Currently: 68 °F. Passing clouds. (Weather station: Lambert-St. Louis International Airport, USA). See more current weatherHour-by-hour Forecast in Cahokia Mounds State Historic SIte — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 7:00 am Mon, May 19 |  | 64 °F | Sprinkles. Overcast. | 64 °F | 5 mph | ↑ | 79% | 45% | 0.00" (rain) |
| 8:00 am | | 66 °F | Sprinkles. Overcast. | 66 °F | 7 mph | ↑ | 76% | 60% | 0.02" (rain) |
| 9:00 am | | 67 °F | Sprinkles. Overcast. | 67 °F | 9 mph | ↑ | 76% | 57% | 0.02" (rain) |
| 10:00 am | | 69 °F | Sprinkles. Overcast. | 69 °F | 11 mph | ↑ | 74% | 41% | 0.00" (rain) |
| 11:00 am | | 71 °F | Sprinkles. Overcast. | 74 °F | 11 mph | ↑ | 71% | 27% | 0.00" (rain) |
| 12:00 pm |  | 73 °F | Passing showers. Overcast. | 75 °F | 12 mph | ↑ | 69% | 25% | 0.00" (rain) |
| 1:00 pm | | 74 °F | Passing showers. Overcast. | 76 °F | 12 mph | ↑ | 68% | 25% | 0.00" (rain) |
| 2:00 pm |  | 76 °F | Isolated tstorms. Overcast. | 78 °F | 13 mph | ↑ | 67% | 14% | 0.00" (rain) |
| 3:00 pm | | 76 °F | Isolated tstorms. Overcast. | 78 °F | 14 mph | ↑ | 69% | 19% | 0.00" (rain) |
| 4:00 pm | | 76 °F | Isolated tstorms. Overcast. | 78 °F | 15 mph | ↑ | 70% | 22% | 0.00" (rain) |
| 5:00 pm | | 76 °F | Isolated tstorms. Overcast. | 78 °F | 15 mph | ↑ | 71% | 21% | 0.00" (rain) |
| 6:00 pm | | 76 °F | Isolated tstorms. Overcast. | 78 °F | 15 mph | ↑ | 72% | 17% | 0.00" (rain) |
| 7:00 pm | | 76 °F | Isolated tstorms. Overcast. | 78 °F | 15 mph | ↑ | 73% | 15% | 0.00" (rain) |
| 8:00 pm | | 74 °F | Isolated tstorms. Overcast. | 75 °F | 14 mph | ↑ | 78% | 64% | 0.01" (rain) |
| 9:00 pm |  | 73 °F | A few showers. Overcast. | 74 °F | 14 mph | ↑ | 80% | 81% | 0.02" (rain) |
| 10:00 pm | | 71 °F | Light showers. Overcast. | 69 °F | 14 mph | ↑ | 86% | 81% | 0.04" (rain) |
| 11:00 pm | | 70 °F | Rain showers. Overcast. | 69 °F | 12 mph | ↑ | 86% | 80% | 0.07" (rain) |
| 12:00 am Tue, May 20 | | 70 °F | Rain showers. Overcast. | 69 °F | 9 mph | ↑ | 85% | 81% | 0.12" (rain) |
| 1:00 am | | 69 °F | Rain showers. Overcast. | 69 °F | 8 mph | ↑ | 87% | 80% | 0.14" (rain) |
| 2:00 am | | 69 °F | Rain showers. Overcast. | 69 °F | 8 mph | ↑ | 86% | 76% | 0.13" (rain) |
| 3:00 am | | 69 °F | Rain showers. Cloudy. | 69 °F | 8 mph | ↑ | 86% | 70% | 0.09" (rain) |
| 4:00 am |  | 69 °F | Rain. Cloudy. | 69 °F | 9 mph | ↑ | 87% | 65% | 0.07" (rain) |
| 5:00 am |  | 69 °F | Thunderstorms. Cloudy. | 69 °F | 9 mph | ↑ | 87% | 64% | 0.05" (rain) |
| 6:00 am | | 68 °F | A few tstorms. Cloudy. | 68 °F | 8 mph | ↑ | 88% | 66% | 0.04" (rain) |
| * Updated Monday, May 19, 2025 2:42:54 am Cahokia Mounds State Historic SIte time - Weather by CustomWeather, © 2025 | |||||||||