Zone Forecast Product
Issued by NWS Boise, ID

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Zone Forecasts for Southwest Idaho/Southeast Oregon
National Weather Service Boise ID
304 AM MDT Tue May 21 2024

Spot temperatures are for today, tonight, and Wednesday.


IDZ011-211700-
West Central Mountains-
304 AM MDT Tue May 21 2024

.TODAY...Mostly sunny. Highs 50 to 63.
.TONIGHT...A chance of rain showers in the evening, then rain and
snow showers after midnight. Chance of precipitation 80 percent.
Snow accumulation up to 2 inches. Lows 36 to 44.
.WEDNESDAY...Rain and snow showers. A slight chance of
thunderstorms in the afternoon. Chance of precipitation near
100 percent. No snow accumulation across the lower elevations,
with snow accumulation up to 5 inches over the mountains. Cooler
with highs 40 to 52.
.WEDNESDAY NIGHT...Rain and snow showers in the evening, then
snow showers likely after midnight. Chance of precipitation
90 percent. Moderate snow accumulations possible. Lows 29 to 35.
.THURSDAY...Snow showers likely in the morning, then a chance of
rain and snow showers in the afternoon. Chance of precipitation
60 percent. Little snow accumulation expected. Highs 43 to 55.
.THURSDAY NIGHT...Decreasing clouds. Lows 29 to 37.
.FRIDAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Chance of rain 20 percent. Highs 49 to 62.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain showers,
mixed with snow after midnight. Chance of precipitation
40 percent. Lows 35 to 43.
.SATURDAY...Rain and snow showers likely, mainly in the
afternoon. Chance of precipitation 60 percent. Light snow
accumulations possible. Highs 43 to 56.
.SATURDAY NIGHT...Decreasing clouds. A chance of snow showers. A
chance of rain showers, mainly in the evening. Chance of
precipitation 30 percent. Lows 28 to 36.
.SUNDAY...Partly cloudy with a slight chance of rain showers. A
chance of snow showers, mainly in the morning. Chance of
precipitation 30 percent. Highs 49 to 62.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Warmer. Lows 33 to
41. Highs 60 to 72.

&&
               TEMPERATURE
McCall          57  36  45

$$
=

IDZ013-211700-
Boise Mountains-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 52 to 66.
.TONIGHT...Partly cloudy in the evening, then rain and snow
showers likely after midnight. Chance of precipitation
60 percent. Little or no snow accumulation. Lows 30 to 45.
.WEDNESDAY...Rain showers. Snow showers in the morning, then snow
showers with a slight chance of thunderstorms in the afternoon.
Chance of precipitation near 100 percent. No snow accumulation
across the lower elevations, with snow accumulation up to
5 inches over the mountains. Highs 42 to 57.
.WEDNESDAY NIGHT...Rain and snow showers likely in the evening,
then partly cloudy with a chance of snow showers after midnight.
Chance of precipitation 60 percent. Light snow accumulations
possible. Lows 24 to 37. Breezy.
.THURSDAY...Partly cloudy with a chance of snow showers. A slight
chance of rain showers in the afternoon. Chance of precipitation
30 percent. Highs 45 to 60.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 22 to 37. Highs
52 to 67.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of rain showers
after midnight. Chance of rain 20 percent. Lows 30 to 45.
.SATURDAY...Partly cloudy with a chance of rain and snow showers.
Chance of precipitation 40 percent. Highs 47 to 62.
.SATURDAY NIGHT...Partly cloudy. A chance of rain and snow
showers in the evening. Chance of precipitation 30 percent. Lows
22 to 37.
.SUNDAY...Partly cloudy. A slight chance of snow showers in the
morning. Chance of snow 20 percent. Highs 51 to 66.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Warmer. Lows 28 to
43. Highs 62 to 76.

&&
               TEMPERATURE
Idaho City      65  37  55

$$
=

IDZ028-211700-
Camas Prairie-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 57 to 62. Breezy. Light winds this morning,
becoming west 10 to 20 mph with gusts to 30 mph this afternoon.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
a chance of rain showers after midnight. Chance of rain
30 percent. Lows 35 to 40. Breezy. West winds 10 to 20 mph with
gusts to 30 mph in the evening, becoming light after midnight.
.WEDNESDAY...Rain showers. A slight chance of thunderstorms in
the afternoon. Chance of rain 90 percent. Highs 50 to 55. Breezy.
West winds up to 10 mph in the morning, increasing to 15 to
20 mph with gusts to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers in
the evening, then partly cloudy after midnight. Chance of rain
30 percent. Lows 28 to 33. Windy. West winds 15 to 25 mph with
gusts to 35 mph.
.THURSDAY...Partly cloudy. A slight chance of snow showers in the
morning, then a slight chance of rain showers in the afternoon.
Chance of precipitation 20 percent. Highs 52 to 57. Breezy. West
winds 10 to 20 mph with gusts to 30 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 28 to 33.
.FRIDAY...Sunny. Highs 58 to 63.
.FRIDAY NIGHT...Increasing clouds. Lows 35 to 40.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 56 to 61. Breezy.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 28 to 33. Breezy.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 59 to 64. Lows
33 to 38. Breezy.
.MEMORIAL DAY...Sunny. Highs 67 to 72.

&&
               TEMPERATURE
Fairfield       60  36  53

$$
=

IDZ033-211700-
Upper Weiser River-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 64 to 69. Southwest winds up to 10 mph.
.TONIGHT...Increasing clouds. Rain showers, mainly after
midnight. Chance of rain 90 percent. Lows 44 to 49. Southwest
winds up to 10 mph.
.WEDNESDAY...Rain showers. A slight chance of thunderstorms in
the afternoon. Chance of rain near 100 percent. Cooler with highs
54 to 59. Southwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Decreasing clouds. Rain showers likely in the
evening, then a chance of rain and snow showers after midnight.
Chance of precipitation 60 percent. Little snow accumulation
expected. Lows 35 to 40. Northwest winds 10 to 15 mph.
.THURSDAY...Partly cloudy. A chance of rain and snow showers in
the morning, then a slight chance of rain showers in the
afternoon. Chance of precipitation 30 percent. Highs 57 to 62.
Light winds.
.THURSDAY NIGHT...Decreasing clouds. Lows 37 to 42.
.FRIDAY...Mostly sunny. Highs 64 to 69.
.FRIDAY NIGHT...Mostly cloudy. A chance of rain showers, mainly
after midnight. Chance of rain 30 percent. Lows 42 to 47.
.SATURDAY...Decreasing clouds. A 50 percent chance of rain
showers. Highs 58 to 63.
.SATURDAY NIGHT...Partly cloudy with a chance of rain showers in
the evening, then mostly clear after midnight. Chance of rain
30 percent. Lows 35 to 40.
.SUNDAY...Mostly sunny. Highs 63 to 68.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 42 to 47.
Highs 73 to 78.

&&
               TEMPERATURE
Council         67  47  57
Cambridge       68  47  59

$$
=

IDZ012-ORZ064-211700-
Lower Treasure Valley ID-Oregon Lower Treasure Valley-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 69 to 74. West winds up to 10 mph.
.TONIGHT...Increasing clouds. Rain showers after midnight. Chance
of rain 80 percent. Not as cool with lows 48 to 53. Southwest
winds up to 10 mph.
.WEDNESDAY...Rain showers. A slight chance of thunderstorms in
the afternoon. Chance of rain 90 percent. Highs 60 to 65. Breezy.
West winds 10 to 20 mph. Gusts to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers in
the evening, then partly cloudy after midnight. Chance of rain
30 percent. Colder with lows 39 to 44. Breezy. Northwest winds
10 to 20 mph. Gusts to 30 mph in the evening.
.THURSDAY...Mostly sunny. Highs 61 to 66. Northwest winds 10 to
15 mph with gusts to 25 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 40 to 45. Highs
69 to 74.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of rain showers
after midnight. Chance of rain 20 percent. Lows 46 to 51.
.SATURDAY...Partly cloudy with a 30 percent chance of rain
showers. Highs 64 to 69.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 39 to 44.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 67 to 73. Lows
44 to 49.
.MEMORIAL DAY...Sunny, warmer with highs 77 to 82.

&&
               TEMPERATURE
Caldwell        72  50  62
Ontario         74  50  65

$$
=

IDZ014-211700-
Upper Treasure Valley-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 67 to 72. Northwest winds 10 to 15 mph with
gusts to 25 mph.
.TONIGHT...Partly cloudy in the evening, then rain showers likely
after midnight. Chance of rain 70 percent. Lows 44 to 49. North
winds 10 to 15 mph.
.WEDNESDAY...Rain showers. A slight chance of thunderstorms in
the afternoon. Chance of rain 90 percent. Highs 59 to 64. Breezy.
West winds up to 10 mph in the morning, increasing to 10 to
20 mph with gusts to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then partly cloudy after midnight. Chance
of rain 20 percent. Lows 35 to 40. Windy. Northwest winds 15 to
25 mph with gusts to 35 mph.
.THURSDAY...Mostly sunny. Highs 60 to 65. Windy. Northwest winds
15 to 25 mph with gusts to 35 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 36 to 42. Highs
69 to 74.
.FRIDAY NIGHT...Increasing clouds. Lows 44 to 49.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 66 to 71. Breezy.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 37 to 42. Breezy.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 67 to 72. Lows
41 to 46.
.MEMORIAL DAY...Sunny, warmer with highs 77 to 82.

&&
               TEMPERATURE
Boise           70  48  61
Mountain Home   70  45  62

$$
=

IDZ016-211700-
Western Magic Valley-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 63 to 68. Breezy. West winds 10 to 20 mph.
.TONIGHT...Mostly clear in the evening, then mostly cloudy with a
slight chance of rain showers after midnight. Chance of rain
20 percent. Lows 40 to 45. West winds 10 to 15 mph with gusts to
25 mph in the evening, shifting to southeast after midnight.
.WEDNESDAY...Rain showers likely in the morning, then rain
showers with a slight chance of thunderstorms in the afternoon.
Chance of rain 80 percent. Highs 59 to 64. Breezy. West winds
10 to 20 mph. Gusts to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers
with a slight chance of thunderstorms in the evening, then partly
cloudy after midnight. Chance of rain 30 percent. Lows 34 to 39.
Windy. West winds 15 to 25 mph with gusts to 35 mph.
.THURSDAY...Mostly sunny. Highs 57 to 62. Windy. West winds 15 to
25 mph with gusts to 35 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 34 to 39. Highs
66 to 71. Breezy.
.FRIDAY NIGHT...Increasing clouds. Lows 42 to 47.
.SATURDAY...Partly cloudy with a 20 percent chance of rain
showers. Highs 65 to 70. Breezy.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 37 to 42. Breezy.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 65 to 70. Lows
39 to 44. Breezy.
.MEMORIAL DAY...Sunny. Highs 75 to 80.

&&
               TEMPERATURE
Jerome          64  42  60
Twin Falls      64  44  62

$$
=

IDZ029-211700-
Owyhee Mountains-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 61 to 66.
.TONIGHT...Partly cloudy in the evening, then rain showers after
midnight. Chance of rain 80 percent. Lows 41 to 48.
.WEDNESDAY...Rain showers. A slight chance of thunderstorms in
the afternoon. Chance of rain 90 percent. Highs 53 to 58. Windy.
West winds around 25 mph with gusts to 35 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers in the evening, then partly cloudy with a slight chance
of snow showers after midnight. Chance of precipitation
30 percent. Colder with lows 32 to 38. Windy. Northwest winds
around 25 mph with gusts to 35 mph in the evening.
.THURSDAY...Partly cloudy. A slight chance of snow showers in the
morning. Chance of snow 20 percent. Highs 54 to 59.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 33 to 40. Highs
64 to 69.
.FRIDAY NIGHT...Mostly cloudy. Lows 40 to 47.
.SATURDAY...Partly cloudy with a 30 percent chance of rain
showers. Highs 58 to 63. Breezy.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 34 to 39. Breezy.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 62 to 67. Lows
40 to 45.
.MEMORIAL DAY...Sunny. Highs 71 to 76.

$$
=

IDZ015-211700-
Southwest Highlands-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 59 to 66.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
a chance of rain showers after midnight. Chance of rain
30 percent. Lows 40 to 45.
.WEDNESDAY...Rain showers. A slight chance of thunderstorms in
the afternoon. Chance of rain 80 percent. Highs 58 to 63. Windy.
West winds around 25 mph with gusts to 35 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers
with a slight chance of thunderstorms in the evening, then partly
cloudy after midnight. Chance of rain 30 percent. Colder with
lows 31 to 36. Windy. Northwest winds around 25 mph with gusts to
35 mph in the evening.
.THURSDAY...Mostly sunny. Highs 53 to 59. Breezy.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Warmer. Lows 32 to 37.
Highs 64 to 69.
.FRIDAY NIGHT...Increasing clouds. Lows 41 to 46.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 61 to 66. Breezy.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 34 to 39. Breezy.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 63 to 68. Lows
38 to 43.
.MEMORIAL DAY...Sunny, warmer with highs 72 to 77.

$$
=

IDZ030-211700-
Southern Twin Falls County-
304 AM MDT Tue May 21 2024

.TODAY...Sunny. Highs 61 to 66.
.TONIGHT...Increasing clouds. Lows 40 to 45.
.WEDNESDAY...A chance of rain and snow showers in the morning,
then rain showers with a slight chance of thunderstorms in the
afternoon. Chance of precipitation 80 percent. No snow
accumulation. Highs 60 to 65. Breezy.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers
with a slight chance of thunderstorms in the evening, then partly
cloudy with a slight chance of snow showers after midnight.
Chance of precipitation 50 percent. Lows 31 to 36. Breezy.
.THURSDAY...Partly cloudy. A slight chance of snow showers in the
morning. Chance of snow 20 percent. Highs 54 to 59. Breezy.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 32 to 37. Highs
64 to 69.
.FRIDAY NIGHT...Increasing clouds. Lows 42 to 47.
.SATURDAY...Partly cloudy. A chance of rain showers, mainly in
the afternoon. Chance of rain 30 percent. Highs 63 to 68. Breezy.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of rain
showers in the evening, then partly cloudy after midnight. Chance
of rain 20 percent. Lows 35 to 40. Breezy.
.SUNDAY...Partly cloudy. A slight chance of snow showers in the
morning. Chance of snow 20 percent. Highs 63 to 68.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Warmer. Lows 39 to
44. Highs 72 to 77.

$$
=

ORZ062-211700-
Baker County-
204 AM PDT Tue May 21 2024

.TODAY...Mostly sunny. Highs 61 to 70. West winds up to 10 mph.
.TONIGHT...Rain showers. Chance of rain 90 percent. Lows 41 to
49. West winds 10 to 15 mph.
.WEDNESDAY...Rain showers. Snow showers with a slight chance of
thunderstorms in the afternoon. Chance of precipitation
90 percent. No snow accumulation across the lower elevations,
with snow accumulation up to 3 inches over the mountains. Cooler
with highs 49 to 58. Breezy. West winds 10 to 20 mph. Gusts to
30 mph in the afternoon.
.WEDNESDAY NIGHT...Rain and snow showers likely, mainly in the
evening. Chance of precipitation 60 percent. Light snow
accumulations possible. Lows 34 to 39. Breezy. Northwest winds
10 to 20 mph. Gusts to 30 mph in the evening.
.THURSDAY...Partly cloudy. A slight chance of rain and snow
showers in the morning. Chance of precipitation 20 percent. Highs
54 to 62. Northwest winds 10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 33 to 41.
.FRIDAY...Increasing clouds. Highs 62 to 69.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows 37 to 44.
.SATURDAY...A chance of snow showers in the morning. Partly
cloudy with a chance of rain showers. Chance of precipitation
40 percent. Highs 53 to 62.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers in the evening, then mostly clear after midnight. Chance
of rain 20 percent. Lows 32 to 39.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 61 to 68. Lows
39 to 46.
.MEMORIAL DAY...Sunny. Highs 71 to 78.

&&
               TEMPERATURE
Baker City      68  44  55

$$
=

ORZ061-211700-
Harney County-
204 AM PDT Tue May 21 2024

.TODAY...Sunny. Highs 61 to 68. Light winds this morning,
becoming west 10 to 15 mph this afternoon.
.TONIGHT...Rain showers. Chance of rain 80 percent. Lows 42 to
47. West winds 10 to 15 mph.
.WEDNESDAY...Rain showers likely in the morning, then partly
cloudy with a chance of rain showers in the afternoon. Chance of
rain 60 percent. Highs 52 to 59. Windy. West winds 10 to 20 mph
with gusts to 30 mph in the morning, increasing to 20 to 30 mph
with gusts to 40 mph in the afternoon.
.WEDNESDAY NIGHT...A slight chance of rain showers in the
evening. Partly cloudy with a slight chance of snow showers.
Chance of precipitation 20 percent. Colder with lows 31 to 36.
Windy. Northwest winds 20 to 30 mph with gusts to 40 mph in the
evening, decreasing to 10 to 20 mph after midnight.
.THURSDAY...Mostly sunny. Highs 55 to 62. Northwest winds around
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 34 to 39.
.FRIDAY...Mostly sunny. Highs 66 to 71.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 37 to 42.
.SATURDAY...Partly cloudy with a 20 percent chance of rain
showers. Highs 58 to 64. Breezy.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 32 to 37. Highs
65 to 70. Breezy.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 40 to 45.
Highs 75 to 80.

&&
               TEMPERATURE
Burns           68  44  56

$$
=

ORZ063-211700-
Malheur County-
304 AM MDT Tue May 21 2024 /204 AM PDT Tue May 21 2024/

.TODAY...Sunny. Highs 64 to 72. West winds 10 to 15 mph.
.TONIGHT...Rain showers after midnight. Chance of rain
80 percent. Not as cool with lows 42 to 51. West winds 10 to
15 mph.
.WEDNESDAY...Rain showers in the morning, then rain showers
likely with a slight chance of thunderstorms in the afternoon.
Chance of rain 80 percent. Highs 55 to 64. Windy. West winds
10 to 20 mph in the morning, increasing to 20 to 25 mph in the
afternoon. Gusts to 35 mph.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain and
snow showers. Chance of precipitation 20 percent. Colder with
lows 32 to 42. Windy. Northwest winds 15 to 25 mph with gusts to
35 mph in the evening, decreasing to 10 to 15 mph with gusts to
25 mph after midnight.
.THURSDAY...Mostly sunny. Highs 57 to 64. Northwest winds around
10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 33 to 42. Highs
66 to 73.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of rain showers
after midnight. Chance of rain 20 percent. Lows 40 to 48.
.SATURDAY...Partly cloudy with a 30 percent chance of rain
showers. Highs 60 to 68. Breezy.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows 34 to 42. Breezy.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 65 to 72. Lows
40 to 48.
.MEMORIAL DAY...Sunny, warmer with highs 74 to 81.

$$
=