10-Day Weather Forecast - Mattoon, IL

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  • |77°F
    Mostly Clear

    Tonight

    77°F

    Mostly clear. Near steady temperature in the mid 70s. Southwest winds around 10 mph.

    Hourly details
  • 90|74°F
    40% Chance of Storms

    Day

    90°F

    Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 103.

    Night

    74°F

    Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows around 70. South winds 5 to 10 mph. Chance of rain 40 percent.

    Hourly details
  • 86|73°F
    40% Chance of Storms

    Day

    86°F

    Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

    Night

    73°F

    Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming northeast after midnight. Chance of rain 50 percent.

    Hourly details
  • 84|72°F
    50% Chance of Storms

    Day

    84°F

    Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

    Night

    72°F

    Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 70 percent.

    Hourly details
  • 83|72°F
    40% Chance Rain Showers

    Day

    83°F

    Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

    Night

    72°F

    Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.

    Hourly details
  • 87|73°F
    Partly Cloudy

    Day

    87°F

    Partly cloudy. Highs in the upper 80s.

    Night

    73°F

    Partly cloudy. Lows in the lower 70s.

    Hourly details
  • 87|71°F
    Partly Cloudy

    Day

    87°F

    Partly cloudy. Highs in the upper 80s.

    Night

    71°F

    Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.

    Hourly details
  • 82|67°F
    Mostly Sunny

    Day

    82°F

    Mostly sunny. Highs around 80.

    Night

    67°F

    Mostly clear with a 25% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 69F with an average humidity of 94%. Winds will be 4 mph from the E.

  • 82|69°F
    Mostly Sunny

    Day

    82°F

    Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 82F. Dew point will be around 68F with an average humidity of 76%. Winds will be 3 mph from the E.

    Night

    69°F

    Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 69F. Dew point will be around 69F with an average humidity of 87%. Winds will be 2 mph from the SE.

  • 85|69°F
    Sunny

    Day

    85°F

    Sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 85F. Dew point will be around 70F with an average humidity of 74%. Winds will be 3 mph from the SW.

    Night

    69°F

    Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 69F. Dew point will be around 70F with an average humidity of 87%. Winds will be 2 mph from the S.