Weather in Island Park, ID
Updated 2026-09-26 09:15 local time · ZIP codes 83429
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
44°5% rain
47°11% rain
51°8% rain54°10% rain57°9% rain59°9% rain59°9% rain59°9% rain58°9% rain56°9% rain53°10% rain
48°10% 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 11%).
It feels like 40°F with winds near 6 mph.
56°F, 9% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 33 mph.
Current temperature is 44°F, wind 6 mph, rain chance up to 11%.
UV index is 1.
Local weather characteristics in Island Park
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Island Park is part of the West weather region. The forecast point is near 44.46°N latitude and 111.35°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.
Island Park weather today
Sunny and 44°F in Island Park, ID. Today's high is 59°F with a 6% rain chance. Winds are around 6 mph with gusts near 14 mph. Relative humidity is 60%, pressure is 30.03 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Island Park
Sunrise is at 07:17 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Overcast with a high near 64°F and a low near 43°F. The maximum rain chance is 25%.