Zone Forecast Product
Issued by NWS Boise, ID

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FPUS55 KBOI 162019
ZFPBOI

Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
218 PM MDT Fri May 16 2025

Spot temperatures are for tonight, Saturday, Saturday night, and
Sunday.


IDZ011-170400-
West Central Mountains-
219 PM MDT Fri May 16 2025

.TONIGHT...Mostly cloudy. Lows 33 to 42.
.SATURDAY...A chance of rain and snow showers in the morning,
then rain showers with a slight chance of thunderstorms in the
afternoon. Thunderstorms may produce gusty winds in the
afternoon. Chance of precipitation 80 percent. No snow
accumulation. Highs 45 to 57.
.SATURDAY NIGHT...Snow showers. Rain showers. A slight chance of
thunderstorms in the evening. Thunderstorms may produce gusty
winds in the evening. Chance of precipitation near 100 percent.
No snow accumulation across the lower elevations, with snow
accumulation up to 3 inches over the mountains. Lows 31 to 37.
.SUNDAY...Rain and snow showers, mainly in the morning. Chance of
precipitation 90 percent. Light snow accumulations possible.
Highs 36 to 51.
.SUNDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly cloudy after midnight. Chance of snow
30 percent. Lows 25 to 34.
.MONDAY...Mostly sunny. Not as cool with highs 48 to 63.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain and
snow showers in the evening, then mostly clear after midnight.
Chance of precipitation 20 percent. Lows 32 to 40.
.TUESDAY...Partly cloudy. A slight chance of rain and snow
showers in the morning, then a chance of rain showers with a
slight chance of thunderstorms in the afternoon. Chance of
precipitation 30 percent. Highs 51 to 66.
.TUESDAY NIGHT...Mostly clear. Lows 32 to 41.
.WEDNESDAY...Mostly sunny. Highs 54 to 69.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of rain showers
in the evening, then a chance of rain and snow showers after
midnight. Chance of precipitation 30 percent. Lows 36 to 44.
.THURSDAY...A slight chance of snow showers in the morning.
Partly cloudy with a slight chance of rain showers. Chance of
precipitation 20 percent. Highs 54 to 68.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 34 to 42. Highs
58 to 71.

&&
                  TEMPERATURE
McCall          34  52  33  44

$$
=

IDZ013-170400-
Boise Mountains-
219 PM MDT Fri May 16 2025

.TONIGHT...Increasing clouds. Lows 27 to 42.
.SATURDAY...Rain and snow showers likely in the morning, then
rain showers with a chance of thunderstorms in the afternoon.
Thunderstorms may produce gusty winds in the afternoon. Chance of
precipitation 90 percent. Snow accumulation up to 1 inch. Highs
41 to 56.
.SATURDAY NIGHT...Rain showers. A chance of thunderstorms in the
evening, then snow showers after midnight. Thunderstorms may
produce gusty winds in the evening. Chance of precipitation
90 percent. No snow accumulation across the lower elevations,
with snow accumulation up to 2 inches over the mountains. Lows
29 to 40.
.SUNDAY...Rain and snow showers, mainly in the morning. Chance of
precipitation 80 percent. Light snow accumulations possible.
Highs 37 to 52. Breezy.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of snow
showers in the evening, then mostly clear after midnight. Chance
of snow 20 percent. Lows 20 to 35. Breezy.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 52 to 67. Lows
26 to 41.
.TUESDAY NIGHT...Clear. Lows 28 to 43.
.WEDNESDAY...Sunny. Highs 59 to 74.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 32 to 47.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 60 to 74. Lows
29 to 44.

&&
                  TEMPERATURE
Idaho City      35  54  31  51

$$
=

IDZ028-170400-
Camas Prairie-
219 PM MDT Fri May 16 2025

.TONIGHT...Increasing clouds. Lows 32 to 37. Breezy. West winds
10 to 20 mph with gusts to 30 mph this evening, becoming light
after midnight.
.SATURDAY...A chance of rain showers in the morning, then rain
showers with a chance of thunderstorms in the afternoon.
Thunderstorms may produce gusty winds in the afternoon. Chance of
rain 90 percent. Highs 52 to 57. East winds around 10 mph.
.SATURDAY NIGHT...Rain showers with a chance of thunderstorms in
the evening, then rain showers likely after midnight.
Thunderstorms may produce gusty winds in the evening. Chance of
rain 80 percent. Lows 33 to 38. Windy. West winds 10 to 15 mph in
the evening, increasing to 15 to 25 mph after midnight.
.SUNDAY...Decreasing clouds. Rain showers likely. Snow showers
likely, mainly in the morning. Chance of precipitation
60 percent. Little snow accumulation expected. Highs 46 to 51.
Very windy. West winds 25 to 35 mph. Gusts to 45 mph in the
afternoon.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain and
snow showers in the evening, then mostly clear after midnight.
Chance of precipitation 20 percent. Lows 25 to 30. Windy.
Northwest winds 20 to 30 mph with gusts to 40 mph in the evening,
decreasing to 10 to 20 mph after midnight.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 54 to 59. Lows
30 to 35. Breezy.
.TUESDAY AND TUESDAY NIGHT...Clear. Highs 60 to 65. Lows 33 to
38. Breezy.
.WEDNESDAY...Sunny. Highs 64 to 69.
.WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 62 to 71. Lows
34 to 39. Breezy.

&&
                  TEMPERATURE
Fairfield       32  55  34  49

$$
=

IDZ033-170400-
Upper Weiser River-
219 PM MDT Fri May 16 2025

.TONIGHT...Increasing clouds. Lows 43 to 48. Light winds.
.SATURDAY...Rain showers likely in the morning, then rain showers
with a slight chance of thunderstorms in the afternoon.
Thunderstorms may produce gusty winds in the afternoon. Chance of
rain 80 percent. Highs 52 to 59. Light winds.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Rain showers. Thunderstorms may produce gusty winds in
the evening. Chance of rain 90 percent. Lows 39 to 44. Northwest
winds 10 to 15 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 50 to 56. Northwest winds 10 to 15 mph with
gusts to 25 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
34 to 39. Northwest winds 10 to 15 mph. Gusts to 25 mph in the
evening.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 65 to 75. Lows
41 to 46.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 44 to 49.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 68 to 76. Lows
42 to 47.

&&
                  TEMPERATURE
Council         43  59  40  55
Cambridge       44  58  42  56

$$
=

IDZ012-ORZ064-170400-
Lower Treasure Valley-Oregon Lower Treasure Valley-
219 PM MDT Fri May 16 2025 /119 PM PDT Fri May 16 2025/

.TONIGHT...Partly cloudy this evening, then mostly cloudy with a
slight chance of rain showers after midnight. Chance of rain
20 percent. Lows 46 to 51. Northeast winds up to 10 mph.
.SATURDAY...A slight chance of thunderstorms. Rain showers.
Thunderstorms may produce gusty winds. Chance of rain 90 percent.
Cooler with highs 54 to 59. Light winds in the morning, becoming
north 10 to 15 mph in the afternoon.
.SATURDAY NIGHT...Rain showers with a slight chance of
thunderstorms in the evening, then rain showers likely after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of rain 80 percent. Lows 40 to 45. Breezy. Northwest winds
10 to 20 mph with gusts to 30 mph.
.SUNDAY...Partly cloudy with a 30 percent chance of rain showers.
Highs 55 to 60. Windy. Northwest winds 20 to 30 mph with gusts to
40 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
37 to 42. Breezy. Northwest winds 10 to 20 mph. Gusts to 35 mph
in the evening, decreasing to 25 mph after midnight.
.MONDAY AND MONDAY NIGHT...Mostly clear. Warmer. Highs 67 to 72.
Lows 43 to 48.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 73 to 79. Lows
44 to 49.
.WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 73 to 81. Lows
45 to 50.

&&
                  TEMPERATURE
Caldwell        48  57  43  58
Ontario         47  57  44  60

$$
=

IDZ014-170400-
Upper Treasure Valley-
219 PM MDT Fri May 16 2025

.TONIGHT...Increasing clouds. Lows 43 to 48. North winds 10 to
15 mph with gusts to 25 mph this evening, becoming light after
midnight.
.SATURDAY...Rain showers likely with a slight chance of
thunderstorms in the morning, then rain showers with a chance of
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the morning. Thunderstorms may produce gusty winds in
the afternoon. Chance of rain 90 percent. Highs 55 to 62. East
winds around 10 mph in the morning, shifting to northwest with
gusts to 25 mph in the afternoon.
.SATURDAY NIGHT...Rain showers with a chance of thunderstorms in
the evening, then a chance of rain showers after midnight.
Thunderstorms may produce gusty winds in the evening. Chance of
rain 80 percent. Lows 39 to 44. Windy. Northwest winds 15 to
25 mph with gusts to 35 mph.
.SUNDAY...Partly cloudy with a 30 percent chance of rain showers.
Highs 54 to 59. Windy. Northwest winds 20 to 30 mph with gusts to
45 mph.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 35 to 40. Windy. Northwest winds 20 to
30 mph with gusts to 45 mph in the evening, decreasing to 10 to
20 mph with gusts to 35 mph after midnight.
.MONDAY AND MONDAY NIGHT...Mostly clear. Warmer. Highs 65 to 70.
Lows 40 to 45. Breezy.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 72 to 81. Lows
43 to 48.
.WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 49.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 74 to 82. Lows
43 to 48.

&&
                  TEMPERATURE
Boise           48  57  43  56
Mountain Home   44  59  40  56

$$
=

IDZ016-170400-
Western Magic Valley-
219 PM MDT Fri May 16 2025

.TONIGHT...Increasing clouds. Lows 40 to 45. Breezy. West winds
10 to 20 mph this evening, shifting to southeast around 10 mph
after midnight.
.SATURDAY...Increasing clouds. A chance of rain showers in the
morning, then rain showers with a chance of thunderstorms in the
afternoon. Thunderstorms may produce gusty winds in the
afternoon. Chance of rain 90 percent. Highs 59 to 64. East winds
around 10 mph in the morning, shifting to west in the afternoon.
Gusts to 20 mph.
.SATURDAY NIGHT...Rain showers with a chance of thunderstorms in
the evening, then rain showers likely after midnight.
Thunderstorms may produce gusty winds in the evening. Chance of
rain 80 percent. Lows 39 to 44. Windy. West winds 15 to 25 mph.
Gusts to 30 mph in the evening, increasing to 40 mph after
midnight.
.SUNDAY...Decreasing clouds. A 40 percent chance of rain showers.
Highs 50 to 56. Windy. West winds 20 to 30 mph with gusts to
45 mph.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then partly cloudy after midnight. Chance
of rain 20 percent. Lows 34 to 39. Windy. West winds 20 to 30 mph
in the evening, decreasing to 10 to 20 mph after midnight. Gusts
to 40 mph.
.MONDAY AND MONDAY NIGHT...Mostly clear. Warmer. Highs 60 to 65.
Lows 38 to 43. Windy.
.TUESDAY AND TUESDAY NIGHT...Clear. Highs 70 to 75. Lows 42 to
47.
.WEDNESDAY...Sunny. Highs 74 to 79.
.WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 49.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 72 to 80. Lows
43 to 48.

&&
                  TEMPERATURE
Jerome          42  60  41  50
Twin Falls      42  62  40  52

$$
=

IDZ029-170400-
Owyhee Mountains-
219 PM MDT Fri May 16 2025

.TONIGHT...Mostly cloudy. A slight chance of rain showers after
midnight. Chance of rain 20 percent. Lows 41 to 47.
.SATURDAY...Rain showers with a chance of thunderstorms.
Thunderstorms may produce gusty winds. Chance of rain near
100 percent. Highs 47 to 53. Temperature falling into the upper
40s in the afternoon.
.SATURDAY NIGHT...Rain showers with a chance of thunderstorms in
the evening, then rain and snow showers likely after midnight.
Thunderstorms may produce gusty winds in the evening. Chance of
precipitation 90 percent. Little or no snow accumulation. Lows
32 to 38. Windy. Northwest winds around 25 mph after midnight.
.SUNDAY...Decreasing clouds. A chance of rain and snow showers.
Chance of precipitation 50 percent. Highs 47 to 52. Windy.
Northwest winds 25 to 30 mph with gusts to 40 mph.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain and
snow showers in the evening, then mostly clear after midnight.
Chance of precipitation 20 percent. Lows 30 to 37. Windy.
Northwest winds around 25 mph with gusts to 35 mph in the
evening.
.MONDAY AND MONDAY NIGHT...Mostly clear. Warmer. Highs 60 to 65.
Lows 38 to 45.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 65 to 74. Lows
40 to 46.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 42 to 47.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 66 to 74. Lows
40 to 46.

$$
=

IDZ015-170400-
Southwest Highlands-
219 PM MDT Fri May 16 2025

.TONIGHT...Partly cloudy this evening, then mostly cloudy with a
slight chance of rain showers after midnight. Chance of rain
20 percent. Lows 40 to 45.
.SATURDAY...Rain showers with a chance of thunderstorms.
Thunderstorms may produce gusty winds. Chance of rain near
100 percent. Highs 54 to 60.
.SATURDAY NIGHT...Rain showers. A chance of thunderstorms in the
evening, then snow showers after midnight. Thunderstorms may
produce gusty winds in the evening. Chance of precipitation near
100 percent. No snow accumulation. Lows 34 to 41. Breezy.
.SUNDAY...Rain and snow showers likely in the morning, then
partly cloudy with a chance of rain and snow showers in the
afternoon. Chance of precipitation 60 percent. Little snow
accumulation expected. Highs 46 to 54. Windy. Northwest winds
25 to 30 mph with gusts to 45 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers in the evening, then partly cloudy with a slight chance
of rain and snow showers after midnight. Chance of precipitation
30 percent. Lows 30 to 36. Windy. Northwest winds around 25 mph
with gusts to 40 mph in the evening.
.MONDAY AND MONDAY NIGHT...Mostly clear. Warmer. Highs 57 to 64.
Lows 36 to 42. Breezy.
.TUESDAY THROUGH FRIDAY...Mostly clear. Highs 68 to 78. Lows
40 to 46.

$$
=

IDZ030-170400-
Southern Twin  Falls County-
219 PM MDT Fri May 16 2025

.TONIGHT...Partly cloudy. Lows 38 to 43.
.SATURDAY...Rain showers likely with a slight chance of
thunderstorms in the morning, then rain showers with a chance of
thunderstorms in the afternoon. Thunderstorms may produce gusty
winds in the morning. Thunderstorms may produce gusty winds in
the afternoon. Chance of rain near 100 percent. Highs 59 to 64.
Temperature falling into the mid 50s in the afternoon.
.SATURDAY NIGHT...A chance of thunderstorms in the evening. Rain
showers. Thunderstorms may produce gusty winds in the evening.
Chance of rain near 100 percent. Lows 36 to 41. Windy. West winds
around 25 mph with gusts to 35 mph after midnight.
.SUNDAY...Rain and snow showers likely, mainly in the morning.
Chance of precipitation 60 percent. Little snow accumulation
expected. Cooler with highs 47 to 53. Windy. West winds 25 to
30 mph with gusts to 45 mph.
.SUNDAY NIGHT...Mostly cloudy. A chance of rain and snow showers,
mainly in the evening. Chance of precipitation 30 percent. Lows
32 to 37. Windy. West winds around 25 mph with gusts to 40 mph.
.MONDAY...Mostly sunny. Not as cool with highs 56 to 61. Breezy.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Warmer. Lows
38 to 46. Highs 68 to 73. Breezy.
.WEDNESDAY...Sunny. Highs 72 to 77.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 44 to 49.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 71 to 78. Lows
42 to 47.

$$
=

ORZ062-170400-
Baker County-
119 PM PDT Fri May 16 2025

.TONIGHT...Mostly cloudy. A chance of rain showers after
midnight. Chance of rain 50 percent. Lows 38 to 46. Northwest
winds up to 10 mph.
.SATURDAY...Rain showers. A slight chance of thunderstorms in the
afternoon. Thunderstorms may produce gusty winds in the
afternoon. Chance of rain 90 percent. Highs 49 to 58. Light winds
in the morning, becoming northwest 10 to 15 mph with gusts to
25 mph in the afternoon.
.SATURDAY NIGHT...Rain showers with a slight chance of
thunderstorms in the evening, then a chance of rain and snow
showers after midnight. Thunderstorms may produce gusty winds in
the evening. Chance of precipitation 80 percent. Snow
accumulation up to 1 inch. Lows 33 to 41. Breezy. Northwest winds
10 to 20 mph with gusts to 40 mph.
.SUNDAY...Partly cloudy with a chance of rain and snow showers.
Chance of precipitation 30 percent. Highs 47 to 57. Windy.
Northwest winds 15 to 25 mph with gusts to 40 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
30 to 37. Breezy. Northwest winds 10 to 20 mph. Gusts to 40 mph
in the evening, decreasing to 25 mph after midnight.
.MONDAY AND MONDAY NIGHT...Partly cloudy. A 20 percent chance of
rain showers. Warmer. Highs 61 to 69. Lows 35 to 43.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 64 to 73. Lows
34 to 43.
.WEDNESDAY...Mostly sunny. Highs 67 to 75.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 37 to 45.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 66 to 76. Lows
36 to 44.

&&
                  TEMPERATURE
Baker City      39  55  36  53

$$
=

ORZ061-170400-
Harney County-
119 PM PDT Fri May 16 2025

.TONIGHT...Rain showers likely after midnight. Chance of rain
60 percent. Lows 41 to 47. North winds up to 10 mph.
.SATURDAY...Rain showers with a slight chance of thunderstorms in
the morning, then rain showers with a chance of thunderstorms in
the afternoon. Thunderstorms may produce gusty winds in the
morning. Thunderstorms may produce gusty winds in the afternoon.
Chance of rain near 100 percent. Highs 50 to 55. Breezy. North
winds up to 10 mph in the morning, increasing to northwest 10 to
20 mph with gusts to 30 mph in the afternoon.
.SATURDAY NIGHT...Decreasing clouds. Rain showers likely with a
chance of thunderstorms in the evening, then a slight chance of
rain and snow showers after midnight. Thunderstorms may produce
gusty winds in the evening. Chance of precipitation 60 percent.
Little or no snow accumulation. Colder with lows 31 to 36. Windy.
Northwest winds 15 to 25 mph.
.SUNDAY...Partly cloudy. 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 48 to 53. Windy.
Northwest winds 15 to 25 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
27 to 33. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph
in the evening.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 63 to 71.
Lows 34 to 41.
.WEDNESDAY...Sunny. Highs 70 to 75.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 37 to 43.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 67 to 76. Lows
37 to 43.

&&
                  TEMPERATURE
Burns           41  55  32  51

$$
=

ORZ063-170400-
Malheur County-
219 PM MDT Fri May 16 2025 /119 PM PDT Fri May 16 2025/

.TONIGHT...Mostly cloudy. A chance of rain showers after
midnight. Chance of rain 30 percent. Lows 41 to 48. Northeast
winds up to 10 mph.
.SATURDAY...A chance of thunderstorms. Rain showers.
Thunderstorms may produce gusty winds. Chance of rain near
100 percent. Highs 51 to 57. North winds 10 to 15 mph. Gusts to
25 mph in the afternoon.
.SATURDAY NIGHT...Rain showers with a chance of thunderstorms in
the evening, then a chance of rain and snow showers after
midnight. Thunderstorms may produce gusty winds in the evening.
Chance of precipitation 80 percent. No snow accumulation. Lows
33 to 42. Breezy. Northwest winds 10 to 20 mph with gusts to
30 mph.
.SUNDAY...Partly cloudy with a chance of rain and snow showers,
mainly in the afternoon. Chance of precipitation 30 percent.
Highs 49 to 57. Windy. Northwest winds 15 to 25 mph with gusts to
40 mph.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
29 to 39. Windy. Northwest winds 15 to 25 mph with gusts to
35 mph in the evening, decreasing to 10 to 15 mph after midnight.
.MONDAY AND MONDAY NIGHT...Mostly clear. Warmer. Highs 62 to 71.
Lows 37 to 47.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 68 to 77. Lows
39 to 47.
.WEDNESDAY NIGHT...Partly cloudy. Lows 40 to 48.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 69 to 79. Lows
40 to 48.

$$
=