Mount Vernon, IL Weather Forecast
Jefferson County, Illinois
Live radar, warnings and storm tracking for Mount Vernon, 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 Mount Vernon
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Mount Vernon, IL at a glance
Mount Vernon is home to about 14,247 people in Jefferson County, across 15 square miles. It ranks 172nd by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Centralia, 18 miles away.
- County
- Jefferson County
- Population
- 14,247 2023 est.
- Land area
- 15 sq mi
- People per sq mi
- 973
- Forecast point
- 38.3142°N, 88.9175°W
How well can the network see Mount Vernon?
The nearest Doppler radar is KVWX (Evansville, IN), to the E. Its lowest scan passes about 5,100 ft above Mount Vernon. The beam is above the lowest few thousand feet here, so a warning for Mount Vernon can come before anything looks dramatic on radar.
The closest weather station is KMVN (Mount Vernon Arpt). Close enough that its readings are the conditions in town.
Forecasts near Mount Vernon
- Centralia, IL18 mi
- Benton, IL21 mi
- Salem, IL22 mi
- Christopher, IL25 mi
- Nashville, IL25 mi
- McLeansboro, IL26 mi
- Pinckneyville, IL27 mi
- Du Quoin, IL28 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

