Wind
SSE
7 mph
G 0 mph
Local Forecast
Johnston City, IL Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Johnston City, IL.
Get Alerts No Active Alerts
Hour-by-Hour Current Observation
Friday 3:55 AM CDTFriday 3:55 AM
°F
°C
54°F
Clear
- 84° / 68° High / Low
- 54° Feels Like
- 0% Chance of Rain
UV Index
0
None
Humidity
57%
Dew 40°F
Sun
5:46 AM · 7:57 PM
Rise · Set
Source: MARION REGIONAL (KMWA). Slider scrubs the next 12 hours.
5-Day Outlook
Through Tuesday
Today
84° 68°
Isolated T-storm
Overnight: Chance of Thunderstorms
Detailed forecast
Today
A slight chance of showers and thunderstorms between 9am and 10am. Partly sunny, with a high near 83. South wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Night
A slight chance of showers and thunderstorms after 9pm. Mostly cloudy. Low around 68, with temperatures rising to around 71 overnight. South wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
86° 68°
Chance of Thunderstorms
Overnight: Mostly Cloudy
Detailed forecast
Saturday
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. South wind 8 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
89° 71°
Mostly Sunny
Overnight: Clear
Detailed forecast
Sunday
Sunny, with a high near 89. South wind 8 to 16 mph, with gusts as high as 24 mph.
Night
Mostly clear, with a low around 71. South wind around 14 mph, with gusts as high as 22 mph.
Monday
91° 75°
Partly Sunny
Overnight: Chance of Scattered Thunderstorms
Detailed forecast
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind 12 to 18 mph, with gusts as high as 26 mph.
Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 13 to 17 mph, with gusts as high as 24 mph.
Tuesday
89° 68°
Chance of Thunderstorms
Overnight: Thunderstorms Likely
Detailed forecast
Tuesday
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. South southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. West southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Johnston City, IL Weather Analysis Tools
