Zone Forecast Product
Issued by NWS Boise, ID
Issued by NWS Boise, ID
045
FPUS55 KBOI 160831
ZFPBOI
Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
230 AM MDT Sun Aug 16 2026
Spot temperatures are for today, tonight, and Monday.
IDZ011-161600-
West Central Mountains-
230 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Areas of fog this morning. A chance of
rain showers with a slight chance of thunderstorms this
afternoon. Chance of rain 30 percent. Highs 74 to 88.
.TONIGHT...Partly cloudy. Lows 49 to 60.
.MONDAY...Areas of fog in the morning. Mostly cloudy. Highs 76 to
90.
.MONDAY NIGHT...Mostly cloudy. A chance of rain showers, mainly
after midnight. Patchy fog after midnight. Chance of rain
30 percent. Lows 48 to 59.
.TUESDAY...Mostly sunny. Areas of fog in the morning. A slight
chance of rain showers and thunderstorms in the afternoon. Chance
of rain 20 percent. Highs 75 to 89.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 47 to 58.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 76 to 90. Lows
49 to 59.
.THURSDAY NIGHT...Partly cloudy. Lows 51 to 61.
.FRIDAY...Partly cloudy. A chance of showers, mainly in the
afternoon. Chance of rain 30 percent. Highs 78 to 92.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Patchy fog after midnight. Lows 51 to 61.
.SATURDAY...Mostly sunny. Areas of fog in the morning. A slight
chance of showers in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 73 to 87.
&&
TEMPERATURE
McCall 82 48 84
$$
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IDZ013-161600-
Boise Mountains-
230 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Areas of fog this morning. A slight chance
of rain showers and thunderstorms this afternoon. Chance of rain
20 percent. Highs 77 to 92.
.TONIGHT...Increasing clouds. Lows 47 to 62.
.MONDAY...Partly sunny. Highs 78 to 93.
.MONDAY NIGHT...Mostly cloudy. A slight chance of rain showers in
the evening. Chance of rain 20 percent. Lows 47 to 62.
.TUESDAY...Mostly sunny. Highs 76 to 91.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 46 to 61.
Highs 80 to 95.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows 48 to 63.
.SATURDAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 76 to 91.
&&
TEMPERATURE
Idaho City 91 49 92
$$
=
IDZ028-161600-
Camas Prairie-
230 AM MDT Sun Aug 16 2026
.TODAY...Sunny. Highs 84 to 89. Northeast winds up to 10 mph this
morning, shifting to south around 10 mph this afternoon. Gusts to
20 mph.
.TONIGHT...Partly cloudy. Lows 46 to 52. West winds around 10 mph
with gusts to 20 mph in the evening, becoming light after
midnight.
.MONDAY...Mostly sunny. Highs 85 to 90. Light winds in the
morning, becoming south around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 45 to 52. Southwest winds up
to 10 mph. Gusts to 20 mph in the evening.
.TUESDAY...Mostly sunny. Highs 84 to 89. Light winds in the
morning, becoming southwest 10 to 15 mph with gusts to 25 mph in
the afternoon.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 47 to 54.
Highs 84 to 89.
.WEDNESDAY NIGHT...Decreasing clouds. Lows 49 to 55.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 87 to 93. Lows
52 to 58.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of
showers. Lows 52 to 58.
.SATURDAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 84 to 89.
&&
TEMPERATURE
Fairfield 86 46 88
$$
=
IDZ033-161600-
Upper Weiser River-
230 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Highs 88 to 93. Southeast winds up to
10 mph.
.TONIGHT...Increasing clouds. Lows 61 to 66. Southeast winds up
to 10 mph in the evening, shifting to north after midnight.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs 89 to 95. North winds up to 10 mph in the morning,
shifting to south in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 61 to 67. Light winds in the
evening, becoming north up to 10 mph after midnight.
.TUESDAY...Mostly sunny. Highs 88 to 94. North winds up to 10 mph
in the morning, shifting to southwest in the afternoon.
.TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 58 to
68. Highs 87 to 96.
.SATURDAY...Partly cloudy. A slight chance of showers in the
morning. Chance of rain 20 percent. Highs 85 to 91.
&&
TEMPERATURE
Council 92 63 94
Cambridge 93 61 94
$$
=
ORZ064-161600-
Oregon Lower Treasure Valley-
230 AM MDT Sun Aug 16 2026 /130 AM PDT Sun Aug 16 2026/
.TODAY...Sunny. Highs 91 to 96. East winds up to 10 mph.
.TONIGHT...Increasing clouds. Patchy smoke after midnight. Lows
62 to 68. East winds up to 10 mph in the evening, shifting to
northwest after midnight.
.MONDAY...Patchy smoke in the morning. Mostly cloudy. Highs 92 to
97. Northwest winds up to 10 mph in the morning, becoming light
in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 64 to 69. Light winds in the
evening, becoming northwest 10 to 15 mph after midnight.
.TUESDAY...Mostly sunny. Highs 93 to 98. West winds up to 10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 62 to 67.
Highs 91 to 96.
.WEDNESDAY NIGHT...Increasing clouds. Lows 62 to 68.
.THURSDAY THROUGH SATURDAY...Partly cloudy. Highs 89 to 98. Lows
64 to 70.
&&
TEMPERATURE
Ontario 94 62 95
$$
=
IDZ012-161600-
Lower Treasure Valley-
230 AM MDT Sun Aug 16 2026
.TODAY...Patchy fog this morning. Sunny. Highs 91 to 96. East
winds up to 10 mph.
.TONIGHT...Increasing clouds. Lows 60 to 65. North winds up to
10 mph.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. Patchy smoke in the morning. Highs 92 to 97. Light winds.
.MONDAY NIGHT...Mostly cloudy. Lows 59 to 66. Northwest winds up
to 10 mph.
.TUESDAY...Mostly sunny. Highs 91 to 96. Northwest winds up to
10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 59 to 64.
Highs 90 to 95.
.WEDNESDAY NIGHT...Increasing clouds. Lows 60 to 65.
.THURSDAY THROUGH SATURDAY...Partly cloudy. Highs 88 to 98. Lows
61 to 67.
&&
TEMPERATURE
Caldwell 94 60 94
$$
=
IDZ014-161600-
Upper Treasure Valley-
230 AM MDT Sun Aug 16 2026
.TODAY...Patchy fog this morning. Sunny. Highs 92 to 97.
Southeast winds around 10 mph this morning, shifting to northwest
this afternoon. Gusts to 20 mph.
.TONIGHT...Increasing clouds. Lows 59 to 64. Northwest winds up
to 10 mph in the evening, shifting to east after midnight.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs 93 to 98. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows 57 to 64. West winds 10 to
15 mph.
.TUESDAY...Mostly sunny. Highs 91 to 96. Northwest winds up to
10 mph with gusts to 20 mph.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 58 to 66.
Highs 91 to 99.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows 61 to 66.
.SATURDAY...Mostly sunny. Highs 89 to 94.
&&
TEMPERATURE
Boise 93 64 94
Mountain Home 95 61 96
$$
=
IDZ016-161600-
Western Magic Valley-
230 AM MDT Sun Aug 16 2026
.TODAY...Sunny. Highs 87 to 93. Northeast winds 10 to 15 mph.
Gusts to 25 mph this morning.
.TONIGHT...Partly cloudy. Lows 58 to 63. Southeast winds up to
10 mph.
.MONDAY...Mostly sunny. Highs 89 to 94. Northeast winds up to
10 mph with gusts to 20 mph.
.MONDAY NIGHT...Mostly cloudy. Lows 59 to 64. Southeast winds up
to 10 mph.
.TUESDAY...Partly sunny. Highs 87 to 93. Southeast winds around
10 mph in the morning, shifting to west in the afternoon. Gusts
to 20 mph.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 58 to
67. Highs 87 to 96.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of
showers. Highs 92 to 97. Lows 61 to 66.
.SATURDAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Chance of rain
20 percent. Highs 87 to 92.
&&
TEMPERATURE
Jerome 87 62 89
Twin Falls 88 62 90
$$
=
IDZ029-161600-
Owyhee Mountains-
230 AM MDT Sun Aug 16 2026
.TODAY...Mostly sunny. Highs 84 to 90.
.TONIGHT...Increasing clouds. Lows 56 to 65.
.MONDAY...Mostly cloudy in the morning, then partly cloudy with a
slight chance of showers and thunderstorms in the afternoon.
Chance of rain 20 percent. Highs 85 to 91.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
56 to 66.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
85 to 91.
.TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 56 to
66. Highs 83 to 93.
.SATURDAY...Partly cloudy with a 20 percent chance of showers.
Highs 81 to 88.
$$
=
IDZ015-161600-
Southwest Highlands-
230 AM MDT Sun Aug 16 2026
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms this afternoon. Chance of rain 20 percent. Highs
86 to 92.
.TONIGHT...Partly cloudy. Lows 55 to 61.
.MONDAY...Decreasing clouds. Highs 88 to 93.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
56 to 62.
.TUESDAY...Partly sunny. Highs 88 to 93.
.TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 56 to
64. Highs 88 to 96.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
86 to 91.
$$
=
IDZ030-161600-
Southern Twin Falls County-
230 AM MDT Sun Aug 16 2026
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms this afternoon. Chance of rain 20 percent. Highs
85 to 90.
.TONIGHT...Partly cloudy. Lows 57 to 62.
.MONDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
87 to 92.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
60 to 65.
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
87 to 92.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 59 to
68. Highs 87 to 95.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Chance of rain 20 percent. Highs
91 to 96.
.FRIDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly cloudy after midnight. Chance of rain
30 percent. Lows 62 to 67.
.SATURDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Chance of rain
30 percent. Highs 86 to 91.
$$
=
ORZ062-161600-
Baker County-
130 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny. Areas of fog this morning. A slight chance
of rain showers and thunderstorms this afternoon. Chance of rain
20 percent. Highs 84 to 93. South winds up to 10 mph with gusts
to 20 mph.
.TONIGHT...Increasing clouds. Patchy smoke. Lows 47 to 59.
Northwest winds 10 to 15 mph.
.MONDAY...Mostly cloudy. Patchy smoke in the morning. A slight
chance of rain showers in the afternoon. Chance of rain
20 percent. Highs 85 to 95. Northwest winds up to 10 mph in the
morning, becoming light in the afternoon.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening. Chance of rain 20 percent. Lows
49 to 62. Northwest winds 10 to 15 mph.
.TUESDAY...Sunny. Highs 85 to 94. West winds up to 10 mph with
gusts to 20 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 47 to 60.
.WEDNESDAY...Sunny. Highs 85 to 93.
.WEDNESDAY NIGHT...Increasing clouds. Lows 48 to 61.
.THURSDAY...Sunny. Highs 88 to 96.
.THURSDAY NIGHT...Partly cloudy. Lows 51 to 64.
.FRIDAY...Partly cloudy. A slight chance of showers in the
morning. Chance of rain 20 percent. Highs 87 to 96.
.FRIDAY NIGHT...Partly cloudy. Lows 49 to 62.
.SATURDAY...Partly cloudy with a 20 percent chance of rain
showers. Highs 82 to 90.
&&
TEMPERATURE
Baker City 87 47 89
$$
=
ORZ061-161600-
Harney County-
130 AM PDT Sun Aug 16 2026
.TODAY...Sunny. Patchy smoke. Highs 80 to 90. Southwest winds up
to 10 mph with gusts to 20 mph.
.TONIGHT...Mostly cloudy. Patchy smoke after midnight. Lows 49 to
58. Northwest winds up to 10 mph with gusts to 20 mph.
.MONDAY...Patchy smoke in the morning. Mostly cloudy. Highs 81 to
90. Light winds in the morning, becoming southwest up to 10 mph
with gusts to 20 mph in the afternoon.
.MONDAY NIGHT...Decreasing clouds. Lows 50 to 58. West winds up
to 10 mph with gusts to 20 mph.
.TUESDAY...Partly sunny in the morning, then clearing. Highs
81 to 90. West winds 10 to 15 mph.
.TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 48 to
60. Highs 82 to 92.
.SATURDAY...Partly sunny in the morning, then clearing. Highs
77 to 87.
&&
TEMPERATURE
Burns 89 50 90
$$
=
ORZ063-161600-
Malheur County-
230 AM MDT Sun Aug 16 2026 /130 AM PDT Sun Aug 16 2026/
.TODAY...Sunny. Highs 88 to 94. South winds up to 10 mph this
morning, shifting to northwest with gusts to 20 mph this
afternoon.
.TONIGHT...Increasing clouds. Patchy smoke after midnight. Lows
54 to 64. Northeast winds 10 to 15 mph.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. Patchy smoke in the morning. Highs 89 to 95. East winds up
to 10 mph with gusts to 20 mph.
.MONDAY NIGHT...Mostly cloudy. Lows 53 to 63. Northwest winds
10 to 15 mph.
.TUESDAY...Mostly sunny. Highs 89 to 95. West winds 10 to 15 mph.
.TUESDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 54 to 64.
Highs 86 to 96.
$$
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