Weather in Iona, ID
Updated 2026-09-26 10:45 local time · ZIP codes 83427
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
58°1% rain
64°4% rain
66°6% rain68°7% rain
69°9% rain69°9% rain68°9% rain67°9% rain63°9% rain
61°9% rain60°10% rain60°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 10%).
It feels like 44°F with winds near 17 mph.
67°F, 9% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 58°F, wind 17 mph, rain chance up to 10%.
UV index is 2.
Local weather characteristics in Iona
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Iona is part of the West weather region. The forecast point is near 43.46°N latitude and 111.87°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.
Iona weather today
Sunny and 58°F in Iona, ID. Today's high is 69°F with a 4% rain chance. Winds are around 17 mph with gusts near 22 mph. Relative humidity is 32%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Iona
Sunrise is at 07:19 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Overcast with a high near 77°F and a low near 53°F. The maximum rain chance is 11%.