544
FPUS55 KBOI 232109
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
208 PM MST FRI JAN 23 2026
SPOT TEMPERATURES ARE FOR TONIGHT, SATURDAY, SATURDAY NIGHT, AND
SUNDAY.
IDZ011-240500-
WEST CENTRAL MOUNTAINS-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 1 TO 13.
SATURDAY
SUNNY. HIGHS 22 TO 31.
SATURDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
1 TO 13.
SUNDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 26 TO 33.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 7 TO 18.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 27 TO 36. LOWS
12 TO 22. WIND CHILLS AS LOW AS 5 BELOW.
TUESDAY
SUNNY. HIGHS 32 TO 40.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. PATCHY FOG. LOWS
14 TO 26. HIGHS 34 TO 42.
THURSDAY NIGHT
PARTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS
OF FOG AFTER MIDNIGHT. LOWS 17 TO 28.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 36 TO
44.
TEMPERATURE
MCCALL 1 26 29
=
IDZ013-240500-
BOISE MOUNTAINS-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. COLDER WITH
LOWS ZERO TO 15 ABOVE ZERO.
SATURDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 23 TO 34.
SATURDAY NIGHT
CLEAR. LOWS 3 TO 18.
SUNDAY
SUNNY. HIGHS 27 TO 37.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 6 TO 21.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 30 TO 40. LOWS
10 TO 24.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 33 TO 43. LOWS
11 TO 26.
WEDNESDAY
MOSTLY SUNNY. HIGHS 35 TO 45.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 14 TO 29. HIGHS 34 TO 45.
THURSDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 15 TO 29.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 37 TO
47.
TEMPERATURE
IDAHO CITY 14 34 11 37
=
IDZ028-240500-
CAMAS PRAIRIE-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLOUDY. LOWS 11 TO 16. LIGHT WINDS.
SATURDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
29 TO 34. LIGHT WINDS IN THE MORNING, BECOMING WEST 10 TO 15 MPH
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 8 TO 13. NORTHWEST WINDS
AROUND 10 MPH. WIND CHILLS AS LOW AS ZERO.
SUNDAY
SUNNY. HIGHS 31 TO 36. WEST WINDS AROUND 10 MPH. WIND
CHILLS AS LOW AS 2 BELOW IN THE MORNING.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 11 TO 16. LIGHT WINDS.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 35 TO 40. LOWS
15 TO 20.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 39 TO 44. LOWS
17 TO 22.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 40 TO 46. LOWS
20 TO 25.
THURSDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
20 TO 25.
FRIDAY
MOSTLY SUNNY. HIGHS 42 TO 47.
TEMPERATURE
FAIRFIELD 12 32 9 34
=
IDZ033-240500-
UPPER WEISER RIVER-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
CLEAR. LOWS 15 TO 20. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS 29 TO 34. NORTH WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 14 TO 19. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 31 TO 36. LIGHT WINDS.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 18 TO 23. LIGHT WINDS.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 32 TO 37. LOWS
20 TO 25.
TUESDAY
SUNNY. HIGHS 37 TO 42.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 23 TO 28.
WEDNESDAY
PARTLY SUNNY. HIGHS 37 TO 43.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 25 TO 30. HIGHS 39 TO 44.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 27 TO 32. HIGHS
40 TO 45.
TEMPERATURE
COUNCIL 17 34 15 35
CAMBRIDGE 18 34 15 35
=
ORZ064-240500-
OREGON LOWER TREASURE VALLEY-
209 PM MST FRI JAN 23 2026 /109 PM PST FRI JAN 23 2026/
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
CLEAR. LOWS 19 TO 24. NORTHWEST WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS 34 TO 39. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 17 TO 22. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 31 TO 36. LIGHT WINDS.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 18 TO 23. LIGHT WINDS.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 31 TO 36. LOWS
21 TO 26.
TUESDAY
SUNNY. HIGHS 37 TO 42.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 23 TO 28.
WEDNESDAY
PARTLY SUNNY. HIGHS 37 TO 42.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 25 TO 30. HIGHS 40 TO 45.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 27 TO 32. HIGHS 41 TO 46.
TEMPERATURE
ONTARIO 21 36 19 34
=
IDZ012-240500-
LOWER TREASURE VALLEY-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 18 TO
23. NORTHWEST WINDS UP TO 10 MPH.
SATURDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 32 TO 37.
NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 17 TO 22. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 32 TO 37. LIGHT WINDS.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 19 TO 24. LIGHT WINDS.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 33 TO 38. LOWS
21 TO 26.
TUESDAY
SUNNY. HIGHS 38 TO 43.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 23 TO 28.
WEDNESDAY
PARTLY SUNNY. HIGHS 38 TO 43.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 25 TO 30. HIGHS 41 TO 46.
THURSDAY NIGHT
PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 27 TO 32.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 43 TO
48.
TEMPERATURE
CALDWELL 21 34 21 33
=
IDZ014-240500-
UPPER TREASURE VALLEY-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS 18 TO
23. SOUTHWEST WINDS UP TO 10 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. PATCHY
FOG IN THE MORNING. HIGHS 31 TO 36. NORTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 17 TO 22. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO 20 MPH.
SUNDAY
SUNNY. HIGHS 33 TO 38. NORTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 19 TO 24. LIGHT WINDS.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 36 TO 41. LOWS
20 TO 25.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 39 TO 44. LOWS
23 TO 28.
WEDNESDAY
MOSTLY SUNNY. HIGHS 41 TO 46.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 24 TO 29.
THURSDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 42 TO
47.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 26 TO 31. HIGHS 44 TO 49.
TEMPERATURE
BOISE 22 33 20 34
MOUNTAIN HOME 20 34 18 36
=
IDZ016-240500-
WESTERN MAGIC VALLEY-
209 PM MST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 18 TO 23.
LIGHT WINDS.
SATURDAY
DECREASING CLOUDS. HIGHS 28 TO 33. WEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 16 TO 21. WEST WINDS 10 TO
15 MPH.
SUNDAY
SUNNY. HIGHS 32 TO 37. WEST WINDS AROUND 10 MPH WITH
GUSTS TO 20 MPH.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 18 TO 23. LIGHT WINDS.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 36 TO 41. LOWS
21 TO 26.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 39 TO 44. LOWS
22 TO 27.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 41 TO 46.
LOWS 24 TO 29.
THURSDAY
PARTLY SUNNY. HIGHS 40 TO 45.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 24 TO 29. HIGHS 42 TO 47.
TEMPERATURE
JEROME 20 28 17 32
TWIN FALLS 19 30 18 34
=
IDZ029-240500-
OWYHEE MOUNTAINS-
209 PM MST FRI JAN 23 2026
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 12 TO
19.
SATURDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 28 TO 33.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 12 TO 20.
SUNDAY
SUNNY. HIGHS 32 TO 39.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 20 TO 25.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 34 TO 44. LOWS
22 TO 27.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 37 TO 47. LOWS
24 TO 29.
WEDNESDAY
MOSTLY SUNNY. HIGHS 38 TO 48.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS 24 TO 29.
HIGHS 39 TO 47.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 26 TO 31. HIGHS
42 TO 50.
=
IDZ015-240500-
SOUTHWEST HIGHLANDS-
209 PM MST FRI JAN 23 2026
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS 13 TO 18.
SATURDAY
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. HIGHS
30 TO 36.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 11 TO 17.
SUNDAY
SUNNY. HIGHS 35 TO 43.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 17 TO 22.
MONDAY AND MONDAY NIGHT
INCREASING CLOUDS. HIGHS 41 TO 46.
LOWS 19 TO 24.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 42 TO 48. LOWS
22 TO 27.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 44 TO 50.
LOWS 23 TO 28.
THURSDAY
PARTLY SUNNY. HIGHS 43 TO 48.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 23 TO 28. HIGHS 47 TO 52.
=
IDZ030-240500-
SOUTHERN TWIN FALLS COUNTY-
209 PM MST FRI JAN 23 2026
TONIGHT
CLOUDY. LOWS 14 TO 19.
SATURDAY
DECREASING CLOUDS. HIGHS 28 TO 33.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 14 TO 19.
SUNDAY
SUNNY. HIGHS 33 TO 38.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 17 TO 22.
MONDAY AND MONDAY NIGHT
INCREASING CLOUDS. HIGHS 40 TO 45.
LOWS 20 TO 25.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 41 TO 46. LOWS
22 TO 27.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 44 TO 49.
LOWS 24 TO 29.
THURSDAY
PARTLY SUNNY. HIGHS 42 TO 47.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 24 TO 29. HIGHS
45 TO 50.
=
ORZ062-240500-
BAKER COUNTY-
109 PM PST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLEAR. LOWS 13 TO 18. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
SUNNY. HIGHS 31 TO 37. NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 12 TO 17. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 31 TO 36. LIGHT WINDS.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 17 TO 22. LIGHT WINDS.
MONDAY
PARTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. HIGHS 32 TO 37.
MONDAY NIGHT
DECREASING CLOUDS. LOWS 18 TO 24.
TUESDAY
SUNNY. HIGHS 38 TO 43.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 21 TO 27.
WEDNESDAY
PARTLY SUNNY. HIGHS 37 TO 43.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS 23 TO 30.
HIGHS 41 TO 46.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. PATCHY FOG THROUGH
THE DAY. LOWS 23 TO 31. HIGHS 42 TO 47.
TEMPERATURE
BAKER CITY 14 35 13 34
=
ORZ061-240500-
HARNEY COUNTY-
109 PM PST FRI JAN 23 2026
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. COLDER WITH
LOWS 7 TO 17. NORTH WINDS UP TO 10 MPH.
SATURDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 33 TO 38.
LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 6 TO 17. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 37 TO 43. LIGHT WINDS.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 14 TO 25. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. HIGHS 41 TO 46.
MONDAY NIGHT
DECREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT.
LOWS 16 TO 26.
TUESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 44 TO 49.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS 17 TO 26.
HIGHS 42 TO 47.
WEDNESDAY NIGHT
MOSTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
LOWS 19 TO 28.
THURSDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 44 TO
49.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. AREAS OF FOG THROUGH
THE DAY. LOWS 20 TO 29. HIGHS 47 TO 52.
TEMPERATURE
BURNS 7 36 6 38
=
ORZ063-240500-
MALHEUR COUNTY-
209 PM MST FRI JAN 23 2026 /109 PM PST FRI JAN 23 2026/
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 11 AM PST /NOON
MST/ SATURDAY...
TONIGHT
MOSTLY CLEAR. PATCHY FOG THIS EVENING. AREAS OF FOG
AFTER MIDNIGHT. LOWS 12 TO 20. NORTHWEST WINDS UP TO 10 MPH.
SATURDAY
AREAS OF FOG IN THE MORNING. SUNNY. HIGHS 31 TO 36.
NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 10 TO 19. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 31 TO 38. LIGHT WINDS.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 16 TO 23. SOUTH WINDS UP TO
10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS 34 TO 44.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
18 TO 24.
TUESDAY
SUNNY. HIGHS 37 TO 47.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS 18 TO 26.
HIGHS 37 TO 47.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 21 TO 28.
THURSDAY THROUGH FRIDAY
PATCHY FOG IN THE MORNING. PATCHY FOG
THROUGH THE DAY. PARTLY CLOUDY. HIGHS 41 TO 51. LOWS 22 TO 30.
=
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