| NWS Forecast for: Decatur Airport IL Issued by: National Weather Service Lincoln, IL Last Update: 9:42 pm CDT Jun 30, 2025 |  |
Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 70. West northwest wind 5 to 7 mph. Chance of precipitation is 30%. Tuesday: Sunny, with a high near 86. North northwest wind 7 to 10 mph, with gusts as high as 15 mph. Tuesday Night: Mostly clear, with a low around 66. North northwest wind 5 to 7 mph becoming calm in the evening. Wednesday: Sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 68. West wind around 6 mph becoming calm in the evening. Thursday: Sunny, with a high near 91. Calm wind becoming west around 5 mph in the morning. Thursday Night: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight. Independence Day: Sunny, with a high near 93. Friday Night: Mostly clear, with a low around 73. Saturday: Mostly sunny, with a high near 94. Saturday Night: A chance of showers. Partly cloudy, with a low around 74. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 91. Sunday Night: A chance of showers. Partly cloudy, with a low around 71. Monday: A chance of showers. Mostly sunny, with a high near 90. | |
| Decatur Airport IL 39.84°N 88.88°W (Elev. 650 ft) | |
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