Merna, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Saturday
    Sunny
    73°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Saturday 5/11
    Day
    73°
    Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 40F with an average humidity of 51%. Winds will be 17 mph from the NW.
    Night Details
    Mostly clear. Lows in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph becoming south around 5 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    80°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Sunday 5/12
    Day
    80°
    Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Not as cool with lows in the upper 50s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Thunderstorms
    71°
    Forecast night icon
    Night
    Thunderstorms
    58°
    Monday 5/13
    Day
    71°
    Thunderstorms
    Forecast day icon
    Night
    58°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    A chance of showers in the morning then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Temperature falling into the upper 60s in the afternoon. South winds 10 to 15 mph. Chance of rain near 100 percent.
    Night Details
    A chance of thunderstorms. Showers mainly in the evening. Lows in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph becoming east after midnight. Chance of rain near 100 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    65°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Tuesday 5/14
    Day
    65°
    50% Chance of Storms
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Wednesday
    Sunny
    71°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Wednesday 5/15
    Day
    71°
    Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    58°
    Thursday 5/16
    Day
    73°
    50% Chance Rain Showers
    Forecast day icon
    Night
    58°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Friday 5/17
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear. Lows in the upper 50s. Highs around 80.
  • Forecast day icon
    Saturday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Clear
    57°
    Saturday 5/18
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the upper 50s. Highs around 80.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 71%. Winds will be 6 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    75°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Sunday 5/19
    Day
    75°
    Sunny
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 75F. Dew point will be around 52F with an average humidity of 57%. Winds will be 8 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 55F. Dew point will be around 51F with an average humidity of 68%. Winds will be 3 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    75°
    Forecast night icon
    Night
    50% Chance of Rain
    58°
    Monday 5/20
    Day
    75°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 75F. Dew point will be around 51F with an average humidity of 57%. Winds will be 4 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 58F. Dew point will be around 53F with an average humidity of 70%. Winds will be 5 mph from the S.