Iona, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Chance of Storms
    52°
    Forecast night icon
    Night
    70% Chance of Storms
    45°
    Friday 4/26
    Day
    52°
    Chance of Storms
    Forecast day icon
    Night
    45°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Patchy fog this morning. Showers this morning then showers with a slight chance of thunderstorms this afternoon. Cooler with highs in the mid 50s. North winds 10 to 20 mph. Gusts up to 30 mph this afternoon.
    Night Details
    Cloudy. Showers likely with a slight chance of thunderstorms in the evening then a chance of showers after midnight. Lows in the lower 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    Rain
    49°
    Forecast night icon
    Night
    Rain Showers
    41°
    Saturday 4/27
    Day
    49°
    Rain
    Forecast day icon
    Night
    41°
    Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers. Highs around 50. North winds 15 to 20 mph. Chance of rain 90 percent.
    Night Details
    Rain showers. Lows in the upper 30s. Northeast winds 15 to 20 mph. Chance of rain 90 percent.
  • Forecast day icon
    Sunday
    Rain Showers
    43°
    Forecast night icon
    Night
    Partly Cloudy
    35°
    Sunday 4/28
    Day
    43°
    Rain Showers
    Forecast day icon
    Night
    35°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Rain showers. Highs in the mid 40s. North winds 15 to 20 mph. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a slight chance of rain showers in the evening then partly cloudy after midnight. Lows in the mid 30s. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Monday 4/29
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Not as cool with highs in the mid 60s.
    Night Details
    Mostly clear. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    30% Chance Rain Showers
    40°
    Tuesday 4/30
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers in the afternoon. Breezy with highs in the mid 60s. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a 30 percent chance of rain showers. Lows in the upper 30s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Wednesday 5/1
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. A slight chance of showers and thunderstorms. Lows in the lower 40s. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Thursday 5/2
    Day
    60°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of showers. Breezy with highs in the upper 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 39F with an average humidity of 65%. Winds will be 11 mph from the SE.
  • Forecast day icon
    Friday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    51°
    Friday 5/3
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    51°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 46F with an average humidity of 56%. Winds will be 10 mph from the S.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 51F. Dew point will be around 47F with an average humidity of 66%. Winds will be 7 mph from the S.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    66°
    Forecast night icon
    Night
    40% Chance of Rain
    48°
    Saturday 5/4
    Day
    66°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 66F. Dew point will be around 45F with an average humidity of 57%. Winds will be 6 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 43F with an average humidity of 66%. Winds will be 3 mph from the NE.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    66°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Sunday 5/5
    Day
    66°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 66F. Dew point will be around 43F with an average humidity of 54%. Winds will be 7 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 43F with an average humidity of 65%. Winds will be 4 mph from the N.