Zone Forecast Product
Issued by NWS Boise, ID

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
369
FPUS55 KBOI 272108
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 PM MDT Wed Aug 27 2025

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


IDZ011-280500-
West Central Mountains-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Rain showers with a slight chance of thunderstorms
this evening, then a chance of rain showers after midnight. Areas
of fog after midnight. Thunderstorms may produce heavy rainfall
this evening. Chance of rain 80 percent. Lows 46 to 56.
.THURSDAY...Mostly sunny. Areas of fog in the morning. A slight
chance of rain showers in the morning, then a slight chance of
thunderstorms in the afternoon. Chance of rain 20 percent. Warmer
with highs 67 to 81.
.THURSDAY NIGHT...Mostly clear. Lows 48 to 58.
.FRIDAY...Sunny. Highs 71 to 85.
.FRIDAY NIGHT...Mostly clear. Lows 48 to 58.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 73 to 87. Lows
49 to 59.
.SUNDAY NIGHT...Partly cloudy. Lows 50 to 60.
.LABOR DAY...Partly cloudy. A slight chance of rain showers in
the afternoon. Chance of rain 20 percent. Highs 74 to 88.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 49 to
59. Highs 74 to 88.
.WEDNESDAY...Sunny. Highs 74 to 88.

&&
                  TEMPERATURE
McCall          48  76  49  80

$$
=

IDZ013-280500-
Boise Mountains-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy. A chance of rain showers with a slight
chance of thunderstorms this evening, then a slight chance of
rain showers after midnight. Areas of fog after midnight.
Thunderstorms may produce heavy rainfall this evening. Chance of
rain 30 percent. Lows 42 to 57.
.THURSDAY...Areas of fog in the morning. Mostly sunny. Highs
69 to 83.
.THURSDAY NIGHT...Mostly clear. Lows 43 to 58.
.FRIDAY...Sunny. Highs 72 to 87.
.FRIDAY NIGHT...Mostly clear. Lows 43 to 58.
.SATURDAY THROUGH LABOR DAY...Mostly clear. Highs 76 to 91. Lows
45 to 60.
.MONDAY NIGHT...Partly cloudy. A slight chance of rain showers in
the evening. Chance of rain 20 percent. Lows 45 to 60.
.TUESDAY...Partly cloudy. A slight chance of rain showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
77 to 90.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 44 to 59.
.WEDNESDAY...Sunny. Highs 76 to 90.

&&
                  TEMPERATURE
Idaho City      46  83  46  86

$$
=

IDZ028-280500-
Camas Prairie-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms this evening. Areas of fog after
midnight. Thunderstorms may produce heavy rainfall this evening.
Chance of rain 30 percent. Lows 43 to 50. West winds 10 to 15 mph
this evening, becoming light after midnight.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 75 to 80.
West winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows 42 to 49. Northwest winds
10 to 15 mph.
.FRIDAY...Sunny. Highs 76 to 81. Light winds in the morning,
becoming southwest around 10 mph in the afternoon.
.FRIDAY NIGHT...Decreasing clouds. Lows 42 to 49. Northwest winds
around 10 mph.
.SATURDAY THROUGH LABOR DAY...Mostly clear. Highs 78 to 86. Lows
45 to 55.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 46 to
54. Highs 81 to 86.
.WEDNESDAY...Sunny. Highs 80 to 85.

&&
                  TEMPERATURE
Fairfield       44  77  43  79

$$
=

IDZ033-280500-
Upper Weiser River-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms this evening. Areas of fog after
midnight. Thunderstorms may produce heavy rainfall this evening.
Chance of rain 30 percent. Lows 56 to 61. Light winds.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 78 to 84.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 59 to 64. Light winds.
.FRIDAY...Sunny. Highs 82 to 87. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 58 to 64. Light winds.
.SATURDAY...Sunny. Highs 84 to 90.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 59 to 65. Highs
86 to 91.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 65.
.LABOR DAY...Sunny. Highs 84 to 90.
.MONDAY NIGHT...Partly cloudy. Lows 60 to 65.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 85 to 91. Lows
59 to 64.

&&
                  TEMPERATURE
Council         58  83  60  87
Cambridge       57  83  59  86

$$
=

ORZ064-280500-
Oregon Lower Treasure Valley-
307 PM MDT Wed Aug 27 2025 /207 PM PDT Wed Aug 27 2025/

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT /11 PM PDT/
TONIGHT...

.TONIGHT...Mostly cloudy with a slight chance of showers this
evening, then partly cloudy after midnight. Areas of fog after
midnight. Chance of rain 20 percent. Lows 59 to 64. Light winds.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 85 to 90.
Light winds.
.THURSDAY NIGHT...Decreasing clouds. Lows 59 to 65. Light winds.
.FRIDAY...Sunny. Highs 87 to 92. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 58 to 65. Light winds.
.SATURDAY...Sunny. Highs 88 to 93.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 60 to 66. Highs
90 to 95.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 66.
.LABOR DAY...Sunny. Highs 89 to 94.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
60 to 66.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 89 to 94. Lows
60 to 66.

&&
                  TEMPERATURE
Ontario         59  87  59  89

$$
=

IDZ012-280500-
Lower Treasure Valley-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy with a slight chance of showers this
evening, then partly cloudy after midnight. Areas of fog after
midnight. Chance of rain 20 percent. Lows 57 to 62. Northeast
winds up to 10 mph.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 82 to 87.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 58 to 63. Light winds.
.FRIDAY...Sunny. Highs 85 to 90. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 57 to 62. Light winds.
.SATURDAY...Sunny. Highs 87 to 92.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 58 to 63. Highs
89 to 94.
.SUNDAY NIGHT...Partly cloudy. Lows 59 to 64.
.LABOR DAY...Sunny. Highs 88 to 93.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
59 to 64.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 87 to 93. Lows
59 to 64.

&&
                  TEMPERATURE
Caldwell        59  85  59  88

$$
=

IDZ014-280500-
Upper Treasure Valley-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Decreasing clouds. A 20 percent chance of showers.
Areas of fog after midnight. Lows 56 to 62. North winds up to
10 mph. Gusts to 20 mph this evening.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 82 to 87.
Light winds in the morning, becoming northwest up to 10 mph with
gusts to 20 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 55 to 62. Northeast winds up
to 10 mph. Gusts to 20 mph in the evening.
.FRIDAY...Sunny. Highs 85 to 90. Light winds in the morning,
becoming west up to 10 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 54 to 62. North winds up to
10 mph.
.SATURDAY...Sunny. Highs 87 to 92.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 56 to 64. Highs
90 to 95.
.SUNDAY NIGHT...Increasing clouds. Lows 58 to 64.
.LABOR DAY...Sunny. Highs 89 to 94.
.MONDAY NIGHT...Partly cloudy. Lows 57 to 64.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 88 to 93. Lows
58 to 63.

&&
                  TEMPERATURE
Boise           62  85  62  87
Mountain Home   58  87  58  89

$$
=

IDZ016-280500-
Western Magic Valley-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Areas of fog after midnight. Thunderstorms may produce heavy
rainfall this evening. Chance of rain 20 percent. Lows 54 to 59.
Southwest winds 10 to 15 mph.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 78 to 83.
West winds around 10 mph with gusts to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows 53 to 58. West winds around
10 mph in the evening, shifting to south after midnight. Gusts to
20 mph.
.FRIDAY...Sunny. Highs 79 to 84. Southeast winds up to 10 mph in
the morning, shifting to northwest around 10 mph in the
afternoon.
.FRIDAY NIGHT...Decreasing clouds. Lows 52 to 57. Southwest winds
around 10 mph.
.SATURDAY...Sunny. Highs 82 to 87.
.SATURDAY NIGHT THROUGH LABOR DAY...Mostly clear. Lows 54 to 62.
Highs 84 to 91.
.MONDAY NIGHT...Partly cloudy. Lows 56 to 61.
.TUESDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 85 to 91.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 61.
.WEDNESDAY...Sunny. Highs 84 to 90.

&&
                  TEMPERATURE
Jerome          57  79  56  81
Twin Falls      58  80  56  81

$$
=

IDZ029-280500-
Owyhee Mountains-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Areas of fog after midnight. Thunderstorms may produce heavy
rainfall this evening. Chance of rain 20 percent. Lows 51 to 60.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 76 to 83.
.THURSDAY NIGHT...Partly cloudy. Lows 54 to 62.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
78 to 84.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
53 to 62.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 80 to 90. Lows
56 to 63.
.SUNDAY NIGHT...Partly cloudy. Lows 56 to 64.
.LABOR DAY AND MONDAY NIGHT...Partly cloudy. A 20 percent chance
of showers. Highs 82 to 89. Lows 56 to 63.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 81 to 88. Lows
55 to 62.
.WEDNESDAY...Sunny. Highs 80 to 87.

$$
=

IDZ015-280500-
Southwest Highlands-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms this evening, then partly cloudy with a
slight chance of showers after midnight. Patchy fog after
midnight. Thunderstorms may produce heavy rainfall this evening.
Chance of rain 30 percent. Lows 51 to 56.
.THURSDAY...Mostly sunny. Patchy fog in the morning. A chance of
showers and thunderstorms in the afternoon. Chance of rain
30 percent. Highs 76 to 83.
.THURSDAY NIGHT...Partly cloudy. Lows 52 to 57.
.FRIDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Chance of rain 30 percent.
Highs 78 to 84.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
51 to 57.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 81 to 90. Lows
53 to 60.
.SUNDAY NIGHT...Partly cloudy. Lows 56 to 61.
.LABOR DAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
84 to 89.
.MONDAY NIGHT...Mostly cloudy with a slight chance of showers in
the evening, then partly cloudy after midnight. Chance of rain
20 percent. Lows 55 to 60.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
83 to 89.
.TUESDAY NIGHT...Partly cloudy. Lows 54 to 59.
.WEDNESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
82 to 88.

$$
=

IDZ030-280500-
Southern Twin  Falls County-
307 PM MDT Wed Aug 27 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms this evening, then partly cloudy after
midnight. Areas of fog after midnight. Thunderstorms may produce
heavy rainfall this evening. Chance of rain 30 percent. Lows
52 to 57.
.THURSDAY...Mostly sunny. Areas of fog in the morning. A chance
of showers and thunderstorms in the afternoon. Chance of rain
30 percent. Highs 75 to 80.
.THURSDAY NIGHT...Mostly clear. Lows 52 to 57.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
77 to 82.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
51 to 56.
.SATURDAY THROUGH SUNDAY NIGHT...Mostly clear. Highs 80 to 89.
Lows 54 to 60.
.LABOR DAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
84 to 89.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Chance of rain 20 percent. Lows 55 to 60.
.TUESDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 84 to 89.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Chance of rain 20 percent. Lows 54 to 59.
.WEDNESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
82 to 87.

$$
=

ORZ062-280500-
Baker County-
207 PM PDT Wed Aug 27 2025

.TONIGHT...Mostly cloudy with a chance of rain showers this
evening, then partly cloudy after midnight. Areas of fog after
midnight. Chance of rain 30 percent. Lows 49 to 59. North winds
up to 10 mph this evening, becoming light after midnight.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 80 to 88.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 49 to 61. Light winds.
.FRIDAY...Sunny. Highs 82 to 90. Light winds.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
50 to 62. Northwest winds up to 10 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs 84 to 91. Lows
50 to 62.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 84 to 92. Lows
51 to 62.
.LABOR DAY...Sunny. Highs 84 to 92.
.MONDAY NIGHT...Decreasing clouds. Lows 51 to 62.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 85 to 93. Lows
51 to 62.

&&
                  TEMPERATURE
Baker City      49  85  49  87

$$
=

ORZ061-280500-
Harney County-
207 PM PDT Wed Aug 27 2025

.TONIGHT...Mostly cloudy with a slight chance of showers and
thunderstorms this evening, then mostly clear after midnight.
Patchy fog after midnight. Chance of rain 20 percent. Lows 46 to
56. Northwest winds 10 to 15 mph with gusts to 25 mph this
evening, becoming light after midnight.
.THURSDAY...Areas of fog in the morning. Sunny. Highs 77 to 86.
Southwest winds up to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 47 to 57. East winds up to
10 mph.
.FRIDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 78 to 87. Light
winds.
.FRIDAY NIGHT...Partly cloudy. Lows 47 to 57. Light winds.
.SATURDAY...Sunny. Highs 80 to 90.
.SATURDAY NIGHT...Decreasing clouds. Lows 47 to 57.
.SUNDAY...Sunny. Highs 81 to 91.
.SUNDAY NIGHT...Partly cloudy. Lows 47 to 57.
.LABOR DAY...Sunny. Highs 80 to 90.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 49 to
58. Highs 79 to 89.
.WEDNESDAY...Sunny. Highs 78 to 88.

&&
                  TEMPERATURE
Burns           46  86  47  86

$$
=

ORZ063-280500-
Malheur County-
307 PM MDT Wed Aug 27 2025 /207 PM PDT Wed Aug 27 2025/

.TONIGHT...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms this evening, then partly cloudy after
midnight. Areas of fog after midnight. Thunderstorms may produce
heavy rainfall this evening. Chance of rain 30 percent. Lows
51 to 60. Northeast winds up to 10 mph with gusts to 20 mph this
evening, becoming light after midnight.
.THURSDAY...Sunny. Areas of fog in the morning. A slight chance
of thunderstorms in the afternoon. Highs 82 to 88. Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows 52 to 62. East winds up to
10 mph.
.FRIDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 83 to 89. Light
winds.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
51 to 61. Northeast winds up to 10 mph in the evening, becoming
light after midnight.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 85 to 93. Lows
53 to 63.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 54 to
63. Highs 87 to 92.
.TUESDAY...Sunny. Highs 86 to 91.
.TUESDAY NIGHT...Decreasing clouds. Lows 53 to 63.
.WEDNESDAY...Sunny. Highs 85 to 92.

$$
=