| NWS Forecast for: O'Fallon IL Issued by: National Weather Service Saint Louis, MO Last Update: 5:52 pm CDT Jun 15, 2024 |  |
Tonight: Mostly clear, with a low around 71. Southeast wind around 8 mph. Sunday: Sunny and hot, with a high near 97. Heat index values as high as 103. South wind 7 to 13 mph. Sunday Night: Mostly clear, with a low around 75. South wind 6 to 10 mph. Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 100. South wind 7 to 15 mph, with gusts as high as 24 mph. Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South wind 9 to 14 mph, with gusts as high as 23 mph. Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Tuesday Night: Mostly cloudy, with a low around 73. Juneteenth: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 30%. Wednesday Night: Mostly cloudy, with a low around 73. Thursday: Partly sunny, with a high near 93. Thursday Night: Partly cloudy, with a low around 73. Friday: Mostly sunny, with a high near 95. Friday Night: Partly cloudy, with a low around 74. Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. | |
| O'Fallon IL 38.59°N 89.92°W (Elev. 551 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |
