939
FPUS55 KBOI 221032
ZFPBOI
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON
NATIONAL WEATHER SERVICE BOISE ID
331 AM MST THU JAN 22 2026
SPOT TEMPERATURES ARE FOR TODAY, TONIGHT, AND FRIDAY.
IDZ011-221800-
WEST CENTRAL MOUNTAINS-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
PARTLY SUNNY. HIGHS 24 TO 33.
TONIGHT
MOSTLY CLOUDY. LOWS 10 TO 21.
FRIDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS 21 TO
32.
FRIDAY NIGHT
MOSTLY CLEAR. COLDER WITH LOWS 3 TO 14.
SATURDAY
MOSTLY SUNNY. HIGHS 20 TO 29. WIND CHILLS AS LOW AS
6 BELOW IN THE MORNING.
SATURDAY NIGHT
CLEAR. LOWS 2 TO 15. WIND CHILLS AS LOW AS
10 BELOW.
SUNDAY
SUNNY. HIGHS 23 TO 30. WIND CHILLS AS LOW AS 10 BELOW
IN THE MORNING.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 8 TO 19. HIGHS
26 TO 33. WIND CHILLS AS LOW AS 5 BELOW.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 15 TO 24.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 28 TO 36. LOWS
17 TO 27.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
HIGHS 30 TO 38.
TEMPERATURE
MCCALL 30 10 27
=
IDZ013-221800-
BOISE MOUNTAINS-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
PARTLY SUNNY. HIGHS 27 TO 37.
TONIGHT
MOSTLY CLOUDY. LOWS 9 TO 23.
FRIDAY
DECREASING CLOUDS. HIGHS 25 TO 36.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 2 TO 17.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS
21 TO 32.
SATURDAY NIGHT
CLEAR. LOWS 2 TO 17. WIND CHILLS AS LOW AS
5 BELOW.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 25 TO 36. LOWS
7 TO 22.
MONDAY
MOSTLY SUNNY. HIGHS 27 TO 40. WIND CHILLS AS LOW AS
ZERO IN THE MORNING.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 13 TO 26.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 30 TO 42. LOWS
14 TO 29.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
HIGHS 32 TO 44.
TEMPERATURE
IDAHO CITY 34 16 36
=
IDZ028-221800-
CAMAS PRAIRIE-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
MOSTLY CLOUDY. HIGHS 32 TO 37. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 14 TO 19. LIGHT WINDS.
FRIDAY
DECREASING CLOUDS. HIGHS 30 TO 35. WEST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 9 TO 14. EAST WINDS AROUND
10 MPH IN THE EVENING, BECOMING LIGHT AFTER MIDNIGHT.
SATURDAY
DECREASING CLOUDS. HIGHS 27 TO 32. LIGHT WINDS IN THE
MORNING, BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS 9 TO 14.
SUNDAY
SUNNY. HIGHS 31 TO 36.
SUNDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 13 TO
19. HIGHS 36 TO 45.
WEDNESDAY
PARTLY SUNNY. HIGHS 41 TO 46.
TEMPERATURE
FAIRFIELD 35 14 33
=
IDZ033-221800-
UPPER WEISER RIVER-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
CLOUDY. HIGHS 25 TO 30. LIGHT WINDS.
TONIGHT
CLOUDY. LOWS 19 TO 24. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
31 TO 36. NORTH WINDS 10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 16 TO 21. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS
28 TO 33. NORTH WINDS AROUND 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 16 TO 21. HIGHS
27 TO 32.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 19 TO 24.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY. HIGHS 29 TO 37. LOWS
22 TO 27.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 25 TO 30.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
CHANCE OF PRECIPITATION 20 PERCENT. HIGHS 32 TO 37.
TEMPERATURE
COUNCIL 27 20 34
CAMBRIDGE 29 21 36
=
ORZ064-221800-
OREGON LOWER TREASURE VALLEY-
331 AM MST THU JAN 22 2026 /231 AM PST THU JAN 22 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
CLOUDY. HIGHS 26 TO 31. LIGHT WINDS.
TONIGHT
CLOUDY. LOWS 21 TO 26. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
34 TO 39. NORTHWEST WINDS 10 TO 15 MPH.
FRIDAY NIGHT
CLEAR. LOWS 18 TO 23. NORTHWEST WINDS 10 TO
15 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS
33 TO 38. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 17 TO 22.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 29 TO 34. LOWS
20 TO 25.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 31 TO 36. LOWS
22 TO 27.
TUESDAY
MOSTLY SUNNY. HIGHS 33 TO 38.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS 25 TO 30.
HIGHS 34 TO 39.
TEMPERATURE
ONTARIO 30 23 37
=
IDZ012-221800-
LOWER TREASURE VALLEY-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
PATCHY FOG THIS MORNING. CLOUDY. HIGHS 27 TO 32. LIGHT
WINDS.
TONIGHT
CLOUDY. LOWS 21 TO 26. LIGHT WINDS.
FRIDAY
DECREASING CLOUDS. HIGHS 33 TO 38. NORTHWEST WINDS
10 TO 15 MPH.
FRIDAY NIGHT
CLEAR. LOWS 17 TO 22. NORTHWEST WINDS 10 TO
15 MPH.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS
31 TO 36. NORTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 18 TO 23.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 30 TO 35. LOWS
20 TO 25.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS 32 TO 38.
LOWS 23 TO 31.
WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW IN
THE MORNING. CHANCE OF PRECIPITATION 20 PERCENT. HIGHS 34 TO 39.
TEMPERATURE
CALDWELL 29 23 34
=
IDZ014-221800-
UPPER TREASURE VALLEY-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
PATCHY FOG THIS MORNING. CLOUDY. HIGHS 26 TO 31. LIGHT
WINDS.
TONIGHT
CLOUDY. LOWS 20 TO 25. LIGHT WINDS.
FRIDAY
CLOUDY. HIGHS 29 TO 34. NORTHWEST WINDS 10 TO 15 MPH.
GUSTS TO 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 16 TO 21. NORTH WINDS 10 TO
15 MPH.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
29 TO 34. NORTHWEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 16 TO 21. HIGHS
30 TO 35.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 20 TO 25.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY. HIGHS 32 TO 39. LOWS
22 TO 27.
TUESDAY NIGHT
INCREASING CLOUDS. LOWS 25 TO 30.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 36 TO 41.
TEMPERATURE
BOISE 29 23 32
MOUNTAIN HOME 28 21 31
=
IDZ016-221800-
WESTERN MAGIC VALLEY-
331 AM MST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
MOSTLY CLOUDY. HIGHS 26 TO 31. LIGHT WINDS.
TONIGHT
CLOUDY. LOWS 21 TO 26. LIGHT WINDS.
FRIDAY
CLOUDY. HIGHS 23 TO 29. WEST WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 17 TO 22. WEST WINDS AROUND
10 MPH IN THE EVENING, SHIFTING TO SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS 24 TO 30. SOUTHWEST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 17 TO 22. HIGHS
29 TO 34.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 20 TO 25. HIGHS
33 TO 38.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 23 TO 28.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 34 TO 39. LOWS
25 TO 30.
WEDNESDAY
INCREASING CLOUDS. HIGHS 36 TO 41.
TEMPERATURE
JEROME 27 23 23
TWIN FALLS 28 21 24
=
IDZ029-221800-
OWYHEE MOUNTAINS-
331 AM MST THU JAN 22 2026
TODAY
PARTLY SUNNY. HIGHS 29 TO 39.
TONIGHT
MOSTLY CLOUDY. LOWS 20 TO 25.
FRIDAY
DECREASING CLOUDS. HIGHS 27 TO 35.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 12 TO 20.
SATURDAY
SUNNY. HIGHS 28 TO 33.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 15 TO 22. HIGHS
31 TO 41.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 22 TO 27.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 33 TO 43. LOWS
23 TO 28.
TUESDAY
MOSTLY SUNNY. HIGHS 35 TO 45.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS 26 TO 31.
HIGHS 35 TO 45.
=
IDZ015-221800-
SOUTHWEST HIGHLANDS-
331 AM MST THU JAN 22 2026
TODAY
DECREASING CLOUDS. HIGHS 33 TO 43.
TONIGHT
MOSTLY CLOUDY. LOWS 21 TO 26.
FRIDAY
DECREASING CLOUDS. HIGHS 30 TO 40.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 11 TO 17.
SATURDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS
29 TO 37.
SATURDAY NIGHT
CLEAR. LOWS 11 TO 18.
SUNDAY
SUNNY. HIGHS 34 TO 44.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 19 TO 24.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 38 TO 48. LOWS
22 TO 27.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 40 TO 50. LOWS
24 TO 29.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 41 TO 51.
=
IDZ030-221800-
SOUTHERN TWIN FALLS COUNTY-
331 AM MST THU JAN 22 2026
TODAY
PARTLY SUNNY. HIGHS 29 TO 39.
TONIGHT
MOSTLY CLOUDY. LOWS 20 TO 25.
FRIDAY
CLOUDY. HIGHS 26 TO 31.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 14 TO 19.
SATURDAY
DECREASING CLOUDS. HIGHS 27 TO 32.
SATURDAY NIGHT
CLEAR. LOWS 15 TO 20.
SUNDAY
SUNNY. HIGHS 33 TO 38.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 19 TO 24. HIGHS
38 TO 43.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 24 TO 29.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 40 TO 45. LOWS
25 TO 30.
WEDNESDAY
INCREASING CLOUDS. HIGHS 40 TO 47.
=
ORZ062-221800-
BAKER COUNTY-
231 AM PST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
MOSTLY CLOUDY. HIGHS 26 TO 31. SOUTHEAST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS 17 TO 23. LIGHT WINDS IN THE
EVENING, BECOMING NORTHWEST UP TO 10 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HIGHS 29 TO
35. BRISK. NORTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 12 TO 18. BRISK. NORTHWEST
WINDS 10 TO 20 MPH.
SATURDAY
SUNNY. HIGHS 30 TO 36. NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 12 TO 19. HIGHS
29 TO 34.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 16 TO 23.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 30 TO 35. LOWS
20 TO 25.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 31 TO 38. LOWS
23 TO 30.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
CHANCE OF PRECIPITATION 20 PERCENT. HIGHS 33 TO 38.
TEMPERATURE
BAKER CITY 30 17 33
=
ORZ061-221800-
HARNEY COUNTY-
231 AM PST THU JAN 22 2026
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
PARTLY SUNNY. HIGHS 35 TO 42. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 16 TO 26. LIGHT WINDS.
FRIDAY
DECREASING CLOUDS. HIGHS 36 TO 42. NORTH WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 9 TO 18. NORTH WINDS AROUND
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 34 TO 39. LIGHT WINDS.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 8 TO 19. HIGHS
39 TO 45.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 14 TO 25.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 41 TO 46. LOWS
19 TO 27.
TUESDAY
MOSTLY SUNNY. HIGHS 43 TO 49.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 21 TO 30.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW IN THE
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON. CHANCE OF SNOW
20 PERCENT. HIGHS 42 TO 48.
TEMPERATURE
BURNS 38 16 40
=
ORZ063-221800-
MALHEUR COUNTY-
331 AM MST THU JAN 22 2026 /231 AM PST THU JAN 22 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM
MST/ FRIDAY...
TODAY
DECREASING CLOUDS. HIGHS 26 TO 36. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 19 TO 24. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
31 TO 37. NORTH WINDS 10 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 11 TO 20. NORTH WINDS 10 TO
15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 31 TO 36. NORTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS 11 TO 21. HIGHS
30 TO 40.
SUNDAY NIGHT
INCREASING CLOUDS. LOWS 17 TO 24.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. HIGHS 33 TO 43. LOWS
21 TO 26.
TUESDAY
MOSTLY SUNNY. HIGHS 35 TO 45.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS 24 TO 29.
HIGHS 34 TO 44.
=
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