National Weather Service Forecast for: Post Falls ID
Issued by: National Weather Service Spokane, WA
Updated: 8:31 pm PST Feb 1, 2026
 
Tonight

Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 35. West wind 3 to 5 mph.
Mostly Cloudy
then Patchy
Fog
 Monday

Monday: A 40 percent chance of rain after 1pm. Patchy fog before 1pm. Snow level 3700 feet rising to 4600 feet in the afternoon. Otherwise, mostly cloudy, with a high near 43. Calm wind becoming west around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Patchy Fog
then Chance
Rain and
Patchy Fog
 Monday
Night
Monday Night: A 30 percent chance of rain before 7pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 35. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog then
Patchy Fog
 Tuesday

Tuesday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 49. Calm wind.
Areas Fog
then Mostly
Cloudy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 35. Calm wind.
Mostly Cloudy

 Wednesday

Wednesday: Mostly cloudy, with a high near 51.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 35.
Mostly Cloudy

 Thursday

Thursday: Partly sunny, with a high near 53.
Partly Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 33.
Mostly Cloudy
Lo 35 °F Hi 43 °F Lo 35 °F Hi 49 °F Lo 35 °F Hi 51 °F Lo 35 °F Hi 53 °F Lo 33 °F

 

Tonight
 
 Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 35. West wind 3 to 5 mph.
Monday
 
 A 40 percent chance of rain after 1pm. Patchy fog before 1pm. Snow level 3700 feet rising to 4600 feet in the afternoon. Otherwise, mostly cloudy, with a high near 43. Calm wind becoming west around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
 
 A 30 percent chance of rain before 7pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 35. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 49. Calm wind.
Tuesday Night
 
 Mostly cloudy, with a low around 35. Calm wind.
Wednesday
 
 Mostly cloudy, with a high near 51.
Wednesday Night
 
 Mostly cloudy, with a low around 35.
Thursday
 
 Partly sunny, with a high near 53.
Thursday Night
 
 Mostly cloudy, with a low around 33.
Friday
 
 Mostly cloudy, with a high near 50.
Friday Night
 
 Mostly cloudy, with a low around 33.
Saturday
 
 A 10 percent chance of rain. Mostly cloudy, with a high near 50.
Saturday Night
 
 A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 48.

 

Forecast from NOAA-NWS for Post Falls ID.