Saint Marys, Iowa | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    Thunderstorms
    51°
    Thursday 4/25
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. High temperature around 60F. Dew point will be around 43F with an average humidity of 59%. Winds will be 16 mph from the SE.
    Night Details
    Mostly cloudy. Showers and thunderstorms after midnight. Lows in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
  • Forecast day icon
    Friday
    Thunderstorms
    65°
    Forecast night icon
    Night
    70% Chance of Storms
    63°
    Friday 4/26
    Day
    65°
    Thunderstorms
    Forecast day icon
    Night
    63°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms. Highs in the upper 60s. Southeast winds around 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
    Night Details
    Showers and thunderstorms likely mainly in the evening. Breezy with lows around 60. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    60% Chance of Storms
    77°
    Forecast night icon
    Night
    Thunderstorms
    63°
    Saturday 4/27
    Day
    77°
    60% Chance of Storms
    Forecast day icon
    Night
    63°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Breezy with highs in the upper 70s. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent.
    Night Details
    Showers and thunderstorms. Lows around 60. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.
  • Forecast day icon
    Sunday
    Thunderstorms
    70°
    Forecast night icon
    Night
    70% Chance of Storms
    51°
    Sunday 4/28
    Day
    70°
    Thunderstorms
    Forecast day icon
    Night
    51°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms. Breezy with highs in the lower 70s. Chance of rain near 100 percent.
    Night Details
    Showers and thunderstorms likely in the evening. Breezy with lows around 50. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Monday 4/29
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s.
    Night Details
    Mostly clear. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    77°
    Forecast night icon
    Night
    40% Chance of Storms
    55°
    Tuesday 4/30
    Day
    77°
    30% Chance of Storms
    Forecast day icon
    Night
    55°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 50s. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    76°
    Forecast night icon
    Night
    30% Chance Rain Showers
    56°
    Wednesday 5/1
    Day
    76°
    40% Chance Rain Showers
    Forecast day icon
    Night
    56°
    30% Chance Rain Showers
    Forecast night icon
    Day Details
    Mostly sunny with a 40 percent chance of showers. Highs in the mid 70s.
    Night Details
    Mostly clear with a 30 percent chance of showers. Lows around 50.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    54°
    Thursday 5/2
    Day
    72°
    30% Chance Rain Showers
    Forecast day icon
    Night
    54°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a 30 percent chance of showers. Highs in the lower 70s.
    Night Details
    Clear with a chance of rain. Chance of precipitation 40%. Low temperature around 54F. Dew point will be around 52F with an average humidity of 72%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Friday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Friday 5/3
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 69F. Dew point will be around 54F with an average humidity of 73%. Winds will be 7 mph from the SE.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 54F with an average humidity of 75%. Winds will be 8 mph from the SE.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    70°
    Forecast night icon
    Night
    50% Chance of Rain
    58°
    Saturday 5/4
    Day
    70°
    40% Chance of Rain
    Forecast day icon
    Night
    58°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 70F. Dew point will be around 56F with an average humidity of 75%. Winds will be 11 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 58F. Dew point will be around 55F with an average humidity of 74%. Winds will be 8 mph from the S.