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June 10th, 2026 :: 1:02 am CDT   

Local Weather Report for
Johnston City
Illinois, United States

 Current Johnston City Weather Conditions Updated June 9th at 11:55 pm 
Temperature:75°F Dew Point:75°F
Barometer:29.98 inHg Wind:N 6 Mph
Humidity:100.0% Visibility:0M
 
 Johnston City Weather Forecast Summary  
 
Today
Jun 10th
Thursday
Jun 11th
Friday
Jun 12th
Saturday
Jun 13th
Sunday
Jun 14th
Thundershowers Mostly Sunny Mostly Sunny Mostly Sunny Mix of Cloud and Sun
91°F
91°F
75°F
80°F
67°F
83°F
63°F
70°F
66°F
 
 Johnston City Detailed Weather Forecast  
 
Wednesday, June 10th, 2026
Overnight Temperature: 75°F
Clear with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 80°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 91°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy at times.
Thursday, June 11th, 2026
Overnight Temperature: 77°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 80°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 91°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 83°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Friday, June 12th, 2026
Overnight Temperature: 75°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy at times.
Morning Temperature: 69°F
Sunny with cloudy periods with a chance of showers. Windy at times.
Afternoon Temperature: 78°F
Mostly sunny.
Evening Temperature: 73°F
Mostly clear.
Saturday, June 13th, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 82°F
Sunny with cloudy periods.
Evening Temperature: 75°F
Clear with cloudy periods. Slight chance of a thunderstorm.
Sunday, June 14th, 2026
Overnight Temperature: 69°F
A mix of clear and cloudy skies.
Morning Temperature: 69°F
Mostly cloudy.
Afternoon Temperature: 69°F
Cloudy with a chance of showers.
Evening Temperature: 68°F
A mix of clear and cloudy skies with a chance of showers.
Monday, June 15th, 2026
Overnight Temperature: 65°F
Mostly cloudy.
Morning Temperature: 68°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 73°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 67°F
Clear with cloudy periods.
Tuesday, June 16th, 2026
Overnight Temperature: 59°F
Mostly clear.
Morning Temperature: 65°F
A mix of cloud and sun.
Afternoon Temperature: 72°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 62°F
A mix of clear and cloudy skies. Windy at times.
Wednesday, June 17th, 2026
Overnight Temperature: 59°F
Cloudy with a slight chance of showers.
Morning Temperature: 58°F
Cloudy with showers likely.
Afternoon Temperature: 70°F
Sunny with cloudy periods with showers likely.
Evening Temperature: 66°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Johnston City, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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