Weather in Post Falls, ID
Updated 2026-09-26 05:45 local time · ZIP codes 83854
Clear
No government weather alerts were returned for this location at the latest update.
Next hours
45°15% rain
44°20% rain
36°24% rain
40°9% rain
43°3% rain46°1% rain48°1% rain50°1% rain52°1% rain52°1% rain52°1% rain51°5% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 24%).
It feels like 43°F with winds near 4 mph.
52°F, 1% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 45°F, wind 4 mph, rain chance up to 24%.
UV index is 0.
Local weather characteristics in Post Falls
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Post Falls is part of the West weather region. The forecast point is near 47.72°N latitude and 116.95°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Post Falls weather today
Clear and 45°F in Post Falls, ID. Today's high is 58°F with a 9% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 92%, pressure is 30.08 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Post Falls
Sunrise is at 06:40 AM and sunset is at 06:38 PM. Tomorrow's forecast calls for Overcast with a high near 60°F and a low near 43°F. The maximum rain chance is 9%.