938
FPUS55 KBOI 121500
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
759 AM MST MON JAN 12 2026
FORECAST UPDATED.
SPOT TEMPERATURES ARE FOR THE REST OF TODAY, TONIGHT, AND
TUESDAY.
IDZ011-122200-
WEST CENTRAL MOUNTAINS-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 35 TO 40.
TONIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 17 TO 27.
TUESDAY
MOSTLY SUNNY. HIGHS 37 TO 42.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 17 TO 29.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 37 TO 42.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 15 TO 26.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 36 TO 44. LOWS 13 TO 23.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 23.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 34 TO 43. LOWS 14 TO 24.
TEMPERATURE
MCCALL 36 18 39
=
IDZ013-122200-
BOISE MOUNTAINS-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 36 TO 44.
TONIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 20 TO 30.
TUESDAY
MOSTLY SUNNY. HIGHS 38 TO 45.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 19 TO 29.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 39 TO 44.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 14 TO 28.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 35 TO 44. LOWS 12 TO 26.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 27.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 35 TO 46. LOWS 15 TO 28.
TEMPERATURE
IDAHO CITY 42 21 43
=
IDZ028-122200-
CAMAS PRAIRIE-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 39 TO 44. LIGHT WINDS.
TONIGHT
MOSTLY CLEAR. LOWS 20 TO 25. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 41 TO 46. LIGHT WINDS.
TUESDAY NIGHT
DECREASING CLOUDS. LOWS 20 TO 25. NORTH WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 40 TO 45. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 19 TO 24.
THURSDAY
SUNNY. HIGHS 38 TO 43.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 18 TO
25. HIGHS 37 TO 42.
SATURDAY
SUNNY. HIGHS 40 TO 45.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 20 TO 25. HIGHS
38 TO 43.
TEMPERATURE
FAIRFIELD 41 20 43
=
IDZ033-122200-
UPPER WEISER RIVER-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 37 TO 42. LIGHT WINDS.
TONIGHT
DECREASING CLOUDS. PATCHY FOG. LOWS 23 TO 28. LIGHT
WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 37 TO
43. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 22 TO 27. LIGHT
WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 36 TO 43.
LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 22 TO 27.
THURSDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 37 TO 45. LOWS
21 TO 27.
TEMPERATURE
COUNCIL 42 25 43
CAMBRIDGE 40 24 40
=
ORZ064-122200-
OREGON LOWER TREASURE VALLEY-
759 AM MST MON JAN 12 2026 /659 AM PST MON JAN 12 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 37 TO 42. LIGHT WINDS.
TONIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 21 TO
26. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 37 TO
42. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
21 TO 26. LIGHT WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 37 TO
42. LIGHT WINDS.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 21 TO 26. HIGHS 40 TO 45.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 21 TO 26. HIGHS
39 TO 44.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. PATCHY FOG THROUGH THE
DAY. LOWS 22 TO 27. HIGHS 40 TO 45.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 23 TO 28. HIGHS
39 TO 44.
TEMPERATURE
ONTARIO 39 23 38
=
IDZ012-122200-
LOWER TREASURE VALLEY-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
PATCHY FOG THIS MORNING. MOSTLY SUNNY. HIGHS
37 TO 42. LIGHT WINDS.
TONIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 22 TO 27. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 36 TO
41. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 21 TO 26. LIGHT
WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 37 TO
42. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
21 TO 26.
THURSDAY THROUGH SATURDAY
AREAS OF FOG IN THE MORNING. PATCHY
FOG IN THE EVENING, THEN AREAS OF FOG. MOSTLY CLEAR. HIGHS 39 TO
46. LOWS 21 TO 27.
SATURDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
22 TO 27.
SUNDAY
SUNNY. HIGHS 40 TO 45.
TEMPERATURE
CALDWELL 39 23 37
=
IDZ014-122200-
UPPER TREASURE VALLEY-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
PATCHY FOG THIS MORNING. MOSTLY SUNNY. HIGHS
40 TO 45. SOUTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 21 TO
26. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 38 TO
43. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 20 TO 25. LIGHT
WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 40 TO 45.
LIGHT WINDS.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. PATCHY FOG THROUGH
THE DAY. LOWS 20 TO 25. HIGHS 40 TO 45.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 20 TO 25.
FRIDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 41 TO 46.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS 21 TO 26. HIGHS
42 TO 48.
TEMPERATURE
BOISE 41 25 40
MOUNTAIN HOME 43 22 41
=
IDZ016-122200-
WESTERN MAGIC VALLEY-
759 AM MST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
SUNNY. HIGHS 40 TO 45. EAST WINDS AROUND 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 23 TO 28. EAST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 40 TO 45. EAST WINDS UP TO 10 MPH
IN THE MORNING, BECOMING LIGHT IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 22 TO 27. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 41 TO 46. LIGHT WINDS.
WEDNESDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS 22 TO 28.
HIGHS 41 TO 48.
TEMPERATURE
JEROME 41 26 41
TWIN FALLS 43 26 44
=
IDZ029-122200-
OWYHEE MOUNTAINS-
759 AM MST MON JAN 12 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 37 TO 47.
TONIGHT
MOSTLY CLEAR. LOWS 26 TO 31.
TUESDAY
MOSTLY SUNNY. HIGHS 38 TO 48.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 27 TO 32.
WEDNESDAY
SUNNY. HIGHS 39 TO 49.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 26 TO 31.
HIGHS 40 TO 47.
THURSDAY NIGHT
CLEAR. LOWS 22 TO 28.
FRIDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 39 TO 49. LOWS 23 TO
29.
=
IDZ015-122200-
SOUTHWEST HIGHLANDS-
759 AM MST MON JAN 12 2026
REST OF TODAY
SUNNY. HIGHS 43 TO 48.
TONIGHT
MOSTLY CLEAR. LOWS 22 TO 29.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 43 TO
49.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
23 TO 30.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 44 TO 50.
WEDNESDAY NIGHT
PATCHY FOG IN THE EVENING. MOSTLY CLEAR. LOWS
22 TO 28.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS 44 TO 49. LOWS 19 TO
25.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 43 TO 48. LOWS
21 TO 26.
SATURDAY
SUNNY. HIGHS 45 TO 50.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 24 TO 29. HIGHS
45 TO 50.
=
IDZ030-122200-
SOUTHERN TWIN FALLS COUNTY-
759 AM MST MON JAN 12 2026
REST OF TODAY
SUNNY. HIGHS 43 TO 48.
TONIGHT
MOSTLY CLEAR. LOWS 24 TO 30.
TUESDAY
MOSTLY SUNNY. HIGHS 45 TO 50.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS 24 TO 30.
WEDNESDAY
SUNNY. HIGHS 45 TO 50.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 23 TO 29.
THURSDAY
SUNNY. HIGHS 44 TO 49.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 21 TO
28. HIGHS 42 TO 47.
SATURDAY
SUNNY. HIGHS 44 TO 49.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 24 TO 29. HIGHS
43 TO 48.
=
ORZ062-122200-
BAKER COUNTY-
659 AM PST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 38 TO 43. SOUTHEAST WINDS
10 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. PATCHY FOG. LOWS 22 TO 29. SOUTHEAST
WINDS UP TO 10 MPH.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 39 TO
44. SOUTHEAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 23 TO 28. LIGHT WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 40 TO 45.
LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
22 TO 28.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 42 TO 47. LOWS
22 TO 27.
FRIDAY
SUNNY. HIGHS 40 TO 45.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 21 TO 26.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 39 TO 46. LOWS 23 TO 28.
TEMPERATURE
BAKER CITY 43 24 44
=
ORZ061-122200-
HARNEY COUNTY-
659 AM PST MON JAN 12 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 42 TO 48. LIGHT WINDS.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 19 TO
29. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 45 TO 51. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
19 TO 30. LIGHT WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 46 TO 52.
LIGHT WINDS.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 18 TO
30. HIGHS 44 TO 51.
SATURDAY
SUNNY. HIGHS 46 TO 51.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 21 TO 29. HIGHS
45 TO 50.
TEMPERATURE
BURNS 44 19 46
=
ORZ063-122200-
MALHEUR COUNTY-
759 AM MST MON JAN 12 2026 /659 AM PST MON JAN 12 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
REST OF TODAY
MOSTLY SUNNY. HIGHS 36 TO 46. LIGHT WINDS.
TONIGHT
INCREASING CLOUDS. PATCHY FOG IN THE EVENING. LOWS
20 TO 27. LIGHT WINDS.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 37 TO
47. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 20 TO 27. LIGHT WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. SUNNY. HIGHS 38 TO 48.
LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
20 TO 27.
THURSDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 40 TO 50. LOWS
20 TO 27.
=
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