Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
645
FPUS55 KBOI 060832
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 AM MDT Sun Sep 6 2026
Spot temperatures are for today, tonight, and Labor Day.
IDZ011-061600-
West Central Mountains-
231 AM MDT Sun Sep 6 2026
.TODAY...Areas of fog this morning. Partly cloudy with a chance
of rain showers. A slight chance of thunderstorms this afternoon.
Chance of rain 40 percent. Highs 62 to 74.
.TONIGHT...A slight chance of thunderstorms. Rain showers. Patchy
fog in the evening. Areas of fog after midnight. Chance of rain
90 percent. Lows 37 to 46.
.LABOR DAY...Rain showers in the morning, then rain showers
likely with a slight chance of thunderstorms in the afternoon.
Areas of fog. Chance of rain 80 percent. Cooler with highs 49 to
63.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Areas
of fog. Chance of rain 20 percent. Lows 33 to 43.
.TUESDAY...Areas of fog in the morning. Sunny, warmer with highs
62 to 74.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Areas of fog through
the day. Lows 37 to 47. Highs 67 to 79.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 42 to 52.
Highs 68 to 80.
.THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
44 to 54.
.FRIDAY...Patchy fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 64 to 78.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 30 percent chance
of rain showers. Areas of fog through the day. Lows 40 to 51.
Highs 60 to 73.
&&
TEMPERATURE
McCall 69 39 57
$$
=
IDZ013-061600-
Boise Mountains-
231 AM MDT Sun Sep 6 2026
.TODAY...Partly cloudy. A slight chance of rain showers this
morning. Areas of fog this morning. Chance of rain 20 percent.
Highs 64 to 79.
.TONIGHT...Increasing clouds. A slight chance of thunderstorms.
Rain showers, mainly after midnight. Areas of fog after midnight.
Chance of rain 90 percent. Lows 33 to 48. Breezy.
.LABOR DAY...Decreasing clouds. Areas of fog in the morning. Rain
showers likely in the morning, then a slight chance of
thunderstorms in the afternoon. Chance of rain 60 percent. Cooler
with highs 53 to 68.
.MONDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
28 to 43.
.TUESDAY...Areas of fog in the morning. Sunny, warmer with highs
64 to 78.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 32 to 47. Highs
69 to 83.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
40 to 55. Highs 71 to 85.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
morning. Chance of rain 20 percent. Highs 69 to 83.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Areas of fog through the day. Lows 37 to 52.
Highs 64 to 78.
&&
TEMPERATURE
Idaho City 78 39 66
$$
=
IDZ028-061600-
Camas Prairie-
231 AM MDT Sun Sep 6 2026
.TODAY...Areas of fog this morning. Sunny. Highs 72 to 77.
Southeast winds up to 10 mph. Gusts to 20 mph this afternoon.
.TONIGHT...Partly cloudy in the evening, then rain showers likely
with a slight chance of thunderstorms after midnight. Chance of
rain 60 percent. Lows 37 to 42. Breezy. West winds 10 to 20 mph
with gusts to 40 mph.
.LABOR DAY...Sunny, cooler with highs 61 to 66. Breezy. West
winds 10 to 20 mph with gusts to 30 mph.
.MONDAY NIGHT...Mostly clear. Lows 31 to 36. West winds 10 to
15 mph with gusts to 30 mph in the evening, becoming light after
midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 69 to 74.
Light winds in the morning, becoming southwest around 10 mph in
the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 37 to 42. Highs
75 to 80.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 41 to 47.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 76 to 82. Lows
44 to 49.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 42 to 47. Highs
70 to 75.
&&
TEMPERATURE
Fairfield 75 37 64
$$
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IDZ033-061600-
Upper Weiser River-
231 AM MDT Sun Sep 6 2026
.TODAY...Partly cloudy. A slight chance of showers this morning.
Chance of rain 20 percent. Highs 70 to 76. Light winds this
morning, becoming south up to 10 mph this afternoon.
.TONIGHT...Showers with a slight chance of thunderstorms. Areas
of fog after midnight. Chance of rain 90 percent. Lows 45 to 50.
Southwest winds 10 to 15 mph with gusts to 30 mph.
.LABOR DAY...Areas of fog in the morning. Rain showers in the
morning, then partly cloudy with a chance of rain showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
80 percent. Highs 62 to 68. Southwest winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Patchy fog in the evening. Areas of
fog after midnight. Lows 43 to 48. South winds up to 10 mph in
the evening, becoming light after midnight.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 70 to 76.
Light winds.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 45 to 51. Highs
74 to 80.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 51 to 59.
Highs 76 to 82.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of showers. Lows 49 to 54. Highs 70 to 75.
&&
TEMPERATURE
Council 76 47 67
Cambridge 76 47 67
$$
=
ORZ064-061600-
Oregon Lower Treasure Valley-
231 AM MDT Sun Sep 6 2026 /131 AM PDT Sun Sep 6 2026/
.TODAY...Areas of fog this morning. Mostly sunny. Highs 74 to 79.
West winds up to 10 mph.
.TONIGHT...Showers with a slight chance of thunderstorms in the
evening, then a chance of showers after midnight. Patchy fog in
the evening, then areas of fog after midnight. Chance of rain
80 percent. Lows 47 to 53. Breezy. West winds 10 to 20 mph. Gusts
to 35 mph in the evening, decreasing to 20 mph after midnight.
.LABOR DAY...Decreasing clouds. Areas of fog in the morning.
Highs 68 to 73. West winds around 10 mph with gusts to 20 mph.
.MONDAY NIGHT...Mostly clear. Patchy fog in the evening. Areas of
fog after midnight. Lows 43 to 50. Light winds.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 73 to 78.
Light winds.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Patchy fog through
the day. Lows 45 to 52. Highs 77 to 82.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
49 to 59. Highs 82 to 87.
.FRIDAY...Partly cloudy. A slight chance of showers in the
afternoon. Chance of rain 20 percent. Highs 81 to 86.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Patchy fog after midnight. Chance of rain 20 percent.
Lows 50 to 55.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 74 to
79.
&&
TEMPERATURE
Ontario 76 47 70
$$
=
IDZ012-061600-
Lower Treasure Valley-
231 AM MDT Sun Sep 6 2026
.TODAY...Areas of fog this morning. Mostly sunny. Highs 73 to 78.
Light winds this morning, becoming west up to 10 mph this
afternoon.
.TONIGHT...Showers with a slight chance of thunderstorms in the
evening, then showers likely after midnight. Areas of fog. Chance
of rain 80 percent. Lows 46 to 51. Breezy. West winds 10 to
20 mph. Gusts to 40 mph in the evening.
.LABOR DAY...Areas of fog in the morning. Partly cloudy with a
slight chance of rain showers in the morning, then sunny in the
afternoon. Chance of rain 20 percent. Highs 67 to 72. West winds
10 to 15 mph with gusts to 25 mph.
.MONDAY NIGHT...Clear. Patchy fog in the evening. Areas of fog
after midnight. Lows 43 to 48. East winds up to 10 mph.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 73 to 78.
Light winds.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Areas of fog through
the day. Lows 46 to 51. Highs 77 to 82.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
51 to 59. Highs 81 to 86.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Chance of rain 20 percent. Highs 80 to 85.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Areas of fog after midnight. Lows 50 to 55.
.SATURDAY...Areas of fog in the morning. Mostly sunny. Highs
73 to 78.
&&
TEMPERATURE
Caldwell 76 48 70
$$
=
IDZ014-061600-
Upper Treasure Valley-
231 AM MDT Sun Sep 6 2026
.TODAY...Partly sunny this morning, then clearing. Areas of fog
this morning. Highs 76 to 81. Light winds this morning, becoming
northwest 10 to 15 mph this afternoon.
.TONIGHT...Showers likely with a slight chance of thunderstorms
in the evening, then mostly cloudy with a chance of showers after
midnight. Areas of fog after midnight. Chance of rain 60 percent.
Lows 45 to 52. Windy. Northwest winds 15 to 25 mph with gusts to
45 mph.
.LABOR DAY...Areas of fog in the morning. Sunny. Highs 68 to 73.
West winds 10 to 15 mph with gusts to 25 mph.
.MONDAY NIGHT...Clear. Areas of fog after midnight. Lows 41 to
47. North winds 10 to 15 mph with gusts to 25 mph in the evening,
becoming light after midnight.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 74 to 79.
Light winds.
.TUESDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
45 to 50.
.WEDNESDAY...Areas of fog in the morning. Mostly sunny. Highs
78 to 83.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 57.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 83 to 89. Lows
54 to 60.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy fog through
the day. Lows 51 to 56. Highs 75 to 80.
&&
TEMPERATURE
Boise 77 52 70
Mountain Home 80 47 72
$$
=
IDZ016-061600-
Western Magic Valley-
231 AM MDT Sun Sep 6 2026
.TODAY...Areas of fog this morning. Sunny. Highs 76 to 81. Light
winds this morning, becoming northwest up to 10 mph with gusts to
20 mph this afternoon.
.TONIGHT...Partly cloudy with a slight chance of showers in the
evening, then mostly cloudy with a chance of showers after
midnight. Chance of rain 30 percent. Lows 46 to 51. Windy. West
winds 15 to 25 mph with gusts to 50 mph.
.LABOR DAY...Sunny, cooler with highs 65 to 70. Breezy. West
winds 10 to 20 mph with gusts to 30 mph.
.MONDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
41 to 46. Southwest winds 10 to 15 mph. Gusts to 25 mph in the
evening.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 72 to 77.
Light winds in the morning, becoming northwest around 10 mph in
the afternoon.
.TUESDAY NIGHT...Increasing clouds. Lows 45 to 50.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 77 to 86. Lows
51 to 56.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 54 to 59. Highs
81 to 86.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 50 to 55. Highs
72 to 77.
&&
TEMPERATURE
Jerome 78 48 66
Twin Falls 79 47 68
$$
=
IDZ029-061600-
Owyhee Mountains-
231 AM MDT Sun Sep 6 2026
.TODAY...Partly sunny. Patchy fog this morning. A slight chance
of rain showers and thunderstorms this afternoon. Chance of rain
20 percent. Highs 67 to 72.
.TONIGHT...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 39 to 48. Breezy.
.LABOR DAY...Mostly sunny. Highs 61 to 66.
.MONDAY NIGHT...Mostly clear. Lows 38 to 47.
.TUESDAY...Sunny. Highs 65 to 73.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 52.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 70 to 79.
Lows 51 to 57.
.THURSDAY...Sunny. Highs 76 to 82.
.THURSDAY NIGHT...Partly cloudy. Lows 53 to 60.
.FRIDAY...Sunny. Highs 75 to 81.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 49 to 54. Highs
68 to 74.
$$
=
IDZ015-061600-
Southwest Highlands-
231 AM MDT Sun Sep 6 2026
.TODAY...Mostly sunny. Highs 72 to 77.
.TONIGHT...A slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of rain showers. Chance of rain
30 percent. Lows 40 to 46. Windy. Northwest winds around 25 mph
in the evening. Gusts to 40 mph.
.LABOR DAY...Sunny. Highs 64 to 69.
.MONDAY NIGHT...Mostly clear. Lows 39 to 44.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 69 to 74.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 45 to 50.
Highs 74 to 79.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 51 to 59.
Highs 79 to 85.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 48 to 53. Highs
71 to 76. Breezy.
$$
=
IDZ030-061600-
Southern Twin Falls County-
231 AM MDT Sun Sep 6 2026
.TODAY...Sunny. Highs 76 to 81.
.TONIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 45 to 50. Breezy.
.LABOR DAY...Sunny, cooler with highs 66 to 71.
.MONDAY NIGHT...Mostly clear. Lows 41 to 46.
.TUESDAY...Sunny. Highs 72 to 77.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 47 to 52.
Highs 76 to 81.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
53 to 60. Highs 81 to 86.
.FRIDAY...Sunny. Highs 81 to 86.
.FRIDAY NIGHT...Partly cloudy. A slight chance of rain showers in
the evening. Chance of rain 20 percent. Lows 50 to 55.
.SATURDAY...Mostly sunny. Cooler with highs 71 to 76.
$$
=
ORZ062-061600-
Baker County-
131 AM PDT Sun Sep 6 2026
.TODAY...Mostly sunny. Areas of fog. A chance of rain showers
with a slight chance of thunderstorms this afternoon. Chance of
rain 30 percent. Highs 67 to 76. Light winds this morning,
becoming south up to 10 mph with gusts to 20 mph this afternoon.
.TONIGHT...A slight chance of thunderstorms. Rain showers. Areas
of fog. Chance of rain 80 percent. Lows 35 to 50. Breezy.
Northwest winds 10 to 20 mph with gusts to 30 mph.
.LABOR DAY...Partly cloudy with a chance of rain showers. Areas
of fog in the morning. Patchy fog in the afternoon. A slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 62 to 69. Northwest winds 10 to 15 mph.
.MONDAY NIGHT...Decreasing clouds. Areas of fog. Lows 33 to 47.
North winds up to 10 mph.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 69 to 76.
Light winds.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Patchy fog through
the day. Lows 36 to 51. Highs 75 to 81.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
40 to 55. Highs 78 to 84.
.FRIDAY...Patchy fog in the morning. Mostly sunny. Highs 72 to
80.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of rain showers. Areas of fog through the day. Lows 39 to 52.
Highs 68 to 75.
&&
TEMPERATURE
Baker City 70 35 65
$$
=
ORZ061-061600-
Harney County-
131 AM PDT Sun Sep 6 2026
.TODAY...Mostly sunny this morning, then rain showers likely with
a slight chance of thunderstorms this afternoon. Chance of rain
60 percent. Highs 57 to 67. West winds 10 to 15 mph. Gusts to
25 mph this afternoon.
.TONIGHT...Rain showers likely with a slight chance of
thunderstorms in the evening, then partly cloudy after midnight.
Patchy fog in the evening, then areas of fog after midnight.
Chance of rain 70 percent. Lows 31 to 42. Breezy. West winds
10 to 20 mph. Gusts to 35 mph in the evening, decreasing to
25 mph after midnight.
.LABOR DAY...Partly sunny in the morning, then clearing. Areas of
fog in the morning. Highs 59 to 67. West winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
31 to 43. West winds up to 10 mph in the evening, becoming light
after midnight.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 66 to 73. East
winds up to 10 mph. Gusts to 20 mph in the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 36 to 47. Highs
71 to 79.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 42 to 53.
Highs 75 to 83.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 43 to 55. Highs
71 to 81.
.FRIDAY NIGHT...Partly cloudy. A slight chance of rain showers in
the evening. Patchy fog after midnight. Chance of rain
20 percent. Lows 39 to 48.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 65 to
73.
&&
TEMPERATURE
Burns 65 31 67
$$
=
ORZ063-061600-
Malheur County-
231 AM MDT Sun Sep 6 2026 /131 AM PDT Sun Sep 6 2026/
.TODAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms this afternoon. Chance of rain
30 percent. Highs 69 to 75. Southwest winds 10 to 15 mph. Gusts
to 25 mph this afternoon.
.TONIGHT...Rain showers likely with a slight chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Patchy fog after midnight. Chance of rain 60 percent.
Lows 36 to 46. Breezy. West winds 10 to 20 mph. Gusts to 35 mph
in the evening, decreasing to 25 mph after midnight.
.LABOR DAY...Areas of fog in the morning. Sunny. Highs 64 to 70.
West winds 10 to 15 mph with gusts to 25 mph.
.MONDAY NIGHT...Mostly clear. Lows 38 to 48. West winds up to
10 mph in the evening, becoming light after midnight.
.TUESDAY...Sunny. Highs 70 to 76. East winds up to 10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 41 to 51. Highs
76 to 81.
.WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 57.
.THURSDAY...Sunny. Highs 81 to 86.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 51 to 59. Highs
78 to 85.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Chance of rain 20 percent. Lows 47 to 54.
.SATURDAY...Mostly sunny. Highs 71 to 77.
$$
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