Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
498
FPUS55 KBOI 180908
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
207 AM MST Tue Nov 18 2025
Spot temperatures are for today, tonight, and Wednesday.
IDZ011-181700-
West Central Mountains-
207 AM MST Tue Nov 18 2025
.TODAY...Decreasing clouds. A chance of rain and snow. Areas of
fog. Chance of precipitation 30 percent. Highs 40 to 52.
.TONIGHT...Mostly cloudy with a chance of rain and snow. Areas of
fog. Chance of precipitation 30 percent. Lows 31 to 37.
.WEDNESDAY...Partly cloudy. A chance of rain and snow, mainly in
the morning. Areas of fog in the morning. Patchy fog in the
afternoon. Chance of precipitation 30 percent. Highs 40 to 51.
.WEDNESDAY NIGHT...Mostly clear. Areas of fog. Lows 29 to 36.
.THURSDAY...Areas of fog in the morning. Partly cloudy with a
slight chance of rain and snow. Chance of precipitation
20 percent. Highs 42 to 54.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Areas of fog. Lows
25 to 33. Highs 42 to 53.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Areas of fog. Lows
25 to 32. Highs 40 to 50.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain. A
chance of snow, mainly after midnight. Areas of fog. Chance of
precipitation 30 percent. Lows 27 to 34.
.SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A chance of rain and
snow. Areas of fog in the morning. Areas of fog through the day.
Chance of precipitation 30 percent. Highs 38 to 49. Lows 26 to
34.
.MONDAY...Decreasing clouds. Areas of fog in the morning. A
chance of rain and snow. Chance of precipitation 50 percent.
Highs 36 to 48.
&&
TEMPERATURE
McCall 48 32 48
$$
=
IDZ013-181700-
Boise Mountains-
207 AM MST Tue Nov 18 2025
.TODAY...Mostly sunny. Areas of fog. A slight chance of rain this
afternoon. Chance of rain 20 percent. Highs 44 to 56.
.TONIGHT...Partly cloudy with a slight chance of snow. Areas of
fog. A slight chance of rain after midnight. Chance of
precipitation 20 percent. Lows 29 to 39.
.WEDNESDAY...Partly cloudy. A slight chance of rain and snow in
the morning. Areas of fog in the morning. Patchy fog in the
afternoon. Chance of precipitation 20 percent. Highs 43 to 55.
.WEDNESDAY NIGHT...Mostly clear. Areas of fog. Lows 27 to 39.
.THURSDAY...Partly cloudy with a slight chance of rain and snow.
Areas of fog in the morning. Patchy fog in the afternoon. Chance
of precipitation 20 percent. Highs 43 to 56.
.THURSDAY NIGHT THROUGH SATURDAY...Areas of fog. Areas of fog.
Mostly clear. Lows 23 to 36. Highs 42 to 55.
.SATURDAY NIGHT...Partly cloudy. Areas of fog. Lows 25 to 36.
.SUNDAY...Partly cloudy. A slight chance of rain and snow in the
morning. Areas of fog in the morning. Chance of precipitation
20 percent. Highs 40 to 53.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain and
snow in the evening, then mostly cloudy with a chance of rain and
snow after midnight. Areas of fog. Chance of precipitation
30 percent. Lows 25 to 36.
.MONDAY...Areas of fog in the morning. Partly cloudy with a
chance of rain and snow. Chance of precipitation 40 percent.
Highs 39 to 51.
&&
TEMPERATURE
Idaho City 56 32 55
$$
=
IDZ028-181700-
Camas Prairie-
207 AM MST Tue Nov 18 2025
.TODAY...Patchy fog this morning. Mostly sunny. Highs 49 to 54.
East winds around 10 mph.
.TONIGHT...Increasing clouds. Areas of fog. Lows 29 to 34. Light
winds.
.WEDNESDAY...Areas of fog in the morning. Mostly sunny. Highs
48 to 53. Light winds.
.WEDNESDAY NIGHT...Increasing clouds. Lows 28 to 33. Northeast
winds around 10 mph.
.THURSDAY...Sunny. Highs 50 to 55. Light winds.
.THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
22 to 27.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 48 to 53.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Patchy fog through the
day. Lows 20 to 26. Highs 46 to 51.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Patchy fog through
the day. Lows 21 to 26. Highs 47 to 52.
.SUNDAY NIGHT...Partly cloudy. A slight chance of rain after
midnight. Patchy fog after midnight. Chance of rain 20 percent.
Lows 22 to 27.
.MONDAY...Partly cloudy. A chance of rain and snow, mainly in the
morning. Chance of precipitation 30 percent. Highs 45 to 50.
&&
TEMPERATURE
Fairfield 52 29 51
$$
=
IDZ033-181700-
Upper Weiser River-
207 AM MST Tue Nov 18 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST /9 AM PST/ THIS
MORNING...
.TODAY...Decreasing clouds. A 20 percent chance of rain. Areas of
fog this morning. Patchy fog this afternoon. Highs 49 to 55.
Light winds.
.TONIGHT...Partly cloudy. Areas of fog. Lows 36 to 41. Light
winds.
.WEDNESDAY...Partly cloudy. A slight chance of rain in the
morning. Areas of fog in the morning. Patchy fog in the
afternoon. Chance of rain 20 percent. Highs 48 to 55. Light
winds.
.WEDNESDAY NIGHT...Increasing clouds. Areas of fog. Lows 33 to
39. Light winds.
.THURSDAY...Partly cloudy. A slight chance of rain in the
morning. Areas of fog in the morning. Chance of rain 20 percent.
Highs 49 to 56. Light winds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Areas of
fog. Patchy fog in the evening, then areas of fog after midnight.
Lows 29 to 36. Highs 48 to 55.
.SATURDAY...Areas of fog in the morning. Mostly sunny. Highs
46 to 52.
.SATURDAY NIGHT...Partly cloudy. Patchy fog in the evening. Areas
of fog after midnight. A slight chance of rain after midnight.
Chance of rain 20 percent. Lows 31 to 36.
.SUNDAY...Mostly sunny. Areas of fog in the morning. A chance of
rain, mainly in the morning. Chance of rain 30 percent. Highs
45 to 51.
.SUNDAY NIGHT...Mostly cloudy. A chance of rain, mainly after
midnight. Areas of fog after midnight. Chance of rain 30 percent.
Lows 31 to 36.
.MONDAY...Decreasing clouds. Areas of fog in the morning. A
40 percent chance of rain. Highs 44 to 50.
&&
TEMPERATURE
Council 55 39 54
Cambridge 55 37 55
$$
=
ORZ064-181700-
Oregon Lower Treasure Valley-
207 AM MST Tue Nov 18 2025 /107 AM PST Tue Nov 18 2025/
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST /9 AM PST/ THIS
MORNING...
.TODAY...Decreasing clouds. Areas of dense fog this morning.
Patchy fog this afternoon. Highs 51 to 56. Light winds.
.TONIGHT...Partly cloudy. Patchy fog in the evening. Areas of fog
after midnight. Lows 37 to 42. Light winds.
.WEDNESDAY...Patchy dense fog in the morning. Mostly sunny. Highs
51 to 56. Light winds.
.WEDNESDAY NIGHT...Increasing clouds. Areas of fog. Lows 36 to
41. Light winds.
.THURSDAY...Areas of fog in the morning. Mostly sunny. Highs
50 to 55. Light winds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Areas of
fog. Lows 28 to 35. Highs 51 to 56.
.SATURDAY THROUGH SUNDAY...Areas of fog in the morning. Patchy
fog in the evening, then areas of fog through the day. Partly
cloudy. Highs 48 to 53. Lows 29 to 34.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A 20 percent chance of
rain. Areas of fog through the day. Lows 30 to 35. Highs 48 to
53.
&&
TEMPERATURE
Ontario 55 38 54
$$
=
IDZ012-181700-
Lower Treasure Valley-
207 AM MST Tue Nov 18 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST /9 AM PST/ THIS
MORNING...
.TODAY...Partly sunny this morning, then clearing. Areas of fog.
Highs 52 to 57. Light winds.
.TONIGHT...Partly cloudy. Areas of dense fog. Lows 37 to 42.
Light winds.
.WEDNESDAY...Decreasing clouds. Areas of dense fog in the
morning. Patchy fog in the afternoon. Highs 51 to 56. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Areas of fog. Lows 35 to 40.
Light winds.
.THURSDAY...Partly cloudy. A slight chance of rain in the
morning. Areas of fog in the morning. Chance of rain 20 percent.
Highs 50 to 55. Light winds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Areas of
fog. Areas of fog through the day. Lows 28 to 35. Highs 51 to 56.
.SATURDAY THROUGH SUNDAY...Areas of fog in the morning. Patchy
fog in the evening, then areas of fog through the day. Partly
cloudy. Highs 49 to 54. Lows 30 to 35.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Patchy fog in the evening. Areas of fog after midnight. Lows
31 to 36.
.MONDAY...Areas of fog in the morning. Mostly cloudy with a
chance of rain in the morning, then partly cloudy with a slight
chance of rain in the afternoon. Chance of rain 30 percent. Highs
49 to 54.
&&
TEMPERATURE
Caldwell 57 38 54
$$
=
IDZ014-181700-
Upper Treasure Valley-
207 AM MST Tue Nov 18 2025
.TODAY...Areas of fog this morning. Mostly sunny. Highs 54 to 59.
Light winds.
.TONIGHT...Increasing clouds. Areas of dense fog. Lows 35 to 40.
Light winds.
.WEDNESDAY...Mostly sunny. Areas of dense fog in the morning.
Patchy fog in the afternoon. Highs 51 to 56. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog. Lows 32 to 37.
Southeast winds up to 10 mph.
.THURSDAY...Partly cloudy. A slight chance of rain in the
morning. Patchy fog in the morning. Chance of rain 20 percent.
Highs 51 to 56. East winds up to 10 mph.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Areas of fog.
Lows 27 to 35. Highs 51 to 56.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 28 to 35.
.SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 52 to
57.
.SUNDAY NIGHT...Increasing clouds. Lows 30 to 36.
.MONDAY...Partly cloudy with a 20 percent chance of rain. Highs
50 to 55.
&&
TEMPERATURE
Boise 56 40 54
Mountain Home 57 36 53
$$
=
IDZ016-181700-
Western Magic Valley-
207 AM MST Tue Nov 18 2025
.TODAY...Patchy fog this morning. Mostly sunny. Highs 54 to 59.
East winds around 10 mph.
.TONIGHT...Increasing clouds. Areas of fog. Lows 32 to 37. Light
winds.
.WEDNESDAY...Areas of fog in the morning. Mostly sunny. Highs
49 to 54. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
32 to 37. East winds up to 10 mph.
.THURSDAY...Patchy fog in the morning. Sunny. Highs 51 to 56.
East winds around 10 mph.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 30 to 35. Highs
48 to 53.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 27 to 32. Highs
49 to 54.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 27 to
34. Highs 49 to 54.
.MONDAY...A slight chance of snow in the morning. Partly cloudy
with a slight chance of rain. Chance of precipitation 20 percent.
Highs 49 to 54.
&&
TEMPERATURE
Jerome 55 36 50
Twin Falls 55 34 49
$$
=
IDZ029-181700-
Owyhee Mountains-
207 AM MST Tue Nov 18 2025
.TODAY...Mostly sunny. Areas of fog this morning. Patchy fog this
afternoon. Highs 46 to 55.
.TONIGHT...Partly cloudy. Areas of fog. Lows 33 to 38.
.WEDNESDAY...Partly cloudy. A slight chance of rain and snow in
the morning. Areas of fog in the morning. Chance of precipitation
20 percent. Highs 45 to 52.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
31 to 38.
.THURSDAY...A chance of snow in the morning. Patchy fog in the
morning. Partly cloudy with a chance of rain. Chance of
precipitation 30 percent. Highs 45 to 51.
.THURSDAY NIGHT...Decreasing clouds. Areas of fog after midnight.
Lows 26 to 34.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Areas of fog in the
morning. Areas of fog after midnight. Highs 47 to 52. Lows 26 to
34.
.SATURDAY...Areas of fog in the morning. Mostly sunny. Highs
46 to 53.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Patchy fog through
the day. Lows 28 to 35. Highs 46 to 53.
.SUNDAY NIGHT...Mostly cloudy. Lows 29 to 36.
.MONDAY...Partly cloudy with a chance of rain and snow. Chance of
precipitation 30 percent. Highs 46 to 51.
$$
=
IDZ015-181700-
Southwest Highlands-
207 AM MST Tue Nov 18 2025
.TODAY...Areas of fog this morning. Mostly sunny. Highs 51 to 56.
.TONIGHT...Partly cloudy. Areas of fog. Lows 29 to 35.
.WEDNESDAY...Areas of fog in the morning. Mostly sunny. Highs
48 to 53.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
30 to 35.
.THURSDAY...A chance of snow in the morning. Patchy fog in the
morning. Partly cloudy with a chance of rain. Chance of
precipitation 30 percent. Highs 48 to 53.
.THURSDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows
27 to 32.
.FRIDAY...Patchy fog in the morning. Sunny. Highs 47 to 52.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Areas of fog through
the day. Lows 24 to 30. Highs 49 to 54.
.SATURDAY NIGHT...Partly cloudy. Lows 26 to 33.
.SUNDAY...Patchy fog in the morning. Mostly sunny. Highs 50 to
55.
.SUNDAY NIGHT...Increasing clouds. Lows 28 to 33.
.MONDAY...A chance of snow in the morning. Partly cloudy with a
chance of rain. Chance of precipitation 30 percent. Highs 49 to
54.
$$
=
IDZ030-181700-
Southern Twin Falls County-
207 AM MST Tue Nov 18 2025
.TODAY...Mostly sunny. Highs 52 to 57.
.TONIGHT...Increasing clouds. Patchy fog. Lows 31 to 36.
.WEDNESDAY...A slight chance of snow in the morning. Patchy fog
in the morning. Partly cloudy with a slight chance of rain.
Chance of precipitation 20 percent. Highs 48 to 53.
.WEDNESDAY NIGHT...Mostly clear. Lows 32 to 37.
.THURSDAY...Partly cloudy. A slight chance of rain in the
afternoon. Chance of rain 20 percent. Highs 50 to 55.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Patchy fog through
the day. Lows 30 to 35. Highs 48 to 53.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Patchy fog through the
day. Lows 27 to 32. Highs 49 to 54.
.SATURDAY NIGHT...Increasing clouds. Lows 29 to 34.
.SUNDAY...Patchy fog in the morning. Mostly sunny. Highs 50 to
55.
.SUNDAY NIGHT...Partly cloudy. Lows 30 to 35.
.MONDAY...Partly cloudy with a slight chance of rain, mixed with
snow in the afternoon. Chance of precipitation 20 percent. Highs
49 to 54.
$$
=
ORZ062-181700-
Baker County-
107 AM PST Tue Nov 18 2025
.TODAY...Mostly sunny. Areas of fog this morning. Patchy fog this
afternoon. Highs 47 to 55. Light winds.
.TONIGHT...Decreasing clouds. Areas of fog. Lows 27 to 37.
Northwest winds up to 10 mph.
.WEDNESDAY...Areas of fog in the morning. Mostly sunny. Highs
46 to 53. Light winds.
.WEDNESDAY NIGHT...Increasing clouds. Areas of fog. Lows 29 to
39. Light winds.
.THURSDAY...Partly cloudy. A slight chance of rain and snow in
the morning. Areas of fog in the morning. Chance of precipitation
20 percent. Highs 48 to 55. Light winds.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Areas of fog. Lows
23 to 33. Highs 49 to 55.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy fog in the
evening. Areas of fog through the day. Lows 25 to 34. Highs 47 to
53.
.SATURDAY NIGHT...Partly cloudy. Patchy fog in the evening. Areas
of fog after midnight. A slight chance of rain after midnight.
Chance of rain 20 percent. Lows 26 to 35.
.SUNDAY...Partly sunny. Areas of fog in the morning. A chance of
rain and snow in the morning, then a slight chance of rain in the
afternoon. Chance of precipitation 30 percent. Highs 46 to 52.
.SUNDAY NIGHT AND MONDAY...Patchy fog in the evening. Areas of
fog through the day. Mostly cloudy with a chance of rain and
snow. Chance of precipitation 30 percent. Lows 27 to 35. Highs
43 to 50.
&&
TEMPERATURE
Baker City 51 30 50
$$
=
ORZ061-181700-
Harney County-
107 AM PST Tue Nov 18 2025
.TODAY...Mostly sunny. Areas of fog. Highs 47 to 52. Light winds.
.TONIGHT...Mostly cloudy. Areas of dense fog. Lows 29 to 36.
Light winds.
.WEDNESDAY...Areas of dense fog in the morning. Partly sunny.
Highs 48 to 53. Southeast winds up to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Areas of fog. A slight chance
of rain and snow after midnight. Chance of precipitation
20 percent. Lows 27 to 35. East winds up to 10 mph.
.THURSDAY...Partly sunny. Areas of fog in the morning. A chance
of rain and snow in the morning, then a slight chance of rain in
the afternoon. Chance of precipitation 30 percent. Highs 45 to
50. East winds up to 10 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Areas of fog. Lows 19 to 29.
.FRIDAY...Areas of fog in the morning. Sunny. Highs 47 to 52.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Areas of fog through
the day. Lows 20 to 30. Highs 48 to 53.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 22 to 32. Highs
50 to 55.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Lows 23 to 32.
.MONDAY...Partly cloudy with a chance of rain and snow. Chance of
precipitation 30 percent. Highs 46 to 51.
&&
TEMPERATURE
Burns 52 29 51
$$
=
ORZ063-181700-
Malheur County-
207 AM MST Tue Nov 18 2025 /107 AM PST Tue Nov 18 2025/
.TODAY...Mostly sunny. Areas of fog this morning. Patchy fog this
afternoon. Highs 49 to 54. Light winds.
.TONIGHT...Increasing clouds. Areas of dense fog. Lows 32 to 40.
Light winds.
.WEDNESDAY...Areas of dense fog in the morning. Mostly sunny.
Highs 48 to 53. Light winds.
.WEDNESDAY NIGHT...Increasing clouds. Areas of fog. Lows 30 to
38. East winds up to 10 mph.
.THURSDAY...A chance of snow in the morning. Areas of fog in the
morning. Partly cloudy with a chance of rain. Chance of
precipitation 30 percent. Highs 47 to 52. Light winds.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Patchy fog in the evening. Areas of fog after midnight. Lows
24 to 32.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Areas of fog in the
morning. Patchy fog in the evening, then areas of fog after
midnight. Highs 49 to 54. Lows 24 to 32.
.SATURDAY...Areas of fog in the morning. Mostly sunny. Highs
48 to 53.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 25 to 33.
.SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 48 to
55.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain.
Patchy fog. Lows 26 to 34.
.MONDAY...Partly sunny. Patchy fog in the morning. A slight
chance of rain and snow in the morning, then a chance of rain in
the afternoon. Chance of precipitation 30 percent. Highs 45 to
53.
$$
=