Cahokia Heights, IL Weather Forecast
St. Clair County, Illinois
Live radar, warnings and storm tracking for Cahokia Heights, with free alerts the moment it counts.
The next few hours
A dry morning, mostly sunny
It is 53° with a dew point of 36°, which is dry for this time of year. The sky is mostly sunny.
Nothing in the next day and a half is wet enough to move plans for.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 34°. Tomorrow reaches 46°, 6° cooler than today. The humidity goes with it: tomorrow is the more comfortable half of this window, and the safer one for anything outdoors.
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
29–65°F across the weekThe week runs between 28° and 58°, with Wednesday the warmest day of it. There is no real trend across it: one day looks much like the next. Every day in the outlook stays dry.
Free alerts for Cahokia Heights
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Cahokia Heights, IL at a glance
Cahokia Heights is home to about 17,114 people in St. Clair County, across 16 square miles. It ranks 149th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is East St. Louis, 3 miles away.
- County
- St. Clair County
- Population
- 17,114 2023 est.
- Land area
- 16 sq mi
- People per sq mi
- 1,089
- Forecast point
- 38.5721°N, 90.1553°W
How well can the network see Cahokia Heights?
The nearest Doppler radar is KLSX (St. Louis, MO), to the WNW. Its lowest scan passes about 1,800 ft above Cahokia Heights. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Cahokia Heights show up clearly. Cahokia Heights is closer to its radar than 71% of US cities.
The closest weather station is KCPS (St Louis/Downtown Arpt). Close enough that its readings are the conditions in town.
Forecasts near Cahokia Heights
- East St. Louis, IL3 mi
- Dupo, IL5 mi
- St. Louis, MO7 mi
- Caseyville, IL8 mi
- Fairview Heights, IL8 mi
- Madison, IL8 mi
- Columbia, IL9 mi
- Millstadt, IL9 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →