10-Day Weather Forecast - Ottawa, IL

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  • 68|51°F
    Thunderstorms
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    Today

    68°F

    Showers with a chance of thunderstorms through early afternoon. Showers with thunderstorms likely late. Windy. Highs in the mid 60s. Southeast winds 20 to 30 mph with gusts up to 45 mph in the early to mid afternoon becoming south 15 to 20 mph with gusts up to 35 mph late. Chance of precipitation near 100 percent.

    Tonight

    51°F

    Mostly cloudy. Showers with a chance of thunderstorms early in the evening then a slight chance of showers late in the evening. Breezy with lows around 50. Southwest winds 15 to 25 mph becoming west 15 to 20 mph after midnight. Gusts up to 35 mph. Chance of precipitation 80 percent.

    Hourly details
  • Day

    61°F

    Mostly cloudy. Highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph becoming northwest 5 to 10 mph in the afternoon.

    Night

    48°F

    Mostly cloudy. A slight chance of showers. Lows in the upper 40s. North winds 5 to 10 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    59°F

    Partly cloudy. Highs in the lower 60s. North winds 10 to 15 mph.

    Night

    41°F

    Mostly clear. Lows around 40.

    Hourly details
  • Day

    59°F

    Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 60s.

    Night

    41°F

    Partly cloudy. Lows in the upper 30s.

    Hourly details
  • Day

    55°F

    Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 50s.

    Night

    38°F

    Partly cloudy in the evening then clearing. Lows in the upper 30s.

    Hourly details
  • Weekend Weather

  • Day

    60°F

    Mostly sunny. Highs in the lower 60s.

    Night

    43°F

    Partly cloudy in the evening then becoming mostly clear. Lows in the lower 40s.

    Hourly details
  • Day

    68°F

    Partly cloudy in the morning then clearing. Highs in the lower 70s.

    Night

    47°F

    Partly cloudy. Low temperature around 47F. Dew point will be around 47F with an average humidity of 73%. Winds will be 6 mph from the SW.

  • Day

    65°F

    Partly cloudy. High temperature around 65F. Dew point will be around 47F with an average humidity of 69%. Winds will be 6 mph from the W.

    Night

    48°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 46F with an average humidity of 74%. Winds will be 4 mph from the S.

  • Day

    62°F

    Partly cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 62F. Dew point will be around 47F with an average humidity of 71%. Winds will be 5 mph from the SW.

    Night

    46°F

    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 46F. Dew point will be around 46F with an average humidity of 76%. Winds will be 2 mph from the W.

  • Day

    60°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 60F. Dew point will be around 44F with an average humidity of 70%. Winds will be 6 mph from the NW.

    Night

    45°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 44F with an average humidity of 75%. Winds will be 2 mph from the NW.