Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
394
FPUS55 KBOI 042108
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
307 PM MDT Sat Oct 4 2025
Spot temperatures are for tonight, Sunday, Sunday night, and
Monday.
IDZ011-050500-
West Central Mountains-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Partly cloudy with a chance of rain and snow showers.
Areas of fog after midnight. Chance of precipitation 30 percent.
Lows 28 to 38.
.SUNDAY...Mostly sunny. Areas of fog in the morning. A chance of
snow showers in the morning, then a slight chance of rain and
snow showers in the afternoon. Chance of precipitation
30 percent. Highs 47 to 61.
.SUNDAY NIGHT...Mostly clear. Widespread frost with areas of fog
after midnight. Lows 27 to 37.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 51 to 64.
.MONDAY NIGHT...Clear. Areas of fog after midnight. Lows 29 to
39.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 54 to 67.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows 32 to 42. Highs 56 to
69.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 34 to 44.
.THURSDAY...Areas of fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 58 to 71.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Patchy fog after midnight. Lows 34 to 45.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 60 to 73.
.FRIDAY NIGHT...Increasing clouds. A 30 percent chance of rain
showers. Patchy fog after midnight. Lows 36 to 46.
.SATURDAY...Areas of fog in the morning. Partly cloudy with a
40 percent chance of rain showers. Highs 54 to 67.
&&
TEMPERATURE
McCall 30 55 27 58
$$
=
IDZ013-050500-
Boise Mountains-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Mostly clear. Patchy fog this evening. Widespread
frost with areas of fog after midnight. Lows 25 to 40.
.SUNDAY...Mostly sunny. Widespread frost with areas of fog in the
morning. A slight chance of snow showers in the morning, then a
chance of rain and snow showers in the afternoon. Chance of
precipitation 30 percent. Highs 49 to 64.
.SUNDAY NIGHT...Decreasing clouds. Patchy fog in the evening.
Widespread frost with areas of fog after midnight. Lows 23 to 38.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 51 to 65.
.MONDAY NIGHT...Clear. Patchy fog in the evening. Areas of fog
after midnight. Lows 26 to 41.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 56 to 70.
.TUESDAY NIGHT...Clear. Lows 28 to 43.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 59 to 73.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a slight chance of rain showers after midnight.
Chance of rain 20 percent. Lows 31 to 46.
.THURSDAY...Areas of fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 60 to 73.
.THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers
after midnight. Patchy fog after midnight. Chance of rain
20 percent. Lows 31 to 46.
.FRIDAY...Sunny. Areas of fog in the morning. A slight chance of
rain showers in the afternoon. Chance of rain 20 percent. Highs
61 to 75.
.FRIDAY NIGHT...Partly cloudy. A chance of rain showers, mainly
after midnight. Patchy fog after midnight. Chance of rain
30 percent. Lows 32 to 47.
.SATURDAY...Areas of fog in the morning. Partly cloudy with a
30 percent chance of rain showers. Highs 56 to 69.
&&
TEMPERATURE
Idaho City 28 62 26 64
$$
=
IDZ028-050500-
Camas Prairie-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Increasing clouds. Widespread frost with areas of fog
after midnight. Lows 26 to 32. Breezy. Northwest winds 10 to
20 mph with gusts to 30 mph this evening, decreasing to around
10 mph after midnight.
.SUNDAY...Partly sunny. Areas of fog in the morning. A slight
chance of rain and snow showers in the morning, then a chance of
rain showers in the afternoon. Chance of precipitation
30 percent. Highs 50 to 55. Light winds.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing.
Patchy fog in the evening. Widespread frost with areas of fog
after midnight. Lows 24 to 29. Light winds.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 55 to 60. Light winds.
.MONDAY NIGHT...Clear. Lows 26 to 31. Light winds.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 59 to 68. Lows 29 to
35.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 33 to 39.
Highs 65 to 71.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 34 to 40.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 62 to 67.
&&
TEMPERATURE
Fairfield 26 53 24 58
$$
=
IDZ033-050500-
Upper Weiser River-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Decreasing clouds. Areas of fog after midnight. Lows
38 to 43. North winds 10 to 15 mph with gusts to 25 mph.
.SUNDAY...Patchy fog in the morning. Sunny. Highs 59 to 66. North
winds 10 to 15 mph with gusts to 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows 36 to 41. North winds 10 to
15 mph.
.MONDAY...Areas of frost with patchy fog in the morning. Sunny.
Highs 59 to 66. Northeast winds up to 10 mph in the morning,
becoming light in the afternoon.
.MONDAY NIGHT...Clear. Lows 37 to 43. Light winds.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 62 to 71. Lows 40 to
45.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy with a 20 percent
chance of rain showers. Lows 42 to 49. Highs 65 to 73.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly cloudy with a chance of rain
showers after midnight. Chance of rain 30 percent. Lows 44 to 49.
.SATURDAY...Partly cloudy with a 30 percent chance of rain
showers. Highs 62 to 69.
&&
TEMPERATURE
Council 39 64 37 66
Cambridge 38 65 36 65
$$
=
ORZ064-050500-
Oregon Lower Treasure Valley-
307 PM MDT Sat Oct 4 2025 /207 PM PDT Sat Oct 4 2025/
.TONIGHT...Partly cloudy. Lows 41 to 47. Northwest winds 10 to
15 mph. Gusts to 30 mph this evening.
.SUNDAY...Sunny. Highs 63 to 68. Northwest winds 10 to 15 mph
with gusts to 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows 36 to 41. Northwest winds up
to 10 mph with gusts to 20 mph.
.MONDAY...Areas of fog in the morning. Sunny. Highs 62 to 67.
Light winds.
.MONDAY NIGHT...Clear. Areas of fog after midnight. Lows 36 to
41. Light winds.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 66 to 71.
.TUESDAY NIGHT...Clear. Lows 38 to 43.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 68 to 73.
.WEDNESDAY NIGHT...Mostly clear. Lows 40 to 45.
.THURSDAY...Mostly sunny. Highs 68 to 73.
.THURSDAY NIGHT...Mostly clear. Lows 41 to 46.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
morning. Patchy fog in the morning. Chance of rain 20 percent.
Highs 69 to 74.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows 42 to 47.
.SATURDAY...Patchy fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 66 to 71.
&&
TEMPERATURE
Ontario 41 66 36 66
$$
=
IDZ012-050500-
Lower Treasure Valley-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Partly cloudy. Lows 40 to 45. Breezy. Northwest winds
10 to 20 mph with gusts to 30 mph.
.SUNDAY...Patchy fog in the morning. Sunny. Highs 62 to 67.
Northwest winds 10 to 15 mph with gusts to 25 mph.
.SUNDAY NIGHT...Mostly clear. Areas of fog after midnight. Lows
36 to 41. Northwest winds up to 10 mph with gusts to 20 mph.
.MONDAY...Areas of fog in the morning. Sunny. Highs 62 to 67.
Light winds.
.MONDAY NIGHT...Clear. Areas of fog after midnight. Lows 36 to
41. Light winds.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 65 to 70.
.TUESDAY NIGHT...Clear. Lows 39 to 44.
.WEDNESDAY...Patchy fog in the morning. Sunny. Highs 69 to 74.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers
after midnight. Chance of rain 20 percent. Lows 42 to 47.
.THURSDAY...Mostly sunny. Highs 68 to 73.
.THURSDAY NIGHT...Mostly clear. Lows 42 to 47.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
morning. Patchy fog in the morning. Chance of rain 20 percent.
Highs 69 to 74.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Patchy fog after midnight. Lows 42 to 47.
.SATURDAY...Areas of fog in the morning. Partly cloudy with a
30 percent chance of rain showers. Highs 66 to 71.
&&
TEMPERATURE
Caldwell 41 66 37 66
$$
=
IDZ014-050500-
Upper Treasure Valley-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Mostly clear. Lows 37 to 42. Windy. Northwest winds
15 to 25 mph. Gusts to 40 mph this evening, decreasing to 30 mph
after midnight.
.SUNDAY...Sunny. Areas of fog in the morning. A slight chance of
rain showers in the afternoon. Chance of rain 20 percent. Highs
60 to 65. Breezy. Northwest winds 10 to 20 mph.
.SUNDAY NIGHT...Mostly clear. Areas of fog and frost after
midnight. Lows 34 to 41. Northwest winds 10 to 15 mph in the
evening, shifting to east after midnight.
.MONDAY...Areas of fog and frost in the morning. Sunny. Highs
62 to 67. Southeast winds up to 10 mph.
.MONDAY NIGHT...Clear. Areas of fog after midnight. Lows 34 to
43. Light winds.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 67 to 72.
.TUESDAY NIGHT...Clear. Lows 38 to 47.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 71 to 77. Lows
40 to 49.
.FRIDAY NIGHT...Increasing clouds. A 20 percent chance of rain
showers. Lows 41 to 49.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 68 to 73.
&&
TEMPERATURE
Boise 42 64 41 64
Mountain Home 40 64 36 65
$$
=
IDZ016-050500-
Western Magic Valley-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Partly cloudy. Lows 37 to 42. Windy. West winds 15 to
25 mph. Gusts to 45 mph this evening, decreasing to 35 mph after
midnight.
.SUNDAY...Mostly sunny. Areas of fog in the morning. A chance of
rain showers, mainly in the afternoon. Chance of rain 30 percent.
Highs 54 to 59. West winds 10 to 15 mph with gusts to 25 mph.
.SUNDAY NIGHT...Mostly clear. Patchy fog in the evening. Areas of
fog with patchy frost after midnight. Lows 33 to 38. Northwest
winds around 10 mph in the evening, becoming light after
midnight.
.MONDAY...Areas of fog and frost in the morning. Sunny. Highs
58 to 63. East winds around 10 mph.
.MONDAY NIGHT...Clear. Patchy fog after midnight. Lows 33 to 38.
Light winds.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 63 to 68.
.TUESDAY NIGHT...Clear. Lows 37 to 42.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 69 to 75. Lows
41 to 46.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 42 to 47.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 66 to 71.
&&
TEMPERATURE
Jerome 40 56 36 60
Twin Falls 39 56 34 59
$$
=
IDZ029-050500-
Owyhee Mountains-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Mostly cloudy this evening, then clearing. Widespread
frost with patchy fog after midnight. Lows 32 to 42.
.SUNDAY...Widespread frost with patchy fog in the morning. Sunny.
Highs 53 to 58.
.SUNDAY NIGHT...Mostly clear. Widespread frost with areas of fog
after midnight. Lows 30 to 40.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 55 to 62.
.MONDAY NIGHT...Clear. Patchy fog after midnight. Lows 33 to 42.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 60 to 67.
.TUESDAY NIGHT...Clear. Lows 38 to 45.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 64 to 71.
Lows 40 to 47.
.THURSDAY...Mostly sunny. Highs 62 to 71.
.THURSDAY NIGHT...Mostly clear. Lows 39 to 47.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of
rain showers. Highs 63 to 72. Lows 41 to 48.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 60 to 67.
$$
=
IDZ015-050500-
Southwest Highlands-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Partly cloudy. Areas of frost with patchy fog after
midnight. Lows 33 to 38. Breezy. Gusts to 40 mph this evening.
.SUNDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 53 to 59.
.SUNDAY NIGHT...Mostly clear. Widespread frost with patchy fog
after midnight. Lows 31 to 36.
.MONDAY...Widespread frost with patchy fog in the morning. Sunny.
Highs 57 to 63.
.MONDAY NIGHT...Mostly clear. Lows 31 to 36.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 63 to 68. Lows
37 to 42.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 68 to 73.
Lows 38 to 44.
.THURSDAY...Mostly sunny. Highs 67 to 72.
.THURSDAY NIGHT...Mostly clear. Lows 39 to 44.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 68 to 73.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 39 to 45.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 64 to 70.
$$
=
IDZ030-050500-
Southern Twin Falls County-
307 PM MDT Sat Oct 4 2025
.TONIGHT...Partly cloudy. Lows 35 to 40. Windy. West winds around
25 mph with gusts to 45 mph this evening.
.SUNDAY...Mostly sunny. Widespread frost with areas of fog in the
morning. A chance of rain showers in the afternoon. Chance of
rain 30 percent. Highs 52 to 57.
.SUNDAY NIGHT...Mostly clear. Patchy fog in the evening.
Widespread frost with areas of fog after midnight. Lows 31 to 36.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 56 to 61.
.MONDAY NIGHT...Mostly clear. Lows 32 to 37.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 62 to 67.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 38 to
46. Highs 68 to 73.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 69 to 74.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 30 percent chance
of rain showers. Lows 43 to 48. Highs 66 to 71.
$$
=
ORZ062-050500-
Baker County-
207 PM PDT Sat Oct 4 2025
.TONIGHT...Partly cloudy this evening, then clearing. Widespread
frost with areas of fog after midnight. Lows 31 to 41. Breezy.
Northwest winds 10 to 20 mph with gusts to 35 mph this evening,
decreasing to around 10 mph after midnight.
.SUNDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 57 to 65. Northwest winds 10 to 15 mph with gusts to
25 mph.
.SUNDAY NIGHT...Mostly clear. Widespread frost with areas of fog
after midnight. Lows 26 to 37. North winds 10 to 15 mph. Gusts to
25 mph in the evening.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 60 to 67. Light winds.
.MONDAY NIGHT...Clear. Patchy fog after midnight. Lows 29 to 40.
Light winds.
.TUESDAY...Areas of fog in the morning. Sunny. Highs 62 to 69.
.TUESDAY NIGHT...Clear. Patchy fog after midnight. Lows 32 to 43.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 65 to 71.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Patchy fog after midnight. Lows 33 to 44.
.THURSDAY...Areas of fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 65 to 73.
.THURSDAY NIGHT...Decreasing clouds. A 20 percent chance of rain
showers. Lows 36 to 46.
.FRIDAY...Areas of fog in the morning. Partly cloudy with a
20 percent chance of rain showers. Highs 67 to 73.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of rain
showers. Patchy fog after midnight. Lows 36 to 46.
.SATURDAY...Areas of fog in the morning. Partly cloudy with a
30 percent chance of rain showers. Highs 63 to 69.
&&
TEMPERATURE
Baker City 31 60 26 65
$$
=
ORZ061-050500-
Harney County-
207 PM PDT Sat Oct 4 2025
.TONIGHT...Mostly cloudy this evening, then clearing. Patchy fog
this evening. Widespread frost with areas of fog after midnight.
Lows 28 to 36. Northwest winds 10 to 15 mph. Gusts to 30 mph this
evening.
.SUNDAY...Widespread frost with areas of fog in the morning.
Mostly sunny. Highs 54 to 61. North winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows 24 to 34. Northeast winds up to 10 mph. Gusts to 20 mph in
the evening.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 57 to 65. Light winds in the morning, becoming east
10 to 15 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows 26 to 35. East winds 10 to 15 mph.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 62 to 70.
.TUESDAY NIGHT...Clear. Lows 29 to 40.
.WEDNESDAY...Areas of fog in the morning. Sunny. Highs 65 to 73.
.WEDNESDAY NIGHT...Increasing clouds. Lows 31 to 41.
.THURSDAY THROUGH FRIDAY NIGHT...Partly cloudy with a 20 percent
chance of rain showers. Highs 63 to 72. Lows 31 to 42.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 59 to 68.
&&
TEMPERATURE
Burns 28 60 24 64
$$
=
ORZ063-050500-
Malheur County-
307 PM MDT Sat Oct 4 2025 /207 PM PDT Sat Oct 4 2025/
.TONIGHT...Partly cloudy. Areas of fog and frost after midnight.
Lows 33 to 43. Breezy. Northwest winds 10 to 20 mph this evening,
decreasing to around 10 mph after midnight.
.SUNDAY...Areas of fog and frost in the morning. Sunny. Highs
57 to 64. North winds 10 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Widespread frost with areas of fog
after midnight. Lows 29 to 39. North winds up to 10 mph with
gusts to 20 mph.
.MONDAY...Widespread frost with areas of fog in the morning.
Sunny. Highs 60 to 65. Northeast winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 29 to 39. Northeast winds up to
10 mph.
.TUESDAY...Patchy fog in the morning. Sunny. Highs 63 to 69.
.TUESDAY NIGHT...Clear. Lows 34 to 42.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 66 to 73.
Lows 36 to 44.
.THURSDAY...Partly cloudy. A slight chance of rain showers in the
morning. Chance of rain 20 percent. Highs 66 to 71.
.THURSDAY NIGHT...Decreasing clouds. Lows 37 to 45.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of
rain showers. Highs 67 to 73. Lows 37 to 45.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 64 to 69.
$$
=