Mascoutah, IL Weather Forecast
St. Clair County, Illinois
Live radar, warnings and storm tracking for Mascoutah, 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 Mascoutah
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Mascoutah, IL at a glance
Mascoutah is home to about 8,916 people in St. Clair County, across 9.6 square miles. It ranks 240th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is New Baden, 5 miles away.
- County
- St. Clair County
- Population
- 8,916 2023 est.
- Land area
- 9.6 sq mi
- People per sq mi
- 925
- Forecast point
- 38.5181°N, 89.8000°W
How well can the network see Mascoutah?
The nearest Doppler radar is KLSX (St. Louis, MO), to the WNW. Its lowest scan passes about 3,500 ft above Mascoutah. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KBLV (Belleville/Scott AFB). Close enough that its readings are the conditions in town.
Forecasts near Mascoutah
- New Baden, IL5 mi
- Lebanon, IL6 mi
- Shiloh, IL7 mi
- Freeburg, IL8 mi
- O'Fallon, IL8 mi
- Trenton, IL9 mi
- Belleville, IL10 mi
- Swansea, IL10 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →