Zone Forecast Product
Issued by NWS Boise, ID

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528
FPUS55 KBOI 170908
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 AM MDT Fri Oct 17 2025

Spot temperatures are for today, tonight, and Saturday.


IDZ011-171700-
West Central Mountains-
307 AM MDT Fri Oct 17 2025

.TODAY...Areas of fog this morning. Mostly sunny. Highs 46 to 61.
.TONIGHT...Mostly clear. Patchy fog in the evening. Areas of fog
after midnight. Lows 23 to 34.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 47 to 60.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a slight chance of rain showers after midnight. Chance of
rain 20 percent. Lows 29 to 40.
.SUNDAY...Rain showers. Snow showers in the afternoon. Chance of
precipitation 80 percent. Little snow accumulation expected.
Highs 42 to 55.
.SUNDAY NIGHT...Rain and snow showers likely in the evening, then
partly cloudy with a chance of rain and snow showers after
midnight. Patchy fog in the evening, then areas of fog after
midnight. Chance of precipitation 60 percent. Little snow
accumulation expected. Lows 23 to 33.
.MONDAY...Areas of fog in the morning. Mostly sunny. Highs 41 to
54.
.MONDAY NIGHT...Increasing clouds. Lows 25 to 34.
.TUESDAY...Mostly sunny. Highs 44 to 57.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Areas of fog
through the day. Lows 25 to 34. Highs 46 to 58.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers
after midnight. Chance of rain 20 percent. Lows 28 to 37.
.THURSDAY...Partly cloudy with a slight chance of rain and snow
showers. Chance of precipitation 20 percent. Highs 50 to 62.

&&
               TEMPERATURE
McCall          55  23  55

$$
=

IDZ013-171700-
Boise Mountains-
307 AM MDT Fri Oct 17 2025

.TODAY...Partly sunny this morning, then clearing. Areas of fog
this morning. Highs 49 to 62.
.TONIGHT...Mostly clear. Patchy fog in the evening. Areas of fog
after midnight. Lows 23 to 37.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 50 to 63.
.SATURDAY NIGHT...Mostly clear. Lows 31 to 44.
.SUNDAY...Rain showers likely, mainly in the afternoon. Chance of
rain 60 percent. Highs 47 to 62.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. A
slight chance of rain showers in the evening. A slight chance of
snow showers. Patchy fog in the evening. Areas of fog after
midnight. Chance of precipitation 20 percent. Lows 21 to 36.
.MONDAY...Areas of fog in the morning. Sunny. Highs 43 to 57.
.MONDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
22 to 37.
.TUESDAY...Mostly sunny. Highs 47 to 62.
.TUESDAY NIGHT...Partly cloudy. Areas of fog after midnight. Lows
23 to 37.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 48 to 62.
.WEDNESDAY NIGHT...Mostly clear. Lows 25 to 40.
.THURSDAY...Mostly sunny. Highs 53 to 66.

&&
               TEMPERATURE
Idaho City      61  25  62

$$
=

IDZ028-171700-
Camas Prairie-
307 AM MDT Fri Oct 17 2025

.TODAY...Partly sunny this morning, then clearing. Areas of fog
this morning. Highs 55 to 60. Light winds this morning, becoming
west 10 to 15 mph with gusts to 25 mph this afternoon.
.TONIGHT...Mostly clear. Lows 23 to 28. West winds 10 to 15 mph.
Gusts to 30 mph in the evening, decreasing to 20 mph after
midnight.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 54 to 59.
Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 26 to 33. Light winds.
.SUNDAY...Partly cloudy. A chance of rain showers in the
afternoon. Chance of rain 30 percent. Highs 57 to 62. Light winds
in the morning, becoming west 10 to 15 mph with gusts to 30 mph
in the afternoon.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 22 to 29.
Highs 50 to 59. Breezy.
.TUESDAY NIGHT...Partly cloudy. Lows 24 to 29.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 54 to 59.
Lows 26 to 31.
.THURSDAY...Mostly sunny. Highs 58 to 63.

&&
               TEMPERATURE
Fairfield       58  23  57

$$
=

IDZ033-171700-
Upper Weiser River-
307 AM MDT Fri Oct 17 2025

.TODAY...Sunny. Highs 57 to 65. South winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 32 to 37. Light winds.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 56 to 62.
Light winds in the morning, becoming south up to 10 mph in the
afternoon.
.SATURDAY NIGHT...Increasing clouds. Lows 37 to 44. Light winds.
.SUNDAY...Rain showers likely in the morning, then partly cloudy
with a chance of rain showers in the afternoon. Chance of rain
60 percent. Highs 55 to 60. South winds up to 10 mph with gusts
to 20 mph.
.SUNDAY NIGHT...Partly cloudy with a chance of rain showers in
the evening, then partly cloudy with a slight chance of rain
showers after midnight. Areas of fog after midnight. Chance of
rain 30 percent. Lows 31 to 37.
.MONDAY...Areas of fog in the morning. Sunny. Highs 51 to 57.
.MONDAY NIGHT...Mostly clear. Lows 33 to 38.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 52 to 58. Lows
32 to 37.
.WEDNESDAY...Sunny. Highs 53 to 61.
.WEDNESDAY NIGHT...Partly cloudy. Lows 36 to 41.
.THURSDAY...Partly cloudy with a 20 percent chance of rain
showers. Highs 56 to 64.

&&
               TEMPERATURE
Council         63  34  61
Cambridge       65  32  62

$$
=

ORZ064-171700-
Oregon Lower Treasure Valley-
307 AM MDT Fri Oct 17 2025 /207 AM PDT Fri Oct 17 2025/

...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM MDT /8 AM PDT/
SATURDAY...

.TODAY...Sunny. Highs 65 to 70. Light winds.
.TONIGHT...Mostly clear. Lows 34 to 39. Northwest winds up to
10 mph.
.SATURDAY...Areas of fog and frost in the morning. Sunny. Highs
60 to 65. Northwest winds up to 10 mph in the morning, becoming
light in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 36 to 41. Light winds.
.SUNDAY...Partly cloudy. A chance of rain showers, mainly in the
morning. Chance of rain 30 percent. Highs 61 to 66. Light winds
in the morning, becoming west around 10 mph with gusts to 20 mph
in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 33 to 38.
.MONDAY...Patchy fog in the morning. Sunny. Highs 55 to 60.
.MONDAY NIGHT...Mostly clear. Lows 31 to 36.
.TUESDAY...Patchy fog in the morning. Mostly sunny. Highs 55 to
60.
.TUESDAY NIGHT...Partly cloudy. Lows 31 to 36.
.WEDNESDAY...Sunny. Highs 57 to 62.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 33 to 39.
Highs 59 to 64.

&&
               TEMPERATURE
Ontario         66  34  63

$$
=

IDZ012-171700-
Lower Treasure Valley-
307 AM MDT Fri Oct 17 2025

...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM MDT /8 AM PDT/
SATURDAY...

.TODAY...Partly sunny this morning, then clearing. Highs 63 to
68. Light winds this morning, becoming west up to 10 mph this
afternoon.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 34 to
39. Northwest winds up to 10 mph.
.SATURDAY...Areas of fog and frost in the morning. Sunny. Highs
60 to 65. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 38 to 43. Southeast winds up
to 10 mph.
.SUNDAY...Partly cloudy with a 30 percent chance of rain showers.
Highs 61 to 66. Southeast winds up to 10 mph in the morning,
shifting to west in the afternoon.
.SUNDAY NIGHT...Partly cloudy. A slight chance of rain showers in
the evening. Chance of rain 20 percent. Lows 33 to 38.
.MONDAY...Areas of fog in the morning. Sunny. Highs 55 to 60.
.MONDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
31 to 36.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Patchy fog in the
morning. Patchy fog after midnight. Highs 56 to 61. Lows 31 to
36.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 58 to 63.
.WEDNESDAY NIGHT...Mostly clear. Lows 35 to 40.
.THURSDAY...Mostly sunny. Highs 60 to 65.

&&
               TEMPERATURE
Caldwell        66  35  64

$$
=

IDZ014-171700-
Upper Treasure Valley-
307 AM MDT Fri Oct 17 2025

...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM MDT SATURDAY...
...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM MDT /8 AM PDT/
SATURDAY...

.TODAY...Partly sunny this morning, then clearing. Areas of frost
this morning. Highs 62 to 67. Northeast winds up to 10 mph this
morning, shifting to northwest this afternoon. Gusts to 20 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 33 to
38. Northwest winds up to 10 mph with gusts to 20 mph.
.SATURDAY...Areas of fog with patchy frost in the morning. Sunny.
Highs 61 to 66. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 36 to 46. Southeast winds
10 to 15 mph.
.SUNDAY...Partly cloudy. A chance of rain showers, mainly in the
afternoon. Chance of rain 30 percent. Highs 63 to 70. Breezy.
Southeast winds 10 to 15 mph in the morning, shifting to
northwest 10 to 20 mph with gusts to 30 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 32 to 38. Breezy.
.MONDAY AND MONDAY NIGHT...Mostly clear. Patchy fog in the
morning. Patchy fog after midnight. Cooler. Highs 55 to 60. Lows
30 to 38.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 59 to 64. Lows
31 to 37.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 60 to 65.
Lows 34 to 40.
.THURSDAY...Mostly sunny. Highs 64 to 69.

&&
               TEMPERATURE
Boise           65  37  64
Mountain Home   65  34  64

$$
=

IDZ016-171700-
Western Magic Valley-
307 AM MDT Fri Oct 17 2025

...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM MDT SATURDAY...
...FROST ADVISORY NOW IN EFFECT UNTIL 9 AM MDT /8 AM PDT/
SATURDAY...

.TODAY...Areas of frost this morning. Mostly sunny. Highs 58 to
63. West winds 10 to 15 mph with gusts to 25 mph.
.TONIGHT...Mostly clear. Lows 34 to 39. West winds 10 to 15 mph
with gusts to 25 mph.
.SATURDAY...Areas of frost in the morning. Sunny. Highs 57 to 62.
West winds 10 to 15 mph. Gusts to 25 mph in the morning.
.SATURDAY NIGHT...Mostly clear. Lows 36 to 42. East winds up to
10 mph.
.SUNDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 63 to 69. Southeast
winds around 10 mph in the morning, shifting to west in the
afternoon. Gusts to 25 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
33 to 38. Breezy.
.MONDAY AND MONDAY NIGHT...Mostly clear. Cooler. Highs 52 to 57.
Lows 30 to 35. Breezy.
.TUESDAY...Sunny. Highs 58 to 63.
.TUESDAY NIGHT...Partly cloudy. Lows 32 to 37.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 57 to 67. Lows
32 to 37.

&&
               TEMPERATURE
Jerome          59  36  58
Twin Falls      60  38  59

$$
=

IDZ029-171700-
Owyhee Mountains-
307 AM MDT Fri Oct 17 2025

.TODAY...Partly sunny this morning, then clearing. Highs 59 to
64.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 30 to
39.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 56 to 66.
.SATURDAY NIGHT...Mostly clear. Lows 39 to 47.
.SUNDAY...Partly cloudy. A chance of rain showers, mainly in the
afternoon. Chance of rain 30 percent. Highs 57 to 65. Breezy.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Cooler. Lows
28 to 36. Highs 49 to 56. Breezy.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 52 to 62. Lows
31 to 37.
.WEDNESDAY...Sunny. Highs 53 to 62.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 35 to 40.
Highs 57 to 67.

$$
=

IDZ015-171700-
Southwest Highlands-
307 AM MDT Fri Oct 17 2025

.TODAY...Partly sunny this morning, then clearing. Highs 59 to
65. Breezy.
.TONIGHT...Mostly clear. Lows 31 to 36.
.SATURDAY...Sunny. Highs 61 to 67.
.SATURDAY NIGHT...Mostly clear. Lows 37 to 44. Breezy.
.SUNDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 65 to 70. Windy. West
winds around 25 mph in the afternoon. Gusts to 35 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
28 to 33. Breezy.
.MONDAY AND MONDAY NIGHT...Mostly clear. Cooler. Highs 53 to 58.
Lows 29 to 35.
.TUESDAY...Sunny. Highs 60 to 65.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 31 to 36.
Highs 58 to 63.
.WEDNESDAY NIGHT...Mostly clear. Lows 32 to 38.
.THURSDAY...Mostly sunny. Highs 63 to 68.

$$
=

IDZ030-171700-
Southern Twin  Falls County-
307 AM MDT Fri Oct 17 2025

.TODAY...Mostly sunny. Highs 58 to 63.
.TONIGHT...Mostly clear. Lows 33 to 38.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 58 to 63.
.SATURDAY NIGHT...Mostly clear. Lows 38 to 45.
.SUNDAY...Sunny. Highs 66 to 71. Temperature falling into the
lower 60s in the afternoon. Breezy.
.SUNDAY NIGHT...Partly cloudy. Lows 31 to 36. Breezy.
.MONDAY AND MONDAY NIGHT...Mostly clear. Much cooler. Highs 52 to
57. Lows 30 to 35.
.TUESDAY...Sunny. Highs 59 to 64.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 32 to 37.
Highs 57 to 62.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 34 to 39.
Highs 62 to 67.

$$
=

ORZ062-171700-
Baker County-
207 AM PDT Fri Oct 17 2025

.TODAY...Partly sunny this morning, then clearing. Areas of fog
this morning. Highs 59 to 66. Light winds this morning, becoming
northwest 10 to 15 mph this afternoon.
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 24 to
34. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 57 to 64.
South winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a slight chance of rain showers after midnight. Chance of
rain 20 percent. Lows 33 to 43. Southeast winds up to 10 mph with
gusts to 20 mph.
.SUNDAY...Rain showers likely in the morning, then partly cloudy
with a chance of rain showers in the afternoon. Chance of rain
60 percent. Highs 54 to 62. South winds up to 10 mph in the
morning, shifting to west with gusts to 25 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. A chance of rain and snow showers
in the evening. Areas of fog after midnight. Chance of
precipitation 30 percent. Lows 26 to 35.
.MONDAY...Areas of fog in the morning. Sunny. Highs 51 to 58.
.MONDAY NIGHT...Increasing clouds. Patchy fog after midnight.
Lows 27 to 36.
.TUESDAY...Areas of fog in the morning. Mostly sunny. Highs 54 to
60.
.TUESDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows
26 to 36.
.WEDNESDAY...Areas of fog in the morning. Mostly sunny. Highs
55 to 61.
.WEDNESDAY NIGHT...Partly cloudy. Lows 30 to 40.
.THURSDAY...Partly cloudy with a 20 percent chance of rain
showers. Highs 57 to 64.

&&
               TEMPERATURE
Baker City      63  26  62

$$
=

ORZ061-171700-
Harney County-
207 AM PDT Fri Oct 17 2025

.TODAY...Partly sunny this morning, then clearing. Highs 60 to
67. West winds 10 to 15 mph.
.TONIGHT...Mostly clear. Areas of fog after midnight. Lows 23 to
34. Northwest winds 10 to 15 mph.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 61 to 69.
South winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 31 to 43. South winds 10 to
15 mph.
.SUNDAY...Partly cloudy. A slight chance of rain showers in the
morning. Chance of rain 20 percent. Highs 55 to 64. Breezy. West
winds 10 to 20 mph. Gusts to 35 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Patchy fog after midnight. Colder
with lows 21 to 31. Breezy.
.MONDAY...Areas of fog in the morning. Sunny. Highs 51 to 58.
.MONDAY NIGHT...Mostly clear. Lows 23 to 35.
.TUESDAY THROUGH THURSDAY...Partly cloudy. Highs 57 to 67. Lows
23 to 36.

&&
               TEMPERATURE
Burns           65  23  65

$$
=

ORZ063-171700-
Malheur County-
307 AM MDT Fri Oct 17 2025 /207 AM PDT Fri Oct 17 2025/

.TODAY...Partly sunny this morning, then clearing. Highs 62 to
69. Southwest winds 10 to 15 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 28 to
37. Northwest winds 10 to 15 mph.
.SATURDAY...Areas of fog in the morning. Sunny. Highs 60 to 68.
South winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 35 to 43. South winds 10 to
15 mph.
.SUNDAY...Partly cloudy. A chance of rain showers, mainly in the
morning. Chance of rain 30 percent. Highs 59 to 68. Breezy.
Southwest winds 10 to 20 mph. Gusts to 30 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 27 to 35. Breezy.
.MONDAY...Patchy fog in the morning. Sunny. Highs 53 to 59.
.MONDAY NIGHT...Mostly clear. Lows 28 to 35.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 55 to 64. Lows
29 to 35.
.WEDNESDAY...Sunny. Highs 57 to 65.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 30 to 38.
Highs 59 to 68.

$$
=