National Weather Service Forecast for: Post Falls ID
Issued by: National Weather Service Spokane, WA
Updated: 8:59 pm PST Dec 22, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 33. Southeast wind around 6 mph.
Mostly Cloudy

 Tuesday

Tuesday: A 30 percent chance of rain, mainly after 4pm. Snow level 2600 feet rising to 3300 feet in the afternoon. Mostly cloudy, with a high near 41. Light east wind. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Rain
 Tuesday
Night
Tuesday Night: Rain likely, mainly after 7pm. Snow level 4500 feet rising to 6200 feet after midnight. Cloudy, with a low around 36. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

 Wednesday

Wednesday: Rain, mainly before 4pm. High near 43. East wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Wednesday
Night
Wednesday Night: A 30 percent chance of rain before 10pm. Patchy fog after 1am. Snow level 3800 feet. Otherwise, mostly cloudy, with a low around 35. South wind around 6 mph becoming light and variable in the evening. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
then Patchy
Fog
 Christmas
Day
Christmas Day: Rain likely, mainly after 4pm. Patchy fog before 7am. Snow level 4200 feet. Otherwise, mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Rain Likely
and Patchy
Fog
 Thursday
Night
Thursday Night: Rain. Snow level 4200 feet. Low around 36. Chance of precipitation is 90%.
Rain

 Friday

Friday: Rain before 1pm, then rain likely, possibly mixed with snow. Snow level 3100 feet. High near 41. Chance of precipitation is 80%.
Rain then
Rain/Snow
Likely
 Friday
Night
Friday Night: A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 28.
Chance Snow
Lo 33 °F Hi 41 °F Lo 36 °F Hi 43 °F Lo 35 °F Hi 46 °F Lo 36 °F Hi 41 °F Lo 28 °F

 

Tonight
 
 Mostly cloudy, with a low around 33. Southeast wind around 6 mph.
Tuesday
 
 A 30 percent chance of rain, mainly after 4pm. Snow level 2600 feet rising to 3300 feet in the afternoon. Mostly cloudy, with a high near 41. Light east wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Rain likely, mainly after 7pm. Snow level 4500 feet rising to 6200 feet after midnight. Cloudy, with a low around 36. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
 
 Rain, mainly before 4pm. High near 43. East wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 A 30 percent chance of rain before 10pm. Patchy fog after 1am. Snow level 3800 feet. Otherwise, mostly cloudy, with a low around 35. South wind around 6 mph becoming light and variable in the evening. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
 
 Rain likely, mainly after 4pm. Patchy fog before 7am. Snow level 4200 feet. Otherwise, mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Thursday Night
 
 Rain. Snow level 4200 feet. Low around 36. Chance of precipitation is 90%.
Friday
 
 Rain before 1pm, then rain likely, possibly mixed with snow. Snow level 3100 feet. High near 41. Chance of precipitation is 80%.
Friday Night
 
 A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 28.
Saturday
 
 Partly sunny, with a high near 37.
Saturday Night
 
 A 20 percent chance of snow. Mostly cloudy, with a low around 28.
Sunday
 
 A 20 percent chance of snow. Mostly cloudy, with a high near 41.
Sunday Night
 
 Mostly cloudy, with a low around 29.
Monday
 
 A slight chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Post Falls ID.