Marion, IL Weather Forecast
Williamson County, Illinois
Live radar, warnings and storm tracking for Marion, 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 Marion
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Marion, IL at a glance
Marion is home to about 16,852 people in Williamson County, across 14 square miles. It ranks 151st by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Johnston City, 6 miles away.
- County
- Williamson County
- Population
- 16,852 2023 est.
- Land area
- 14 sq mi
- People per sq mi
- 1,170
- Forecast point
- 37.7344°N, 88.9412°W
How well can the network see Marion?
The nearest Doppler radar is KPAH (Paducah, KY), to the SSE. Its lowest scan passes about 3,300 ft above Marion. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KMWA (Marion Rgnl). Close enough that its readings are the conditions in town.
Forecasts near Marion
- Johnston City, IL6 mi
- Herrin, IL7 mi
- Carterville, IL8 mi
- West Frankfort, IL11 mi
- Carbondale, IL15 mi
- Christopher, IL17 mi
- Benton, IL19 mi
- Murphysboro, IL21 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →