Johnston City, IL Weather Forecast
Williamson County, Illinois
Live radar, warnings and storm tracking for Johnston City, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Johnston City
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Johnston City, IL at a glance
Johnston City is home to about 3,308 people in Williamson County, across 2.1 square miles. It ranks 402nd by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is West Frankfort, 5 miles away.
- County
- Williamson County
- Population
- 3,308 2023 est.
- Land area
- 2.1 sq mi
- People per sq mi
- 1,563
- Forecast point
- 37.8210°N, 88.9293°W
How well can the network see Johnston City?
The nearest Doppler radar is KPAH (Paducah, KY), to the S. Its lowest scan passes about 3,800 ft above Johnston City. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KMWA (Marion Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Johnston City
- West Frankfort, IL5 mi
- Herrin, IL6 mi
- Marion, IL6 mi
- Carterville, IL9 mi
- Christopher, IL12 mi
- Benton, IL13 mi
- Carbondale, IL17 mi
- Du Quoin, IL21 mi
Elsewhere in Illinois
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