10-Day Weather Forecast - Merna, IL

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  • |55°F
    Mostly Clear

    Tonight

    55°F

    Mostly clear. Low temperature around 55F. Dew point will be around 47F with an average humidity of 72%. Winds will be 10 mph from the W.

    Hourly details
  • 75|62°F
    Thunderstorms

    Day

    75°F

    Showers with a chance of thunderstorms this morning then showers and thunderstorms this afternoon. Some thunderstorms may be severe with heavy rainfall. Locally heavy rainfall possible this morning. Windy with highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph increasing to 20 to 30 mph with gusts up to 45 mph this afternoon. Chance of rain near 100 percent.

    Night

    62°F

    Showers and thunderstorms in the evening then mostly clear after midnight. Some thunderstorms may be severe with heavy rainfall. Breezy with lows around 60. West winds 15 to 25 mph. Chance of rain near 100 percent.

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  • 73|57°F
    Mostly Sunny

    Day

    73°F

    Mostly sunny. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 25 mph.

    Night

    57°F

    Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph.

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  • 75|59°F
    Sunny

    Day

    75°F

    Sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph.

    Night

    59°F

    Mostly clear. Lows in the upper 50s.

    Hourly details
  • 78|64°F
    Mostly Sunny

    Day

    78°F

    Mostly sunny. Highs in the lower 80s.

    Night

    64°F

    Partly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.

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  • 75|64°F
    80% Chance of Storms

    Day

    75°F

    Showers likely in the morning then showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 80 percent.

    Night

    64°F

    Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Lows around 60. Chance of rain 70 percent.

    Hourly details
  • 74|58°F
    Partly Cloudy

    Day

    74°F

    Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.

    Night

    58°F

    Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.

    Hourly details
  • 76|61°F
    Partly Cloudy

    Day

    76°F

    Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.

    Night

    61°F

    Mostly clear. Low temperature around 61F. Dew point will be around 59F with an average humidity of 82%. Winds will be 4 mph from the NE.

  • 77|62°F
    Sunny

    Day

    77°F

    Sunny. High temperature around 77F. Dew point will be around 62F with an average humidity of 74%. Winds will be 1 mph from the SE.

    Night

    62°F

    Clear. Low temperature around 62F. Dew point will be around 62F with an average humidity of 83%. Winds will be 1 mph from the N.

  • 79|65°F
    30% Chance of Rain

    Day

    79°F

    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 79F. Dew point will be around 64F with an average humidity of 74%. Winds will be 2 mph from the SW.

    Night

    65°F

    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 65F. Dew point will be around 65F with an average humidity of 84%. Winds will be 2 mph from the S.