10-Day Weather Forecast - Decorah, IA

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  • Weekend Weather

  • |16°F
    Snow
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    Tonight

    16°F

    Snow. Snow accumulation of 2 to 4 inches. Lows around 4 above. Northeast winds 5 to 10 mph. Chance of snow 100 percent.

    Hourly details
  • Day

    13°F

    Mostly sunny. Colder with highs around 12. North winds 5 to 10 mph.

    Night

    5°F

    Mostly cloudy. Cold with lows around 2 below. Temperature rising to around 7 above after midnight. North winds around 5 mph becoming southeast after midnight.

    Hourly details
  • Day

    18°F

    Not as cold. Mostly cloudy. Highs in the lower 20s. South winds 10 to 15 mph.

    Night

    18°F

    Not as cool. Mostly cloudy. Lows around 14. Temperature rising into the in the mid 20s after midnight. Southwest winds 10 to 15 mph.

    Hourly details
  • Day

    32°F

    Not as cold. Partly sunny in the morning then becoming mostly cloudy. A chance of rain and snow. Highs in the mid 30s. Chance of precipitation 40 percent.

    Night

    31°F

    Rain likely and a chance of snow. Lows in the lower 20s. Chance of precipitation 70 percent.

    Hourly details
  • Day

    30°F

    Mostly cloudy. Highs in the upper 20s. Lows around 10 above.

    Night

    14°F

    Mostly cloudy. Highs in the upper 20s. Lows around 10 above.

    Hourly details
  • Day

    21°F

    Mostly cloudy with a 30 percent chance of snow. Highs around 20.

    Night

    7°F

    Mostly cloudy. Lows around zero. Highs 5 to 10 above.

    Hourly details
  • Day

    11°F

    Mostly cloudy. Lows around zero. Highs 5 to 10 above.

    Night

    -2°F

    Cold. Mostly cloudy. Lows around 10 below.

    Hourly details
  • Weekend Weather

  • Day

    6°F

    Mostly sunny. Highs zero to 5 above zero.

    Night

    1°F

    Mostly cloudy. Low temperature around 1F. Dew point will be around 2F with an average humidity of 94%. Winds will be 3 mph from the NW.

  • Day

    12°F

    Cloudy. High temperature around 12F. Dew point will be around 8F with an average humidity of 89%. Winds will be 4 mph from the SW.

    Night

    6°F

    Mostly cloudy. Low temperature around 6F. Dew point will be around 6F with an average humidity of 93%. Winds will be 3 mph from the W.

  • Day

    13°F

    Partly cloudy. High temperature around 13F. Dew point will be around 8F with an average humidity of 88%. Winds will be 3 mph from the W.

    Night

    7°F

    Partly cloudy. Low temperature around 7F. Dew point will be around 7F with an average humidity of 93%. Winds will be 2 mph from the SW.