917
FPUS55 KBOI 192109
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
208 PM MST MON JAN 19 2026
SPOT TEMPERATURES ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND
WEDNESDAY.
IDZ011-200500-
WEST CENTRAL MOUNTAINS-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
MOSTLY CLEAR. PATCHY FOG. LOWS 8 TO 19.
TUESDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 29 TO
39.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 8 TO 18.
WEDNESDAY
MOSTLY SUNNY. HIGHS 29 TO 38.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 10 TO 20.
THURSDAY
MOSTLY SUNNY. HIGHS 31 TO 39.
THURSDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
11 TO 23.
FRIDAY THROUGH SATURDAY
PATCHY FOG IN THE MORNING. PATCHY FOG
THROUGH THE DAY. MOSTLY CLEAR. HIGHS 29 TO 38. LOWS 8 TO 21. WIND
CHILLS AS LOW AS ZERO.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 14 TO 25.
SUNDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS
30 TO 39.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.
LOWS 19 TO 29.
MONDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS
33 TO 41.
TEMPERATURE
MCCALL 6 32 5 32
=
IDZ013-200500-
BOISE MOUNTAINS-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
PARTLY CLOUDY. AREAS OF FOG. OCCASIONAL FLURRIES AFTER
MIDNIGHT. LOWS 12 TO 23.
TUESDAY
MOSTLY SUNNY. OCCASIONAL FLURRIES IN THE MORNING.
PATCHY FOG IN THE MORNING. HIGHS 31 TO 41.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 10 TO 23.
WEDNESDAY
MOSTLY SUNNY. HIGHS 32 TO 41.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 24.
THURSDAY
MOSTLY SUNNY. HIGHS 31 TO 42.
THURSDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
9 TO 24.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. PATCHY FOG IN THE
MORNING. PATCHY FOG AFTER MIDNIGHT. HIGHS 30 TO 41. LOWS 8 TO 23.
SATURDAY
SUNNY. HIGHS 30 TO 41.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 11 TO 26.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SNOW, MAINLY IN THE
AFTERNOON. CHANCE OF SNOW 30 PERCENT. HIGHS 32 TO 43.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.
LOWS 17 TO 32.
MONDAY
PARTLY CLOUDY. A CHANCE OF SNOW, MAINLY IN THE MORNING.
CHANCE OF SNOW 30 PERCENT. HIGHS 35 TO 46.
TEMPERATURE
IDAHO CITY 14 39 15 40
=
IDZ028-200500-
CAMAS PRAIRIE-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
MOSTLY CLOUDY THIS EVENING, THEN PARTLY CLOUDY WITH
OCCASIONAL FLURRIES AFTER MIDNIGHT. LOWS 12 TO 18. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. OCCASIONAL FLURRIES IN THE MORNING.
HIGHS 38 TO 43. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 11 TO 16. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 38 TO 43. LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 12 TO 17. LIGHT WINDS.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 35 TO 41. LOWS
14 TO 19.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 12 TO 17. HIGHS
35 TO 40.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 17 TO 22. HIGHS
37 TO 42.
SUNDAY NIGHT
INCREASING CLOUDS. A 20 PERCENT CHANCE OF SNOW.
LOWS 21 TO 26.
MONDAY
MOSTLY SUNNY. HIGHS 41 TO 46.
TEMPERATURE
FAIRFIELD 12 42 11 41
=
IDZ033-200500-
UPPER WEISER RIVER-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
CLOUDY WITH OCCASIONAL FLURRIES. AREAS OF FOG. LOWS
19 TO 24. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. OCCASIONAL FLURRIES IN THE MORNING.
PATCHY FOG IN THE MORNING. HIGHS 28 TO 33. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 19 TO 24. LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 29 TO 34. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25. LIGHT WINDS.
THURSDAY AND THURSDAY NIGHT
DECREASING CLOUDS. HIGHS 36 TO 42.
LOWS 21 TO 26.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 37 TO 42. LOWS
20 TO 25.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 36 TO 41.
LOWS 23 TO 28.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SNOW, MAINLY IN THE
AFTERNOON. CHANCE OF SNOW 30 PERCENT. HIGHS 37 TO 42.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. A CHANCE OF RAIN AND
SNOW. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 27 TO 32. HIGHS
40 TO 45.
TEMPERATURE
COUNCIL 20 31 20 33
CAMBRIDGE 21 32 21 33
=
ORZ064-200500-
OREGON LOWER TREASURE VALLEY-
208 PM MST MON JAN 19 2026 /108 PM PST MON JAN 19 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
CLOUDY WITH OCCASIONAL FLURRIES. PATCHY FOG. LOWS
21 TO 26. LIGHT WINDS.
TUESDAY
CLOUDY. OCCASIONAL FLURRIES IN THE MORNING. PATCHY FOG
IN THE MORNING. HIGHS 28 TO 33. LIGHT WINDS.
TUESDAY NIGHT
CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 21 TO
26. LIGHT WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. CLOUDY. HIGHS 29 TO 34.
LIGHT WINDS.
WEDNESDAY NIGHT
CLOUDY. LOWS 21 TO 26. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. HIGHS 35 TO 42.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 22 TO 27. HIGHS
39 TO 44.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 20 TO 25.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 37 TO 42.
LOWS 23 TO 28.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. CHANCE OF SNOW 20 PERCENT. HIGHS 38 TO 43.
SUNDAY NIGHT
A SLIGHT CHANCE OF RAIN IN THE EVENING. MOSTLY
CLOUDY WITH A SLIGHT CHANCE OF SNOW. CHANCE OF PRECIPITATION
20 PERCENT. LOWS 26 TO 31.
MONDAY
PARTLY SUNNY. HIGHS 41 TO 46.
TEMPERATURE
ONTARIO 25 31 25 32
=
IDZ012-200500-
LOWER TREASURE VALLEY-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
CLOUDY WITH OCCASIONAL FLURRIES. AREAS OF FOG. LOWS
23 TO 28. LIGHT WINDS.
TUESDAY
CLOUDY. OCCASIONAL FLURRIES IN THE MORNING. AREAS OF
FOG IN THE MORNING. HIGHS 29 TO 34. LIGHT WINDS.
TUESDAY NIGHT
CLOUDY. PATCHY FOG IN THE EVENING. AREAS OF FOG
AFTER MIDNIGHT. LOWS 23 TO 28. LIGHT WINDS.
WEDNESDAY
AREAS OF FOG IN THE MORNING. CLOUDY. HIGHS 30 TO 35.
LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG IN THE EVENING.
AREAS OF FOG AFTER MIDNIGHT. LOWS 22 TO 27. LIGHT WINDS.
THURSDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 37 TO
42.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 22 TO 27. HIGHS
39 TO 44.
FRIDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS
21 TO 26.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 38 TO 43.
LOWS 23 TO 28.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. CHANCE OF SNOW 20 PERCENT. HIGHS 40 TO 45.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND
SNOW. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 27 TO 32.
MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SNOW IN THE MORNING.
CHANCE OF SNOW 20 PERCENT. HIGHS 43 TO 48.
TEMPERATURE
CALDWELL 26 32 26 33
=
IDZ014-200500-
UPPER TREASURE VALLEY-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
CLOUDY WITH OCCASIONAL FLURRIES. AREAS OF FOG. LOWS
22 TO 27. LIGHT WINDS.
TUESDAY
CLOUDY. OCCASIONAL FLURRIES IN THE MORNING. AREAS OF
FOG IN THE MORNING. HIGHS 29 TO 34. LIGHT WINDS.
TUESDAY NIGHT
CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 22 TO
27. LIGHT WINDS.
WEDNESDAY
PATCHY FOG IN THE MORNING. CLOUDY. HIGHS 30 TO 35.
LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25. LIGHT WINDS.
THURSDAY
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 38 TO
43.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 20 TO 25. HIGHS
38 TO 43.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 19 TO 24.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 40 TO 47. LOWS
22 TO 27.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW
IN THE EVENING. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 25 TO
30.
MONDAY
PARTLY SUNNY. HIGHS 44 TO 49.
TEMPERATURE
BOISE 26 32 25 32
MOUNTAIN HOME 26 32 24 33
=
IDZ016-200500-
WESTERN MAGIC VALLEY-
208 PM MST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
CLOUDY WITH OCCASIONAL FLURRIES. PATCHY FOG. LOWS
21 TO 26. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. OCCASIONAL FLURRIES IN THE MORNING.
PATCHY FOG IN THE MORNING. HIGHS 30 TO 35. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25. LIGHT WINDS.
WEDNESDAY
CLOUDY. HIGHS 31 TO 38. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25. LIGHT WINDS.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 36 TO 43. LOWS
20 TO 25.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 19 TO 24. HIGHS
38 TO 43.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 22 TO 27. HIGHS
41 TO 46.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 25 TO 30.
MONDAY
MOSTLY SUNNY. HIGHS 44 TO 49.
TEMPERATURE
JEROME 24 31 23 31
TWIN FALLS 22 33 22 33
=
IDZ029-200500-
OWYHEE MOUNTAINS-
208 PM MST MON JAN 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 20 TO 25.
TUESDAY
MOSTLY SUNNY. HIGHS 30 TO 40.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 21 TO 26.
WEDNESDAY
MOSTLY SUNNY. HIGHS 30 TO 40.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 22 TO 27.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 36 TO 46.
LOWS 21 TO 27.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 36 TO 44. LOWS
20 TO 25.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 24 TO 29. HIGHS
38 TO 48.
SUNDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW IN THE
EVENING. CHANCE OF SNOW 20 PERCENT. LOWS 27 TO 32.
MONDAY
PARTLY SUNNY. HIGHS 41 TO 49.
=
IDZ015-200500-
SOUTHWEST HIGHLANDS-
208 PM MST MON JAN 19 2026
TONIGHT
PARTLY CLOUDY. PATCHY DENSE FOG. LOWS 18 TO 23.
TUESDAY
MOSTLY SUNNY. HIGHS 34 TO 44.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 19 TO 24.
WEDNESDAY
PARTLY SUNNY. HIGHS 35 TO 45.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 38 TO 48. LOWS
19 TO 24.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 16 TO 21. HIGHS
40 TO 45.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 21 TO 26. HIGHS
44 TO 49.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS
47 TO 52.
=
IDZ030-200500-
SOUTHERN TWIN FALLS COUNTY-
208 PM MST MON JAN 19 2026
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. OCCASIONAL FLURRIES AFTER
MIDNIGHT. LOWS 19 TO 24.
TUESDAY
PARTLY SUNNY. OCCASIONAL FLURRIES IN THE MORNING.
HIGHS 35 TO 44.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25.
WEDNESDAY
DECREASING CLOUDS. HIGHS 36 TO 44.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 19 TO 25.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 41 TO 46.
LOWS 19 TO 24.
FRIDAY
MOSTLY SUNNY. HIGHS 37 TO 42.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 17 TO 22. HIGHS
40 TO 45.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 22 TO 27. HIGHS
44 TO 49.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS 26 TO 31. HIGHS
47 TO 52.
=
ORZ062-200500-
BAKER COUNTY-
108 PM PST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN MOSTLY CLOUDY WITH
OCCASIONAL FLURRIES AFTER MIDNIGHT. PATCHY FOG. LOWS 16 TO 23.
LIGHT WINDS.
TUESDAY
PARTLY SUNNY. OCCASIONAL FLURRIES IN THE MORNING.
PATCHY FOG IN THE MORNING. HIGHS 31 TO 39. LIGHT WINDS.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 16 TO 22. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 32 TO 39. LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 17 TO 23. LIGHT WINDS.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 38 TO 43.
LOWS 17 TO 25.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 37 TO 43. LOWS
16 TO 24.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 20 TO 27.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
SNOW. HIGHS 38 TO 43. LOWS 22 TO 30.
MONDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. CHANCE OF
PRECIPITATION 30 PERCENT. HIGHS 41 TO 46.
TEMPERATURE
BAKER CITY 16 33 16 36
=
ORZ061-200500-
HARNEY COUNTY-
108 PM PST MON JAN 19 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
MOSTLY CLEAR THIS EVENING, THEN PARTLY CLOUDY WITH
OCCASIONAL FLURRIES AFTER MIDNIGHT. PATCHY FOG. LOWS 21 TO 29.
LIGHT WINDS.
TUESDAY
SUNNY. OCCASIONAL FLURRIES IN THE MORNING. HIGHS 35 TO
44. LIGHT WINDS.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 20 TO 28. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 36 TO 43. LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 20 TO 28. LIGHT WINDS.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 45 TO 50.
LOWS 16 TO 25.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 41 TO 47. LOWS
13 TO 24.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 18 TO 28.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY. HIGHS 45 TO 51. LOWS
20 TO 30.
TEMPERATURE
BURNS 22 40 21 42
=
ORZ063-200500-
MALHEUR COUNTY-
208 PM MST MON JAN 19 2026 /108 PM PST MON JAN 19 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ THURSDAY...
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN MOSTLY CLOUDY WITH
OCCASIONAL FLURRIES AFTER MIDNIGHT. PATCHY FOG. LOWS 13 TO 23.
LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. OCCASIONAL FLURRIES IN THE MORNING.
PATCHY DENSE FOG IN THE MORNING. HIGHS 29 TO 39. LIGHT WINDS.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 14 TO 24. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY. HIGHS 29 TO 39. LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 17 TO 24. LIGHT WINDS.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 37 TO 47.
LOWS 19 TO 25.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 37 TO 45. LOWS
15 TO 24.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 20 TO 27.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY. HIGHS 41 TO 51. LOWS
24 TO 30.
=
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page