Weather forecast for: Saint David IL
Last Update: 1:26 am CDT Sep 15, 2026
Overnight: Partly cloudy, with a low around 70. South wind around 11 mph, with gusts as high as 25 mph.
Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. Heat index values as high as 100. South wind 5 to 8 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night: Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 65. North northeast wind 3 to 6 mph. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 83. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: A 50 percent chance of showers after 1am. Partly cloudy, with a low around 69. Calm wind.
Thursday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 87. Light and variable wind.
Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Light northeast wind.
Friday: A 50 percent chance of showers before 1pm. Mostly sunny, with a high near 85.
Friday Night: Partly cloudy, with a low around 68.
Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 86.
Saturday Night: Showers likely. Mostly cloudy, with a low around 64.
Sunday: A chance of showers. Partly sunny, with a high near 76.
Sunday Night: Mostly cloudy, with a low around 58.
Monday: Mostly sunny, with a high near 72.