313
FPUS55 KBOI 310908
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
207 AM MST SAT JAN 31 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND SUNDAY.
IDZ011-311700-
WEST CENTRAL MOUNTAINS-
207 AM MST SAT JAN 31 2026
TODAY
PARTLY SUNNY. AREAS OF FOG THIS MORNING. PATCHY FOG THIS
AFTERNOON. HIGHS 37 TO 45.
TONIGHT
MOSTLY CLOUDY. AREAS OF FOG. LOWS 20 TO 31.
SUNDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 39 TO
46.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. LOWS
16 TO 28.
MONDAY
MOSTLY SUNNY. AREAS OF FOG IN THE MORNING. PATCHY FOG
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON.
CHANCE OF SNOW 20 PERCENT. HIGHS 37 TO 45.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG
IN THE EVENING. AREAS OF FOG. LOWS 19 TO 31. HIGHS 40 TO 48.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 43 TO
50.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 22 TO 32.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 44 TO 53. LOWS
22 TO 33.
TEMPERATURE
MCCALL 40 19 41
=
IDZ013-311700-
BOISE MOUNTAINS-
207 AM MST SAT JAN 31 2026
TODAY
PATCHY FOG THIS MORNING. MOSTLY SUNNY. HIGHS 40 TO 50.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 22 TO 34.
SUNDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 41 TO
51.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS 17 TO 32.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 38 TO 50.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. PATCHY FOG. LOWS 17 TO
32. HIGHS 40 TO 51.
TUESDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
19 TO 33.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE
MORNING. PATCHY FOG AFTER MIDNIGHT. HIGHS 44 TO 54. LOWS 18 TO
33.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 46 TO 57. LOWS
19 TO 34.
TEMPERATURE
IDAHO CITY 48 26 51
=
IDZ028-311700-
CAMAS PRAIRIE-
207 AM MST SAT JAN 31 2026
TODAY
PATCHY FOG THIS MORNING. PARTLY SUNNY. HIGHS 46 TO 51.
LIGHT WINDS.
TONIGHT
DECREASING CLOUDS. LOWS 23 TO 29. EAST WINDS AROUND
10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS 46 TO 51. EAST WINDS AROUND 10 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. LOWS 23 TO 28. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 45 TO 50. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
20 TO 25.
TUESDAY THROUGH WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 46 TO 54.
LOWS 24 TO 31.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 51 TO 58. LOWS
27 TO 32.
TEMPERATURE
FAIRFIELD 49 23 49
=
IDZ033-311700-
UPPER WEISER RIVER-
207 AM MST SAT JAN 31 2026
...AIR STAGNATION ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/
EARLY THIS MORNING TO 11 AM MST /10 AM PST/ FRIDAY...
TODAY
PATCHY FOG THIS MORNING. PARTLY SUNNY. HIGHS 41 TO 46.
LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. AREAS OF FOG. LOWS 29 TO 34. LIGHT
WINDS.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 44 TO
49. LIGHT WINDS.
SUNDAY NIGHT
DECREASING CLOUDS. PATCHY FOG IN THE EVENING.
AREAS OF FOG AFTER MIDNIGHT. LOWS 27 TO 32. LIGHT WINDS.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 44 TO
49. LIGHT WINDS.
MONDAY NIGHT
DECREASING CLOUDS. PATCHY FOG IN THE EVENING.
AREAS OF FOG AFTER MIDNIGHT. LOWS 27 TO 32.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE
MORNING. PATCHY FOG AFTER MIDNIGHT. HIGHS 47 TO 52. LOWS 30 TO
35.
WEDNESDAY
PARTLY SUNNY. HIGHS 47 TO 52.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 30 TO 35.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 48 TO 54. LOWS
31 TO 36.
TEMPERATURE
COUNCIL 45 31 48
CAMBRIDGE 44 30 47
=
ORZ064-311700-
OREGON LOWER TREASURE VALLEY-
207 AM MST SAT JAN 31 2026 /107 AM PST SAT JAN 31 2026/
...AIR STAGNATION ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/
EARLY THIS MORNING TO 11 AM MST /10 AM PST/ FRIDAY...
TODAY
INCREASING CLOUDS. PATCHY FOG THIS MORNING. HIGHS 41 TO
46. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 28 TO 33. LIGHT WINDS.
SUNDAY
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 43 TO
48. LIGHT WINDS.
SUNDAY NIGHT
DECREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT.
LOWS 28 TO 33. LIGHT WINDS.
MONDAY
AREAS OF FOG IN THE MORNING. PARTLY SUNNY. HIGHS 44 TO
49. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 28 TO 33.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE
MORNING. PATCHY FOG AFTER MIDNIGHT. HIGHS 48 TO 53. LOWS 30 TO
35.
WEDNESDAY
AREAS OF FOG IN THE MORNING. PARTLY SUNNY. HIGHS
47 TO 52.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS 29 TO 34.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 48 TO 53.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 29 TO 34.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 48 TO 53.
TEMPERATURE
ONTARIO 44 31 45
=
IDZ012-311700-
LOWER TREASURE VALLEY-
207 AM MST SAT JAN 31 2026
...AIR STAGNATION ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/
EARLY THIS MORNING TO 11 AM MST /10 AM PST/ FRIDAY...
TODAY
INCREASING CLOUDS. PATCHY FOG THIS MORNING. HIGHS 42 TO
47. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 30 TO 35. LIGHT WINDS.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 44 TO
49. SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. LOWS
28 TO 33. LIGHT WINDS.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 45 TO
50. LIGHT WINDS.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG
IN THE EVENING. AREAS OF FOG. LOWS 29 TO 35. HIGHS 49 TO 54.
WEDNESDAY
AREAS OF FOG IN THE MORNING. PARTLY SUNNY. HIGHS
49 TO 54.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS 29 TO 34.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 50 TO 55.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. PATCHY FOG THROUGH THE
DAY. LOWS 30 TO 35. HIGHS 50 TO 55.
TEMPERATURE
CALDWELL 45 31 47
=
IDZ014-311700-
UPPER TREASURE VALLEY-
207 AM MST SAT JAN 31 2026
TODAY
PATCHY FOG THIS MORNING. PARTLY SUNNY. HIGHS 45 TO 51.
SOUTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 30 TO 35. SOUTHEAST
WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 48 TO
53. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 27 TO 32. LIGHT WINDS.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 48 TO
53. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 28 TO 33.
TUESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 50 TO
55.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
29 TO 34.
WEDNESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS
52 TO 57.
WEDNESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
28 TO 33.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 53 TO 58.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 29 TO 34.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 52 TO 57.
TEMPERATURE
BOISE 47 32 49
MOUNTAIN HOME 48 33 51
=
IDZ016-311700-
WESTERN MAGIC VALLEY-
207 AM MST SAT JAN 31 2026
TODAY
PATCHY FOG THIS MORNING. PARTLY SUNNY. HIGHS 47 TO 52.
EAST WINDS AROUND 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 28 TO 33. EAST WINDS 10 TO 15 MPH.
SUNDAY
INCREASING CLOUDS. HIGHS 50 TO 55. EAST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
27 TO 32. LIGHT WINDS.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52. WEST WINDS AROUND 10 MPH.
MONDAY NIGHT THROUGH WEDNESDAY
PARTLY CLOUDY. PATCHY FOG. LOWS
27 TO 33. HIGHS 48 TO 55.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 28 TO 33.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 52 TO 58.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS
53 TO 58.
TEMPERATURE
JEROME 48 31 50
TWIN FALLS 50 29 52
=
IDZ029-311700-
OWYHEE MOUNTAINS-
207 AM MST SAT JAN 31 2026
TODAY
PARTLY SUNNY. HIGHS 44 TO 54.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 31 TO 36.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 45 TO
55.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS 28 TO 33.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 44 TO
52.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 27 TO 32.
TUESDAY
SUNNY. HIGHS 46 TO 55.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS 29 TO 34.
HIGHS 48 TO 58.
WEDNESDAY NIGHT
DECREASING CLOUDS. LOWS 28 TO 33.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 49 TO 59.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 29 TO 34. HIGHS
47 TO 57.
=
IDZ015-311700-
SOUTHWEST HIGHLANDS-
207 AM MST SAT JAN 31 2026
TODAY
PARTLY SUNNY. HIGHS 49 TO 57.
TONIGHT
MOSTLY CLOUDY. LOWS 28 TO 34.
SUNDAY
MOSTLY CLOUDY. HIGHS 52 TO 57.
SUNDAY NIGHT
DECREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 24 TO 30.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 50 TO 55.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. PATCHY FOG. LOWS 25 TO
30. HIGHS 51 TO 56.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 25 TO 32.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 53 TO
59.
WEDNESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 25 TO 32.
HIGHS 53 TO 62.
=
IDZ030-311700-
SOUTHERN TWIN FALLS COUNTY-
207 AM MST SAT JAN 31 2026
TODAY
PARTLY SUNNY. HIGHS 51 TO 56.
TONIGHT
MOSTLY CLOUDY. LOWS 28 TO 34.
SUNDAY
INCREASING CLOUDS. HIGHS 52 TO 57.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 28 TO 33.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 49 TO 54.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
27 TO 32.
TUESDAY
MOSTLY SUNNY. HIGHS 50 TO 55.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 29 TO 34.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 52 TO 57.
LOWS 28 TO 33.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 54 TO 60. LOWS
29 TO 34.
=
ORZ062-311700-
BAKER COUNTY-
107 AM PST SAT JAN 31 2026
TODAY
PATCHY FOG THIS MORNING. PARTLY SUNNY. HIGHS 41 TO 47.
SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 26 TO 34. SOUTHEAST
WINDS UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
44 TO 49. SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 24 TO 31. LIGHT WINDS.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 45 TO
50. LIGHT WINDS.
MONDAY NIGHT
DECREASING CLOUDS. PATCHY FOG IN THE EVENING.
AREAS OF FOG AFTER MIDNIGHT. LOWS 25 TO 32.
TUESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 27 TO 35. HIGHS 48 TO 53.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 27 TO 35.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 49 TO 55. LOWS
28 TO 35.
TEMPERATURE
BAKER CITY 47 30 48
=
ORZ061-311700-
HARNEY COUNTY-
107 AM PST SAT JAN 31 2026
TODAY
PARTLY SUNNY. HIGHS 48 TO 55. EAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. PATCHY DENSE FOG. LOWS 25 TO 34. EAST
WINDS UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
51 TO 57. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
AREAS OF FOG AFTER MIDNIGHT. LOWS 21 TO 31. WEST WINDS UP TO
10 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 49 TO
54. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
22 TO 31.
TUESDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 52 TO 57.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
24 TO 32.
WEDNESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS
54 TO 59.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 22 TO 31.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 54 TO 59.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 23 TO 31.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 53 TO 58.
TEMPERATURE
BURNS 51 25 53
=
ORZ063-311700-
MALHEUR COUNTY-
207 AM MST SAT JAN 31 2026 /107 AM PST SAT JAN 31 2026/
TODAY
PATCHY FOG THIS MORNING. PARTLY SUNNY. HIGHS 42 TO 52.
EAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 26 TO 32. EAST WINDS
UP TO 10 MPH.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 47 TO
57. SOUTH WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. LOWS
23 TO 31. WEST WINDS UP TO 10 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 45 TO
53. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 24 TO 31.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 47 TO 55.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 24 TO 32. HIGHS 47 TO 57.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 23 TO 31. HIGHS 48 TO 58.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 24 TO 32.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 48 TO 57.
=
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