825  
FPUS55 KBOI 302110  
ZFPBOI  
 
ZONE FORECASTS FOR SOUTHWEST IDAHO/SOUTHEAST OREGON  
NATIONAL WEATHER SERVICE BOISE ID  
209 PM MST TUE DEC 30 2025  
 
SPOT TEMPERATURES ARE FOR TONIGHT, WEDNESDAY, WEDNESDAY NIGHT,  
AND NEW YEARS DAY.  
 
IDZ011-310500-  
WEST CENTRAL MOUNTAINS-  
209 PM MST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 15 TO  
26.    
WEDNESDAY  
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 35 TO  
43.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS 22 TO 28.    
NEW YEARS DAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW. PATCHY FOG.  
A CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. HIGHS 32 TO 39.    
THURSDAY NIGHT  
RAIN AND SNOW. AREAS OF FOG. CHANCE OF  
PRECIPITATION 80 PERCENT. LIGHT SNOW ACCUMULATIONS POSSIBLE. LOWS  
30 TO 35.    
FRIDAY  
RAIN AND SNOW, MAINLY IN THE MORNING. AREAS OF FOG.  
CHANCE OF PRECIPITATION 80 PERCENT. LITTLE SNOW ACCUMULATION  
EXPECTED. HIGHS 36 TO 44.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.  
AREAS OF FOG. CHANCE OF PRECIPITATION 50 PERCENT. LOWS 31 TO 36.    
SATURDAY  
PATCHY FOG IN THE MORNING. RAIN AND SNOW LIKELY.  
CHANCE OF PRECIPITATION 70 PERCENT. LIGHT SNOW ACCUMULATIONS  
POSSIBLE. HIGHS 34 TO 43.    
SATURDAY NIGHT  
RAIN AND SNOW LIKELY. PATCHY FOG. CHANCE OF  
PRECIPITATION 60 PERCENT. LIGHT SNOW ACCUMULATIONS POSSIBLE. LOWS  
25 TO 33.    
SUNDAY  
SNOW LIKELY. AREAS OF FOG IN THE MORNING. PATCHY FOG IN  
THE AFTERNOON. CHANCE OF SNOW 60 PERCENT. LITTLE SNOW  
ACCUMULATION EXPECTED. HIGHS 31 TO 40.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE  
OF SNOW. AREAS OF FOG. PATCHY FOG IN THE AFTERNOON. LOWS 24 TO  
31. HIGHS 31 TO 40.    
MONDAY NIGHT AND TUESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF SNOW. AREAS OF FOG. LOWS 22 TO 29. HIGHS 30 TO 40.  
 
 
TEMPERATURE  
MCCALL 17 40 22 37  
 
 
=  
 
IDZ013-310500-  
BOISE MOUNTAINS-  
209 PM MST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS 20 TO 30.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 37 TO 47.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS 20 TO 34.    
NEW YEARS DAY  
RAIN AND SNOW LIKELY, MAINLY IN THE AFTERNOON.  
AREAS OF FOG IN THE AFTERNOON. CHANCE OF PRECIPITATION  
60 PERCENT. LIGHT SNOW ACCUMULATIONS POSSIBLE. HIGHS 34 TO 42.    
THURSDAY NIGHT  
RAIN AND SNOW. AREAS OF FOG. CHANCE OF  
PRECIPITATION 80 PERCENT. LIGHT SNOW ACCUMULATIONS POSSIBLE. LOWS  
28 TO 39. TEMPERATURE RISING INTO THE UPPER 30S AFTER MIDNIGHT.    
FRIDAY  
RAIN AND SNOW, MAINLY IN THE MORNING. AREAS OF FOG.  
CHANCE OF PRECIPITATION 80 PERCENT. LITTLE SNOW ACCUMULATION  
EXPECTED. HIGHS 37 TO 50.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.  
AREAS OF FOG. CHANCE OF PRECIPITATION 40 PERCENT. LOWS 26 TO 40.    
SATURDAY  
RAIN AND SNOW LIKELY. AREAS OF FOG IN THE MORNING.  
PATCHY FOG IN THE AFTERNOON. CHANCE OF PRECIPITATION 60 PERCENT.  
LIGHT SNOW ACCUMULATIONS POSSIBLE. HIGHS 35 TO 48.    
SATURDAY NIGHT AND SUNDAY  
RAIN AND SNOW LIKELY. AREAS OF FOG.  
PATCHY FOG IN THE AFTERNOON. CHANCE OF PRECIPITATION 60 PERCENT.  
LIGHT SNOW ACCUMULATIONS POSSIBLE. LOWS 19 TO 34. HIGHS 32 TO 45.   
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.  
AREAS OF FOG. CHANCE OF PRECIPITATION 40 PERCENT. LOWS 18 TO 33.    
MONDAY  
DECREASING CLOUDS. AREAS OF FOG IN THE MORNING. A  
40 PERCENT CHANCE OF SNOW. HIGHS 32 TO 45.    
MONDAY NIGHT  
A CHANCE OF RAIN IN THE EVENING. MOSTLY CLOUDY  
WITH A CHANCE OF SNOW. AREAS OF FOG. CHANCE OF PRECIPITATION  
30 PERCENT. LOWS 17 TO 32.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW, MAINLY IN THE  
MORNING. AREAS OF FOG. CHANCE OF SNOW 30 PERCENT. HIGHS 32 TO 43.  
 
 
TEMPERATURE  
IDAHO CITY 18 45 25 40  
 
 
=  
 
IDZ028-310500-  
CAMAS PRAIRIE-  
209 PM MST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
INCREASING CLOUDS. LOWS 15 TO 22. NORTHEAST WINDS  
AROUND 10 MPH.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 40 TO 45. NORTHEAST WINDS UP TO  
10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW AFTER  
MIDNIGHT. CHANCE OF SNOW 20 PERCENT. LOWS 24 TO 29. TEMPERATURE  
RISING TO AROUND 30 AFTER MIDNIGHT. LIGHT WINDS.    
NEW YEARS DAY  
RAIN AND SNOW LIKELY, MAINLY IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 60 PERCENT. LITTLE SNOW ACCUMULATION  
EXPECTED. HIGHS 36 TO 41. LIGHT WINDS.    
THURSDAY NIGHT  
RAIN LIKELY. PATCHY FOG IN THE EVENING. AREAS  
OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 29 TO 34.  
TEMPERATURE RISING INTO THE MID 30S AFTER MIDNIGHT. LIGHT WINDS.    
FRIDAY  
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY WITH A  
CHANCE OF RAIN IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT. HIGHS  
42 TO 47.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT.  
CHANCE OF RAIN 30 PERCENT. LOWS 30 TO 35.    
SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. CHANCE  
OF PRECIPITATION 40 PERCENT. HIGHS 40 TO 45.    
SATURDAY NIGHT  
A CHANCE OF RAIN IN THE EVENING. MOSTLY CLOUDY  
WITH A CHANCE OF SNOW. PATCHY FOG AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 40 PERCENT. LOWS 23 TO 28.    
SUNDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A  
40 PERCENT CHANCE OF SNOW. HIGHS 36 TO 41.    
SUNDAY NIGHT  
A CHANCE OF RAIN IN THE EVENING. MOSTLY CLOUDY  
WITH A CHANCE OF SNOW. CHANCE OF PRECIPITATION 30 PERCENT. LOWS  
22 TO 27.    
MONDAY AND MONDAY NIGHT  
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF  
SNOW. HIGHS 37 TO 42. LOWS 21 TO 26.    
TUESDAY  
DECREASING CLOUDS. A 20 PERCENT CHANCE OF SNOW. HIGHS  
36 TO 41.  
 
 
TEMPERATURE  
FAIRFIELD 15 42 24 38  
 
 
=  
 
IDZ033-310500-  
UPPER WEISER RIVER-  
209 PM MST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS 20 TO 26. LIGHT WINDS.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 37 TO 42. LIGHT WINDS.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS 24 TO 29. TEMPERATURE  
RISING TO AROUND 30 AFTER MIDNIGHT. LIGHT WINDS.    
NEW YEARS DAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW. A SLIGHT  
CHANCE OF RAIN AND LIGHT FREEZING RAIN IN THE MORNING, THEN A  
CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT. HIGHS 36 TO 41. LIGHT WINDS.    
THURSDAY NIGHT  
RAIN. AREAS OF FOG. CHANCE OF RAIN 80 PERCENT.  
LOWS 31 TO 36. LIGHT WINDS.    
FRIDAY  
RAIN, MAINLY IN THE MORNING. AREAS OF FOG. CHANCE OF  
RAIN 80 PERCENT. HIGHS 41 TO 46.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
AREAS OF FOG. LOWS 34 TO 39.    
SATURDAY  
AREAS OF FOG IN THE MORNING. RAIN LIKELY. CHANCE OF  
RAIN 60 PERCENT. HIGHS 43 TO 48.    
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN AND  
SNOW. PATCHY FOG THROUGH THE DAY. CHANCE OF PRECIPITATION  
40 PERCENT. LOWS 30 TO 35. HIGHS 39 TO 44.    
SUNDAY NIGHT THROUGH MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE  
OF RAIN AND SNOW. PATCHY FOG IN THE EVENING. AREAS OF FOG. CHANCE  
OF PRECIPITATION 30 PERCENT. LOWS 27 TO 34. HIGHS 39 TO 44.    
TUESDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. A CHANCE  
OF SNOW, MAINLY IN THE MORNING. AREAS OF FOG. CHANCE OF  
PRECIPITATION 30 PERCENT. HIGHS 38 TO 43.  
 
 
TEMPERATURE  
COUNCIL 22 42 27 40  
CAMBRIDGE 21 41 25 40  
 
 
=  
 
ORZ064-310500-  
OREGON LOWER TREASURE VALLEY-  
209 PM MST TUE DEC 30 2025 /109 PM PST TUE DEC 30 2025/  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS 21 TO 26. LIGHT WINDS.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 36 TO 41. LIGHT WINDS.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS 24 TO 29. LIGHT WINDS.    
NEW YEARS DAY  
A CHANCE OF RAIN AND SNOW, WITH A SLIGHT CHANCE  
OF LIGHT FREEZING RAIN IN THE MORNING, THEN RAIN LIKELY IN THE  
AFTERNOON. PATCHY FOG IN THE AFTERNOON. CHANCE OF PRECIPITATION  
60 PERCENT. LITTLE SNOW ACCUMULATION EXPECTED. HIGHS 36 TO 41.  
LIGHT WINDS.    
THURSDAY NIGHT  
RAIN LIKELY. AREAS OF FOG. CHANCE OF RAIN  
70 PERCENT. LOWS 31 TO 36. LIGHT WINDS.    
FRIDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN, MAINLY IN THE MORNING.  
AREAS OF FOG. CHANCE OF RAIN 50 PERCENT. HIGHS 42 TO 47.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN, MAINLY AFTER  
MIDNIGHT. AREAS OF FOG. CHANCE OF RAIN 30 PERCENT. LOWS 33 TO 38.   
SATURDAY  
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. A  
30 PERCENT CHANCE OF RAIN. HIGHS 46 TO 51.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS 31 TO 36.    
SUNDAY  
PARTLY SUNNY. PATCHY FOG IN THE MORNING. A CHANCE OF  
RAIN, MAINLY IN THE MORNING. CHANCE OF RAIN 30 PERCENT. HIGHS  
41 TO 46.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
PATCHY FOG. LOWS 30 TO 35.    
MONDAY AND MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF RAIN. AREAS OF FOG IN THE MORNING. PATCHY FOG IN THE EVENING,  
THEN AREAS OF FOG AFTER MIDNIGHT. HIGHS 41 TO 46. LOWS 29 TO 34.    
TUESDAY  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING. AREAS OF FOG IN THE MORNING. CHANCE OF PRECIPITATION  
20 PERCENT. HIGHS 40 TO 45.  
 
 
TEMPERATURE  
ONTARIO 23 38 27 38  
 
 
=  
 
IDZ012-310500-  
LOWER TREASURE VALLEY-  
209 PM MST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
INCREASING CLOUDS. PATCHY FOG AFTER MIDNIGHT. LOWS  
22 TO 27. LIGHT WINDS.    
WEDNESDAY  
PATCHY FOG IN THE MORNING. PARTLY SUNNY. HIGHS 37 TO  
42. SOUTHEAST WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS 26 TO 31. TEMPERATURE  
RISING INTO THE LOWER 30S AFTER MIDNIGHT. LIGHT WINDS.    
NEW YEARS DAY  
A CHANCE OF SNOW WITH A SLIGHT CHANCE OF LIGHT  
FREEZING RAIN IN THE MORNING. CLOUDY WITH A CHANCE OF RAIN. AREAS  
OF FOG IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
HIGHS 37 TO 42. LIGHT WINDS.    
THURSDAY NIGHT  
RAIN. AREAS OF FOG. CHANCE OF RAIN 80 PERCENT.  
LOWS 33 TO 38. LIGHT WINDS.    
FRIDAY  
RAIN LIKELY, MAINLY IN THE MORNING. AREAS OF FOG.  
CHANCE OF RAIN 60 PERCENT. HIGHS 46 TO 51.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN, MAINLY AFTER  
MIDNIGHT. AREAS OF FOG IN THE EVENING, THEN PATCHY FOG AFTER  
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 35 TO 40.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF RAIN. PATCHY FOG IN THE MORNING. PATCHY FOG AFTER  
MIDNIGHT. HIGHS 48 TO 53. LOWS 32 TO 37.    
SUNDAY  
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A  
30 PERCENT CHANCE OF RAIN. HIGHS 44 TO 49.    
SUNDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN, MAINLY AFTER  
MIDNIGHT. PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT.  
CHANCE OF RAIN 30 PERCENT. LOWS 31 TO 36.    
MONDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A CHANCE  
OF RAIN IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF RAIN IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT. HIGHS 43 TO  
48.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. LOWS  
30 TO 35.    
TUESDAY  
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF RAIN AND SNOW IN THE MORNING, THEN PARTLY SUNNY  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT. HIGHS 41 TO  
46.  
 
 
TEMPERATURE  
CALDWELL 23 41 27 40  
 
 
=  
 
IDZ014-310500-  
UPPER TREASURE VALLEY-  
209 PM MST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
INCREASING CLOUDS. LOWS 21 TO 27. SOUTHEAST WINDS UP  
TO 10 MPH.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 42 TO 47. SOUTHEAST WINDS 10 TO  
15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 28 TO 33. TEMPERATURE  
RISING INTO THE MID 30S AFTER MIDNIGHT. LIGHT WINDS.    
NEW YEARS DAY  
PATCHY FOG IN THE MORNING. RAIN LIKELY. CHANCE  
OF RAIN 60 PERCENT. HIGHS 42 TO 47. SOUTHEAST WINDS UP TO 10 MPH.   
THURSDAY NIGHT  
RAIN LIKELY. PATCHY FOG IN THE EVENING. AREAS  
OF FOG AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT. LOWS 34 TO 39.  
SOUTHEAST WINDS UP TO 10 MPH.    
FRIDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A CHANCE  
OF RAIN IN THE MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.  
CHANCE OF RAIN 30 PERCENT. HIGHS 51 TO 56.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 36 TO 41.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A 30 PERCENT CHANCE  
OF RAIN. HIGHS 50 TO 55. LOWS 30 TO 35.    
SUNDAY  
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF  
RAIN, MAINLY IN THE MORNING. CHANCE OF RAIN 30 PERCENT. HIGHS  
46 TO 51.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF RAIN. LOWS 29 TO 35. HIGHS 45 TO 50.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN, MIXED  
WITH SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.  
LOWS 29 TO 34.    
TUESDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF RAIN AND SNOW IN THE MORNING, THEN PARTLY SUNNY IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT. HIGHS 44 TO 49.  
 
 
TEMPERATURE  
BOISE 25 43 30 44  
MOUNTAIN HOME 23 47 30 46  
 
 
=  
 
IDZ016-310500-  
WESTERN MAGIC VALLEY-  
209 PM MST TUE DEC 30 2025  
   
TONIGHT  
INCREASING CLOUDS. LOWS 22 TO 29. EAST WINDS AROUND  
10 MPH WITH GUSTS TO 20 MPH.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 42 TO 47. EAST WINDS 10 TO  
15 MPH WITH GUSTS TO 25 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF RAIN 30 PERCENT. LOWS 30 TO 35. TEMPERATURE  
RISING INTO THE MID 30S AFTER MIDNIGHT. EAST WINDS AROUND 10 MPH  
WITH GUSTS TO 20 MPH.    
NEW YEARS DAY  
PATCHY FOG IN THE MORNING. RAIN LIKELY. CHANCE  
OF RAIN 60 PERCENT. HIGHS 42 TO 47. EAST WINDS AROUND 10 MPH.    
THURSDAY NIGHT  
RAIN LIKELY, MAINLY IN THE EVENING. PATCHY FOG.  
CHANCE OF RAIN 60 PERCENT. LOWS 35 TO 40. LIGHT WINDS.    
FRIDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A CHANCE  
OF RAIN IN THE MORNING, THEN PARTLY SUNNY IN THE AFTERNOON.  
CHANCE OF RAIN 40 PERCENT. HIGHS 49 TO 55.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 35 TO 40.    
SATURDAY  
INCREASING CLOUDS. A 40 PERCENT CHANCE OF RAIN. HIGHS  
46 TO 51.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.  
LOWS 30 TO 35.    
SUNDAY  
A CHANCE OF SNOW IN THE MORNING. MOSTLY CLOUDY WITH A  
CHANCE OF RAIN. CHANCE OF PRECIPITATION 30 PERCENT. HIGHS 44 TO  
49.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF RAIN AND SNOW. CHANCE OF PRECIPITATION 20 PERCENT. LOWS  
28 TO 33. HIGHS 42 TO 48.  
 
 
TEMPERATURE  
JEROME 28 44 33 43  
TWIN FALLS 22 44 32 45  
 
 
=  
 
IDZ029-310500-  
OWYHEE MOUNTAINS-  
209 PM MST TUE DEC 30 2025  
   
TONIGHT  
INCREASING CLOUDS. LOWS 24 TO 31.    
WEDNESDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
SUNNY. HIGHS 38 TO 48.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT. LOWS 30 TO 35.  
TEMPERATURE RISING INTO THE UPPER 30S AFTER MIDNIGHT.    
NEW YEARS DAY  
SNOW WITH A SLIGHT CHANCE OF LIGHT FREEZING RAIN  
IN THE MORNING. RAIN. PATCHY FOG. CHANCE OF PRECIPITATION  
80 PERCENT. LITTLE SNOW ACCUMULATION EXPECTED. HIGHS 38 TO 48.    
THURSDAY NIGHT  
RAIN. AREAS OF FOG IN THE EVENING. PATCHY FOG  
AFTER MIDNIGHT. CHANCE OF RAIN 80 PERCENT. LOWS 37 TO 42.  
TEMPERATURE RISING INTO THE LOWER 40S AFTER MIDNIGHT.    
FRIDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN IN THE MORNING,  
THEN PARTLY SUNNY IN THE AFTERNOON. PATCHY FOG. CHANCE OF RAIN  
40 PERCENT. HIGHS 45 TO 54.    
FRIDAY NIGHT  
MOSTLY CLOUDY. PATCHY FOG IN THE EVENING. A  
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
30 PERCENT. LOWS 34 TO 39.    
SATURDAY  
DECREASING CLOUDS. A CHANCE OF RAIN AND SNOW. CHANCE  
OF PRECIPITATION 40 PERCENT. HIGHS 44 TO 49. BREEZY.   
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW,  
MAINLY IN THE EVENING. CHANCE OF PRECIPITATION 30 PERCENT. LOWS  
30 TO 35.    
SUNDAY THROUGH MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF  
RAIN AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT. HIGHS 41 TO  
46. LOWS 27 TO 34.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW, MAINLY IN THE  
MORNING. CHANCE OF SNOW 30 PERCENT. HIGHS 40 TO 45.  
 
 
=  
 
IDZ015-310500-  
SOUTHWEST HIGHLANDS-  
209 PM MST TUE DEC 30 2025  
   
TONIGHT  
INCREASING CLOUDS. LOWS 23 TO 30.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 45 TO 50.    
WEDNESDAY NIGHT  
RAIN LIKELY AFTER MIDNIGHT. CHANCE OF RAIN  
60 PERCENT. LOWS 30 TO 35.    
NEW YEARS DAY  
PATCHY FOG IN THE MORNING. RAIN. CHANCE OF RAIN  
80 PERCENT. HIGHS 44 TO 49.    
THURSDAY NIGHT  
RAIN LIKELY. CHANCE OF RAIN 60 PERCENT. LOWS  
36 TO 41.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN IN THE MORNING. CHANCE  
OF RAIN 30 PERCENT. HIGHS 50 TO 56.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. LOWS 32 TO 37.    
SATURDAY  
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. CHANCE  
OF PRECIPITATION 40 PERCENT. HIGHS 44 TO 52. BREEZY.   
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 28 TO 33.  
HIGHS 41 TO 48.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 25 TO 30.  
HIGHS 41 TO 48.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW,  
MAINLY IN THE EVENING. CHANCE OF PRECIPITATION 30 PERCENT. LOWS  
25 TO 30.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW, MAINLY IN THE  
MORNING. CHANCE OF SNOW 30 PERCENT. HIGHS 40 TO 45.  
 
 
=  
 
IDZ030-310500-  
SOUTHERN TWIN FALLS COUNTY-  
209 PM MST TUE DEC 30 2025  
   
TONIGHT  
INCREASING CLOUDS. LOWS 22 TO 29.    
WEDNESDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
SUNNY. HIGHS 45 TO 50.    
WEDNESDAY NIGHT  
RAIN AND SNOW LIKELY AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 60 PERCENT. SNOW ACCUMULATION UP TO 1 INCH. LOWS  
31 TO 36.    
NEW YEARS DAY  
RAIN AND SNOW IN THE MORNING, THEN RAIN LIKELY  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT. LITTLE SNOW  
ACCUMULATION EXPECTED. HIGHS 45 TO 50.    
THURSDAY NIGHT  
RAIN LIKELY, MAINLY IN THE EVENING. CHANCE OF  
RAIN 60 PERCENT. LOWS 37 TO 42. TEMPERATURE RISING INTO THE LOWER  
40S AFTER MIDNIGHT.    
FRIDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN IN THE MORNING,  
THEN PARTLY SUNNY IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.  
HIGHS 50 TO 55.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS 34 TO 39.    
SATURDAY  
INCREASING CLOUDS. A CHANCE OF RAIN AND SNOW. CHANCE  
OF PRECIPITATION 40 PERCENT. HIGHS 46 TO 51. BREEZY.   
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 29 TO 34.  
HIGHS 43 TO 48.    
SUNDAY NIGHT  
DECREASING CLOUDS. A SLIGHT CHANCE OF RAIN IN THE  
EVENING. A SLIGHT CHANCE OF SNOW. CHANCE OF PRECIPITATION  
20 PERCENT. LOWS 27 TO 32.    
MONDAY AND MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN  
AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT. HIGHS 42 TO 47.  
LOWS 27 TO 32.    
TUESDAY  
MOSTLY CLOUDY. A CHANCE OF SNOW, MAINLY IN THE  
MORNING. CHANCE OF SNOW 30 PERCENT. HIGHS 42 TO 47.  
 
 
=  
 
ORZ062-310500-  
BAKER COUNTY-  
109 PM PST TUE DEC 30 2025  
   
TONIGHT  
MOSTLY CLEAR. LOWS 18 TO 28. SOUTHEAST WINDS UP TO  
10 MPH WITH GUSTS TO 20 MPH.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 35 TO 42. SOUTHEAST WINDS 10 TO  
15 MPH WITH GUSTS TO 25 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS 22 TO 30. LIGHT WINDS.    
NEW YEARS DAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW, MIXED WITH  
RAIN IN THE AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT. HIGHS  
33 TO 40. SOUTHEAST WINDS UP TO 10 MPH.    
THURSDAY NIGHT  
RAIN AND SNOW. PATCHY FOG IN THE EVENING. AREAS  
OF FOG AFTER MIDNIGHT. CHANCE OF PRECIPITATION 80 PERCENT. LIGHT  
SNOW ACCUMULATIONS POSSIBLE. LOWS 29 TO 35. SOUTHEAST WINDS UP TO  
10 MPH.    
FRIDAY  
RAIN LIKELY, MAINLY IN THE MORNING. AREAS OF FOG IN THE  
MORNING, THEN PATCHY FOG IN THE AFTERNOON. CHANCE OF RAIN  
60 PERCENT. HIGHS 38 TO 45.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN. PATCHY FOG.  
A CHANCE OF SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
40 PERCENT. LOWS 31 TO 39.    
SATURDAY  
PATCHY FOG IN THE MORNING. RAIN AND SNOW LIKELY.  
CHANCE OF PRECIPITATION 60 PERCENT. LITTLE SNOW ACCUMULATION  
EXPECTED. HIGHS 40 TO 47.    
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN AND  
SNOW. PATCHY FOG THROUGH THE DAY. CHANCE OF PRECIPITATION  
30 PERCENT. LOWS 27 TO 35. HIGHS 37 TO 43.    
SUNDAY NIGHT THROUGH MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE  
OF RAIN AND SNOW. AREAS OF FOG. CHANCE OF PRECIPITATION  
30 PERCENT. LOWS 25 TO 33. HIGHS 37 TO 43.    
TUESDAY  
DECREASING CLOUDS. A SLIGHT CHANCE OF RAIN. A CHANCE  
OF SNOW, MAINLY IN THE MORNING. AREAS OF FOG IN THE MORNING.  
PATCHY FOG IN THE AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT.  
HIGHS 37 TO 42.  
 
 
TEMPERATURE  
BAKER CITY 23 39 23 38  
 
 
=  
 
ORZ061-310500-  
HARNEY COUNTY-  
109 PM PST TUE DEC 30 2025  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
INCREASING CLOUDS. LOWS 16 TO 28. EAST WINDS UP TO  
10 MPH.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 40 TO 48. EAST WINDS UP TO  
10 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN WITH A SLIGHT  
CHANCE OF LIGHT FREEZING RAIN AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 40 PERCENT. LOWS 23 TO 33. TEMPERATURE RISING INTO  
THE LOWER 30S AFTER MIDNIGHT. LIGHT WINDS.    
NEW YEARS DAY  
PATCHY FOG IN THE MORNING. RAIN, A CHANCE OF  
SNOW WITH A SLIGHT CHANCE OF LIGHT FREEZING RAIN IN THE MORNING,  
THEN RAIN LIKELY IN THE AFTERNOON. CHANCE OF PRECIPITATION  
80 PERCENT. LITTLE SNOW ACCUMULATION EXPECTED. HIGHS 39 TO 47.  
SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.    
THURSDAY NIGHT  
RAIN. AREAS OF FOG. CHANCE OF RAIN 80 PERCENT.  
LOWS 30 TO 39. SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS TO 20 MPH.   
FRIDAY  
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF  
RAIN, MAINLY IN THE MORNING. CHANCE OF RAIN 30 PERCENT. HIGHS  
46 TO 51.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF RAIN, MIXED WITH  
SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT. LOWS  
29 TO 36.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN  
AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT. HIGHS 43 TO 48.  
LOWS 24 TO 31. BREEZY.   
SUNDAY THROUGH MONDAY  
PATCHY FOG IN THE MORNING. PATCHY FOG  
THROUGH THE DAY. MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW.  
CHANCE OF PRECIPITATION 30 PERCENT. HIGHS 40 TO 46. LOWS 22 TO  
30.    
MONDAY NIGHT  
A SLIGHT CHANCE OF RAIN IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SNOW. CHANCE OF PRECIPITATION 30 PERCENT.  
LOWS 21 TO 28.    
TUESDAY  
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF SNOW IN THE MORNING, THEN PARTLY SUNNY IN THE  
AFTERNOON. CHANCE OF SNOW 20 PERCENT. HIGHS 39 TO 44.  
 
 
TEMPERATURE  
BURNS 16 42 23 40  
 
 
=  
 
ORZ063-310500-  
MALHEUR COUNTY-  
209 PM MST TUE DEC 30 2025 /109 PM PST TUE DEC 30 2025/  
 
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 AM PST /8 AM MST/  
SATURDAY...  
   
TONIGHT  
INCREASING CLOUDS. LOWS 18 TO 27. LIGHT WINDS.    
WEDNESDAY  
PARTLY SUNNY. HIGHS 36 TO 46. NORTHWEST WINDS UP TO  
10 MPH IN THE MORNING, SHIFTING TO NORTHEAST IN THE AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN WITH A SLIGHT  
CHANCE OF LIGHT FREEZING RAIN AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 30 PERCENT. LOWS 24 TO 31. LIGHT WINDS.    
NEW YEARS DAY  
A CHANCE OF SNOW WITH A SLIGHT CHANCE OF LIGHT  
FREEZING RAIN IN THE MORNING. RAIN LIKELY. AREAS OF FOG IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 60 PERCENT. LITTLE SNOW  
ACCUMULATION EXPECTED. HIGHS 38 TO 48. SOUTH WINDS UP TO 10 MPH.    
THURSDAY NIGHT  
RAIN. AREAS OF FOG. CHANCE OF RAIN 80 PERCENT.  
LOWS 30 TO 40. SOUTHEAST WINDS UP TO 10 MPH.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE  
OF RAIN. AREAS OF FOG. PATCHY FOG AFTER MIDNIGHT. HIGHS 43 TO 53.  
LOWS 32 TO 37.    
SATURDAY  
DECREASING CLOUDS. PATCHY FOG IN THE MORNING. A  
CHANCE OF RAIN AND SNOW. CHANCE OF PRECIPITATION 30 PERCENT.  
HIGHS 42 TO 50. BREEZY.   
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN AND  
SNOW. PATCHY FOG THROUGH THE DAY. CHANCE OF PRECIPITATION  
30 PERCENT. LOWS 27 TO 34. HIGHS 39 TO 47.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND  
SNOW. PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 20 PERCENT. LOWS 26 TO 32.    
MONDAY  
AREAS OF FOG IN THE MORNING. MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF RAIN. A CHANCE OF SNOW, MAINLY IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 30 PERCENT. HIGHS 38 TO 46.    
MONDAY NIGHT AND TUESDAY  
MOSTLY CLOUDY. A SLIGHT CHANCE OF  
RAIN AND SNOW. PATCHY FOG. CHANCE OF PRECIPITATION 20 PERCENT.  
LOWS 25 TO 32. HIGHS 37 TO 45.  
 
 
=  
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