Weather WorldIona, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Iona, SD Weather Forecast
Iona, SD Weather Forecast Date: 521 PM CDT Sun Oct 25 2026
The area/counties/county of: Lyman, including the city of Kennebec.or toggle through each period.
Tonight... Rain. Lows in the mid 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100%.
Monday... Rain. Near steady temperature around 40. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%.
Monday Night... Cloudy. A chance of rain in the evening. Near steady temperature in the upper 30s. Northeast winds 10 to 15 mph, becoming northwest 5 to 10 mph after midnight. Chance of rain 50%.
Tuesday... Partly sunny. Not as cool with highs around 60. South winds 15 to 20 mph. Gusts up to 35 mph in the afternoon.
Tuesday Night... Mostly clear. Lows in the upper 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Wednesday... Partly cloudy. Highs in the lower 60s. Lows in the mid 30s.
Thursday... Partly cloudy. Highs in the lower 60s. Lows in the mid 30s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s.
Friday... Mostly cloudy in the morning, then partly sunny with a slight chance of rain in the afternoon. Highs in the lower 60s. Chance of rain 20%.
Friday Night... Mostly cloudy with a 50% chance of rain. Lows in the mid 40s. Highs in the upper 50s.
Saturday... Mostly cloudy with a 50% chance of rain. Lows in the mid 40s. Highs in the upper 50s.
Saturday Night... Mostly cloudy. A slight chance of rain in the evening. Lows in the lower 40s. Chance of rain 20%.
POP = Probability of Precipitation
Iona Radar Loop
Use the map search tool if you want to place a location marker on the radar map...