Johnston City, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    49°
    Thursday 3/28
    Forecast night icon
    49°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the lower 40s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Sunny
    71°
    Forecast night icon
    Night
    Mostly Cloudy
    59°
    Friday 3/29
    Day
    71°
    Sunny
    Forecast day icon
    Night
    59°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. Southwest winds 15 to 20 mph.
    Night Details
    Mostly cloudy. Lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    30% Chance Rain Showers
    58°
    Saturday 3/30
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph.
    Night Details
    A chance of showers in the evening. Mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    77°
    Forecast night icon
    Night
    Mostly Cloudy
    66°
    Sunday 3/31
    Day
    77°
    Mostly Cloudy
    Forecast day icon
    Night
    66°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the upper 70s. Lows in the mid 60s.
    Night Details
    Mostly cloudy. Highs in the upper 70s. Lows in the mid 60s.
  • Forecast day icon
    Monday
    50% Chance of Storms
    76°
    Forecast night icon
    Night
    80% Chance of Storms
    60°
    Monday 4/1
    Day
    76°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    80% Chance of Storms
    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 upper 70s. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms. Showers mainly in the evening. Lows in the mid 50s. Chance of rain 80 percent.
  • Forecast day icon
    Tuesday
    50% Chance Rain Showers
    60°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Tuesday 4/2
    Day
    60°
    50% Chance Rain Showers
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    A chance of showers in the morning. Mostly sunny. Highs in the upper 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Cooler with lows in the upper 30s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    56°
    Forecast night icon
    Night
    Mostly Clear
    40°
    Wednesday 4/3
    Day
    56°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
    Night Details
    Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
  • Forecast day icon
    Thursday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    48°
    Thursday 4/4
    Day
    69°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs in the mid 60s.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 41F with an average humidity of 63%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Friday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    51°
    Friday 4/5
    Day
    72°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 72F. Dew point will be around 46F with an average humidity of 55%. Winds will be 4 mph from the S.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 46F with an average humidity of 63%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Saturday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Saturday 4/6
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 72F. Dew point will be around 48F with an average humidity of 57%. Winds will be 6 mph from the SE.
    Night Details
    Mostly clear. Low temperature around 53F. Dew point will be around 48F with an average humidity of 67%. Winds will be 5 mph from the SE.