Merna, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    70% Chance of Storms
    69°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 4/29
    Day
    69°
    70% Chance of Storms
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Showers likely with a slight chance of thunderstorms this morning then a slight chance of showers this afternoon. Highs in the lower 70s. Southwest winds 15 to 20 mph. Chance of rain 70 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 40s. West winds 10 to 15 mph.
  • Forecast day icon
    Tuesday
    Sunny
    73°
    Forecast night icon
    Night
    30% Chance Rain Showers
    60°
    Tuesday 4/30
    Day
    73°
    Sunny
    Forecast day icon
    Night
    60°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then mostly cloudy with a chance of showers after midnight. Not as cool with lows in the upper 50s. South winds 15 to 20 mph. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    30% Chance of Storms
    61°
    Wednesday 5/1
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    61°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s. Southwest winds 10 to 15 mph.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 30 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    81°
    Forecast night icon
    Night
    70% Chance of Storms
    62°
    Thursday 5/2
    Day
    81°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Showers likely. Thunderstorms likely mainly in the evening. Lows around 60. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    60% Chance of Storms
    69°
    Forecast night icon
    Night
    40% Chance Rain Showers
    51°
    Friday 5/3
    Day
    69°
    60% Chance of Storms
    Forecast day icon
    Night
    51°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A chance of thunderstorms in the morning. Showers likely. Cooler with highs in the lower 70s. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Cooler with lows around 50. Chance of rain 40 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Saturday 5/4
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.
    Night Details
    Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Sunday 5/5
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.
    Night Details
    Mostly clear. Low temperature around 54F. Dew point will be around 53F with an average humidity of 78%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Monday
    40% Chance of Rain
    73°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Monday 5/6
    Day
    73°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 73F. Dew point will be around 53F with an average humidity of 66%. Winds will be 6 mph from the S.
    Night Details
    Clear with a chance of rain. Chance of precipitation 40%. Low temperature around 56F. Dew point will be around 55F with an average humidity of 78%. Winds will be 8 mph from the S.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    55°
    Tuesday 5/7
    Day
    71°
    50% Chance of Rain
    Forecast day icon
    Night
    55°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 71F. Dew point will be around 56F with an average humidity of 71%. Winds will be 11 mph from the S.
    Night Details
    Clear with a chance of rain. Chance of precipitation 40%. Low temperature around 55F. Dew point will be around 55F with an average humidity of 79%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Wednesday
    Sunny
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Wednesday 5/8
    Day
    72°
    Sunny
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 72F. Dew point will be around 54F with an average humidity of 68%. Winds will be 7 mph from the SW.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 54F with an average humidity of 79%. Winds will be 5 mph from the SW.