KVYS temperature trend
Illinois Valley Regional Airport Walter A Duncan Field
Temperature and dew point over time. The gap between them is what decides fog, and the temperature itself is what decides your density altitude and takeoff run.
Warmest
31 °C
Sep 17, 2026
Coldest
9 °C
Sep 28, 2026
Mean temperature
19.8 °C
Mean dew point
15.6 °C
1,217 archived observations · Archive updated continuously
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