10-Day Weather Forecast - Union, IL

As of

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  • 74|59°F
    Sunny

    Today

    74°F

    Sunny. Temperatures in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.

    Tonight

    59°F

    Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers late in the evening. A slight chance of thunderstorms in the late evening and overnight. A chance of showers after midnight. Lows in the upper 50s. South winds 10 to 15 mph. Chance of precipitation 30 percent.

    Hourly details
  • 66|42°F
    Mostly Cloudy

    Day

    66°F

    Mostly cloudy in the morning, then clearing. A slight chance of showers and thunderstorms in the morning. Highs in the mid 60s. West winds around 10 mph, becoming northwest in the afternoon. Chance of precipitation 20 percent.

    Night

    42°F

    Clear, cooler with lows in the upper 30s. North winds around 5 mph.

    Hourly details
  • 60|51°F
    Partly Cloudy

    Day

    60°F

    Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 60. East winds around 5 mph. Chance of precipitation 20 percent.

    Night

    51°F

    Cloudy. A chance of showers and thunderstorms. Lows around 50. East winds around 5 mph. Chance of precipitation 50 percent.

    Hourly details
  • 63|51°F
    60% Chance of Storms

    Day

    63°F

    A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 50s. Chance of precipitation 60 percent.

    Night

    51°F

    Cloudy with a 20 percent chance of showers. Lows in the upper 40s.

    Hourly details
  • 67|53°F
    Mostly Cloudy

    Day

    67°F

    Mostly cloudy. Highs in the mid 60s.

    Night

    53°F

    Mostly cloudy. Lows in the lower 50s.

    Hourly details
  • 65|58°F
    30% Chance Rain Showers

    Day

    65°F

    Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 60s. Chance of precipitation 30 percent.

    Night

    58°F

    Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.

    Hourly details
  • 65|43°F
    60% Chance Rain Showers

    Day

    65°F

    Showers likely, mainly in the morning. Highs in the upper 60s. Chance of precipitation 60 percent.

    Night

    43°F

    Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of precipitation 60 percent.

  • 56|46°F
    60% Chance Rain Showers

    Day

    56°F

    Showers likely, mainly in the morning. Highs in the mid 60s. Chance of precipitation 60 percent.

    Night

    46°F

    Cloudy with a 25% chance for rain and thunderstorms. Low temperature around 46F. Dew point will be around 41F with an average humidity of 87%. Winds will be 9 mph from the N.

  • 49|36°F
    Cloudy

    Day

    49°F

    Cloudy. High temperature around 49F. Dew point will be around 41F with an average humidity of 69%. Winds will be 11 mph from the N.

    Night

    36°F

    Mostly cloudy. Low temperature around 36F. Dew point will be around 29F with an average humidity of 70%. Winds will be 13 mph from the N.

  • 47|40°F
    Mostly Cloudy

    Day

    47°F

    Mostly cloudy. High temperature around 47F. Dew point will be around 35F with an average humidity of 66%. Winds will be 15 mph from the NNE.

    Night

    40°F

    Mostly cloudy. Low temperature around 40F. Dew point will be around 34F with an average humidity of 76%. Winds will be 11 mph from the NE.