341
FPUS55 KBOI 312108
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
207 PM MST SAT JAN 31 2026
SPOT TEMPERATURES ARE FOR TONIGHT, SUNDAY, SUNDAY NIGHT, AND
MONDAY.
IDZ011-010500-
WEST CENTRAL MOUNTAINS-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 22 TO 31.
SUNDAY
PARTLY SUNNY. HIGHS 38 TO 45.
SUNDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 18 TO 29.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 37 TO 46.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 19 TO 29.
TUESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 41 TO
48.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
21 TO 31.
WEDNESDAY
MOSTLY SUNNY. HIGHS 42 TO 49.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 21 TO
32. HIGHS 43 TO 52.
SATURDAY
MOSTLY SUNNY. HIGHS 40 TO 49.
TEMPERATURE
MCCALL 23 41 18 40
=
IDZ013-010500-
BOISE MOUNTAINS-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 20 TO 33.
SUNDAY
PARTLY SUNNY. HIGHS 41 TO 51.
SUNDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
16 TO 31.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 38 TO 50.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 16 TO 31.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS 43 TO 53. LOWS
19 TO 33.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 19 TO
34. HIGHS 45 TO 56.
SATURDAY
MOSTLY SUNNY. HIGHS 42 TO 52.
TEMPERATURE
IDAHO CITY 27 51 25 49
=
IDZ028-010500-
CAMAS PRAIRIE-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 21 TO 26. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. HIGHS 46 TO 51. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
21 TO 26. WEST WINDS AROUND 10 MPH.
MONDAY
SUNNY. HIGHS 45 TO 50. NORTHWEST WINDS AROUND 10 MPH.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 22 TO 27. WEST WINDS UP
TO 10 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS 46 TO 53. LOWS
25 TO 30.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 25 TO
32. HIGHS 50 TO 57.
SATURDAY
MOSTLY SUNNY. HIGHS 48 TO 53.
TEMPERATURE
FAIRFIELD 22 48 22 48
=
IDZ033-010500-
UPPER WEISER RIVER-
207 PM MST SAT JAN 31 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
/10 AM PST/ FRIDAY...
TONIGHT
MOSTLY CLOUDY. LOWS 29 TO 34. LIGHT WINDS.
SUNDAY
DECREASING CLOUDS. HIGHS 43 TO 48. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
28 TO 33. LIGHT WINDS.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 45 TO
50. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
27 TO 32. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 46 TO 51.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 30 TO 35. HIGHS 46 TO 51.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 29 TO 34. HIGHS 48 TO 53.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 30 TO 35.
FRIDAY
MOSTLY SUNNY. HIGHS 47 TO 53.
FRIDAY NIGHT
INCREASING CLOUDS. LOWS 30 TO 35.
SATURDAY
MOSTLY SUNNY. HIGHS 47 TO 52.
TEMPERATURE
COUNCIL 31 47 30 49
CAMBRIDGE 31 47 29 49
=
ORZ064-010500-
OREGON LOWER TREASURE VALLEY-
207 PM MST SAT JAN 31 2026 /107 PM PST SAT JAN 31 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
/10 AM PST/ FRIDAY...
TONIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 28 TO
33. LIGHT WINDS.
SUNDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
45 TO 50. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
29 TO 34. LIGHT WINDS.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 49 TO
54. LIGHT WINDS.
MONDAY NIGHT
DECREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 27 TO 32. LIGHT WINDS.
TUESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52.
TUESDAY NIGHT
DECREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 29 TO 34.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. AREAS OF FOG
THROUGH THE DAY. LOWS 28 TO 33. HIGHS 48 TO 53.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 29 TO 34.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 48 TO
53.
TEMPERATURE
ONTARIO 29 47 29 51
=
IDZ012-010500-
LOWER TREASURE VALLEY-
207 PM MST SAT JAN 31 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
/10 AM PST/ FRIDAY...
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 28 TO 33. LIGHT WINDS
THIS EVENING, BECOMING SOUTHEAST UP TO 10 MPH AFTER MIDNIGHT.
SUNDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
47 TO 52. SOUTHEAST WINDS UP TO 10 MPH IN THE MORNING, SHIFTING
TO WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
29 TO 34. LIGHT WINDS.
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
28 TO 33. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 48 TO
53.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 30 TO 35.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 48 TO
53.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. AREAS OF FOG
THROUGH THE DAY. LOWS 28 TO 34. HIGHS 49 TO 54.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. AREAS OF FOG THROUGH
THE DAY. LOWS 30 TO 35. HIGHS 48 TO 53.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
30 TO 35.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 49 TO
54.
TEMPERATURE
CALDWELL 29 50 30 52
=
IDZ014-010500-
UPPER TREASURE VALLEY-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 28 TO 33. EAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 50 TO 55. SOUTHEAST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
DECREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 28 TO 33. LIGHT WINDS.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 51 TO 56.
NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 27 TO 32. NORTH WINDS UP
TO 10 MPH.
TUESDAY THROUGH WEDNESDAY
PATCHY FOG IN THE MORNING. PATCHY
FOG THROUGH THE DAY. PARTLY CLOUDY. HIGHS 49 TO 56. LOWS 29 TO
34.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 28 TO 33. HIGHS 52 TO 57.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 29 TO 34.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 51 TO 56. LOWS
29 TO 34.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 51 TO
56.
TEMPERATURE
BOISE 31 52 31 52
MOUNTAIN HOME 29 54 29 54
=
IDZ016-010500-
WESTERN MAGIC VALLEY-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 27 TO 32. BREEZY. EAST WINDS 10 TO
20 MPH.
SUNDAY
INCREASING CLOUDS. HIGHS 50 TO 55. BREEZY. EAST WINDS
10 TO 20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS 28 TO 33. WEST WINDS AROUND 10 MPH.
MONDAY
SUNNY. HIGHS 49 TO 54. WEST WINDS AROUND 10 MPH.
MONDAY NIGHT
INCREASING CLOUDS. LOWS 27 TO 32. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 48 TO 53. LOWS
27 TO 32.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 50 TO
55.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLEAR. LOWS
28 TO 34. HIGHS 52 TO 58.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 50 TO 56. LOWS
29 TO 34.
TEMPERATURE
JEROME 30 51 31 50
TWIN FALLS 27 53 32 51
=
IDZ029-010500-
OWYHEE MOUNTAINS-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 30 TO 35.
SUNDAY
DECREASING CLOUDS. HIGHS 48 TO 56.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
29 TO 34.
MONDAY
SUNNY. HIGHS 47 TO 52.
MONDAY NIGHT
DECREASING CLOUDS. LOWS 27 TO 32.
TUESDAY
SUNNY. HIGHS 46 TO 56.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 28 TO 33.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 47 TO 57.
LOWS 28 TO 33.
THURSDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 47 TO 57.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 28 TO 33. HIGHS
46 TO 56.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS
47 TO 55.
=
IDZ015-010500-
SOUTHWEST HIGHLANDS-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 27 TO 32.
SUNDAY
MOSTLY CLOUDY. HIGHS 53 TO 58. BREEZY.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
26 TO 31.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 49 TO 54.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 24 TO 29.
TUESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 52 TO 62. LOWS
25 TO 33.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS
52 TO 57.
=
IDZ030-010500-
SOUTHERN TWIN FALLS COUNTY-
207 PM MST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 27 TO 32.
SUNDAY
INCREASING CLOUDS. HIGHS 52 TO 57.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS 29 TO 34.
MONDAY
SUNNY. HIGHS 49 TO 54.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 27 TO 32.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 50 TO 55. LOWS
28 TO 33.
WEDNESDAY
MOSTLY SUNNY. HIGHS 51 TO 56.
WEDNESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 28 TO 35.
HIGHS 52 TO 59.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS
52 TO 57.
=
ORZ062-010500-
BAKER COUNTY-
107 PM PST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 27 TO 34. SOUTHEAST WINDS 10 TO
15 MPH.
SUNDAY
DECREASING CLOUDS. HIGHS 45 TO 50. SOUTH WINDS 10 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
26 TO 32. NORTHWEST WINDS UP TO 10 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52. LIGHT WINDS.
MONDAY NIGHT
DECREASING CLOUDS. AREAS OF FOG AFTER MIDNIGHT.
LOWS 27 TO 32. SOUTHEAST WINDS UP TO 10 MPH IN THE EVENING,
BECOMING LIGHT AFTER MIDNIGHT.
TUESDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 47 TO
52.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 27 TO 34.
WEDNESDAY
MOSTLY SUNNY. HIGHS 47 TO 52.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 26 TO
35. HIGHS 49 TO 54.
SATURDAY
MOSTLY SUNNY. HIGHS 48 TO 53.
TEMPERATURE
BAKER CITY 29 49 26 51
=
ORZ061-010500-
HARNEY COUNTY-
107 PM PST SAT JAN 31 2026
TONIGHT
MOSTLY CLOUDY. LOWS 24 TO 33. EAST WINDS UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. HIGHS 51 TO 56. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
AREAS OF FOG AFTER MIDNIGHT. LOWS 22 TO 30. 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 IN THE EVENING, THEN CLEARING.
PATCHY FOG AFTER MIDNIGHT. LOWS 23 TO 29. NORTHEAST WINDS UP TO
10 MPH.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 52 TO 57.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
23 TO 31.
WEDNESDAY THROUGH THURSDAY
PATCHY FOG IN THE MORNING. PATCHY
FOG THROUGH THE DAY. MOSTLY CLEAR. HIGHS 53 TO 58. LOWS 21 TO 31.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 22 TO 32.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 53 TO 58.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 25 TO 33. HIGHS
54 TO 59.
TEMPERATURE
BURNS 24 53 22 51
=
ORZ063-010500-
MALHEUR COUNTY-
207 PM MST SAT JAN 31 2026 /107 PM PST SAT JAN 31 2026/
TONIGHT
MOSTLY CLOUDY. LOWS 26 TO 32. EAST WINDS UP TO 10 MPH.
SUNDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
47 TO 57. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
25 TO 32. WEST WINDS UP TO 10 MPH.
MONDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 49 TO 54.
LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 24 TO 30. LIGHT WINDS.
TUESDAY THROUGH WEDNESDAY
PATCHY FOG IN THE MORNING. PATCHY
FOG THROUGH THE DAY. PARTLY CLOUDY. HIGHS 47 TO 57. LOWS 23 TO
32.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
22 TO 31.
THURSDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 47 TO 57.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 24 TO 32.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 48 TO 56.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 27 TO 33. HIGHS
49 TO 57.
=
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