10-Day Weather Forecast - Grinnell, IA

As of

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  • |72°F
    50% Chance of Rain

    Tonight

    72°F

    Mostly clear with a chance of rain. Chance of precipitation 50%. Low temperature around 72F. Dew point will be around 73F with an average humidity of 91%. Winds will be 4 mph from the E.

    Hourly details
  • 77|70°F
    Thunderstorms

    Day

    77°F

    A slight chance of showers and thunderstorms after midnight, then showers with a chance of thunderstorms. Humid with highs in the upper 70s. East winds 5 to 10 mph. Gusts up to 25 mph. Chance of rain 90 percent.

    Night

    70°F

    Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • 80|74°F
    70% Chance of Storms

    Day

    80°F

    Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 70 percent.

    Night

    74°F

    A chance of thunderstorms. Showers likely. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • 87|73°F
    30% Chance of Storms

    Day

    87°F

    Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 102 in the afternoon.

    Night

    73°F

    Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 70 percent.

    Hourly details
  • 79|64°F
    40% Chance of Storms

    Day

    79°F

    Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms, mainly in the morning. Highs in the lower 80s. Chance of rain 40 percent.

    Night

    64°F

    Mostly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent.

    Hourly details
  • 76|63°F
    Sunny

    Day

    76°F

    Sunny. Highs in the upper 70s.

    Night

    63°F

    Mostly clear. Lows in the lower 60s.

    Hourly details
  • 78|70°F
    Mostly Sunny

    Day

    78°F

    Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

    Night

    70°F

    Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40 percent.

    Hourly details
  • 83|70°F
    Partly Sunny

    Day

    83°F

    Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 80s. Chance of rain 20 percent.

    Night

    70°F

    Clear with a 25% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 69F with an average humidity of 88%. Winds will be 1 mph from the E.

  • 80|68°F
    Sunny

    Day

    80°F

    Sunny. High temperature around 80F. Dew point will be around 70F with an average humidity of 83%. Winds will be 1 mph from the W.

    Night

    68°F

    Clear. Low temperature around 68F. Dew point will be around 68F with an average humidity of 86%. Winds will be 1 mph from the E.

  • 80|67°F
    30% Chance of Rain

    Day

    80°F

    Sunny with a 25% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 68F with an average humidity of 79%. Winds will be 1 mph from the SW.

    Night

    67°F

    Clear with a 25% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 66F with an average humidity of 83%. Winds will be 1 mph from the SW.