  95
Mountain Home   51  86  48  96

$$
=

IDZ016-110400-
Western Magic Valley-
230 PM MDT Sun May 10 2026

.TONIGHT...Decreasing clouds. Lows 48 to 55. East winds 10 to
15 mph with gusts to 25 mph.
.MONDAY...Sunny. Highs 82 to 87. West winds 10 to 15 mph with
gusts to 30 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
47 to 54. Southwest winds 10 to 15 mph. Gusts to 25 mph in the
evening.
.TUESDAY...Sunny. Highs 89 to 94. East winds 10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 55 to 60. East winds 10 to
15 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 89 to 94.
Lows 49 to 54. Windy.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Not as warm. Highs
77 to 82. Lows 45 to 50. Windy.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 67 to 77. Lows 37 to
46. Windy.

&&
                  TEMPERATURE
Jerome          51  83  51  90
Twin Falls      55  83  54  91

$$
=

IDZ029-110400-
Owyhee Mountains-
230 PM MDT Sun May 10 2026

.TONIGHT...Increasing clouds. Lows 47 to 55.
.MONDAY...Sunny. Highs 74 to 82.
.MONDAY NIGHT...Partly cloudy. Lows 47 to 56.
.TUESDAY...Sunny. Highs 83 to 90.
.TUESDAY NIGHT...Partly cloudy. Lows 54 to 63.
.WEDNESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
80 to 86.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of rain showers. Chance of
rain 30 percent. Lows 46 to 56. Windy.
.THURSDAY...Partly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
40 percent. Highs 71 to 76. Breezy.
.THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers
in the evening. Chance of rain 20 percent. Lows 42 to 51. Windy.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 62 to 71. Lows
39 to 47. Windy.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 35 to 43. Highs
61 to 67. Breezy.

$$
=

IDZ015-110400-
Southwest Highlands-
230 PM MDT Sun May 10 2026

.TONIGHT...Decreasing clouds. Lows 45 to 52.
.MONDAY...Mostly sunny. Highs 81 to 86.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
45 to 51.
.TUESDAY...Sunny. Highs 86 to 94.
.TUESDAY 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 51 to 58.
.WEDNESDAY...Mostly sunny. Highs 83 to 91. Breezy.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a chance of rain showers. Chance of
rain 30 percent. Lows 44 to 52. Windy.
.THURSDAY...Partly cloudy with a chance of rain showers. A chance
of thunderstorms in the afternoon. Chance of rain 30 percent. Not
as warm with highs 72 to 80. Breezy.
.THURSDAY NIGHT...Decreasing clouds. Lows 41 to 47. Windy.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 65 to 74. Lows
39 to 44. Windy.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 35 to 40. Highs
65 to 70. Breezy.

$$
=

IDZ030-110400-
Southern Twin  Falls County-
230 PM MDT Sun May 10 2026

.TONIGHT...Partly cloudy. Lows 48 to 53. Breezy.
.MONDAY...Mostly sunny. Highs 81 to 86.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
48 to 54.
.TUESDAY...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 88 to
93.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 54 to 60.
.WEDNESDAY...Mostly sunny. Highs 85 to 90. Breezy.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 49 to 54. Windy.
.THURSDAY...Partly cloudy. A slight chance of rain showers in the
morning, then a chance of rain showers and thunderstorms in the
afternoon. Chance of rain 30 percent. Not as warm with highs
75 to 80. Windy.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 41 to 49.
Highs 66 to 74. Windy.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 36 to 41. Highs
65 to 70. Breezy.

$$
=

ORZ062-110400-
Baker County-
130 PM PDT Sun May 10 2026

.TONIGHT...Decreasing clouds. Lows 41 to 51. Breezy. Northwest
winds 10 to 20 mph with gusts to 35 mph.
.MONDAY...Sunny. Highs 73 to 81. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Increasing clouds. Lows 40 to 51. North winds
around 10 mph in the evening, becoming light after midnight.
.TUESDAY...Sunny, warmer with highs 83 to 90. Light winds in the
morning, becoming southeast 10 to 15 mph with gusts to 30 mph in
the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 51 to 61. Southeast winds
10 to 15 mph with gusts to 25 mph in the evening, becoming light
after midnight.
.WEDNESDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 80 to 88.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of rain showers. Chance of
rain 40 percent. Lows 46 to 56. Windy.
.THURSDAY...Partly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 72 to 80. Breezy.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers in
the evening, then partly cloudy with a slight chance of rain
showers after midnight. Chance of rain 30 percent. Lows 40 to 50.
Windy.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of
rain showers. Highs 65 to 72. Lows 35 to 45. Breezy.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 59 to 69. Lows
32 to 41.

&&
                  TEMPERATURE
Baker City      41  76  40  88

$$
=

ORZ061-110400-
Harney County-
130 PM PDT Sun May 10 2026

.TONIGHT...Partly cloudy. Lows 39 to 48. Breezy. Northwest winds
10 to 20 mph with gusts to 30 mph.
.MONDAY...Sunny. Highs 77 to 85. West winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 43 to 52. Northeast winds
10 to 15 mph.
.TUESDAY...Sunny. Highs 84 to 91. Southeast winds 10 to 15 mph.
Gusts to 30 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 49 to 57. Breezy. Southwest
winds 10 to 20 mph with gusts to 35 mph in the evening,
decreasing to around 10 mph after midnight.
.WEDNESDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Chance of rain 30 percent. Highs
73 to 83.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of rain showers. Chance of
rain 40 percent. Lows 43 to 49. Windy.
.THURSDAY...Partly cloudy with a 30 percent chance of rain
showers. Highs 69 to 76. Breezy.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers in
the evening, then partly cloudy with a slight chance of rain
showers after midnight. Chance of rain 30 percent. Lows 39 to 45.
Windy.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 65 to 72. Breezy.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 30 to 42.
Highs 61 to 70. Breezy.

&&
                  TEMPERATURE
Burns           40  81  44  90

$$
=

ORZ063-110400-
Malheur County-
230 PM MDT Sun May 10 2026 /130 PM PDT Sun May 10 2026/

.TONIGHT...Partly cloudy. Lows 46 to 55. Southwest winds 10 to
15 mph this evening, shifting to northwest after midnight. Gusts
to 30 mph.
.MONDAY...Sunny. Highs 79 to 89. North winds 10 to 15 mph.
.MONDAY NIGHT...Partly cloudy. Lows 44 to 54. Northeast winds up
to 10 mph.
.TUESDAY...Sunny. Highs 87 to 94. Light winds in the morning,
becoming east 10 to 15 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 53 to 62. Southeast winds
10 to 15 mph with gusts to 25 mph in the evening, shifting to
southwest after midnight.
.WEDNESDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 83 to 88.
.WEDNESDAY NIGHT...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of showers. Chance of rain
40 percent. Lows 46 to 56. Windy.
.THURSDAY...Partly cloudy with a chance of showers. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 75 to 81. Breezy.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 42 to 51. Windy.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 69 to 75. Lows
38 to 47. Windy.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 64 to 72. Lows
35 to 43. Breezy.

$$
=