Tiskilwa Weather Forecast
- 59
- 82
Becoming Sunny
- 61
- 84
Mostly Sunny
- 69
- 83
Slight Chance Thunderstorms
- 74
- 90
Slight Chance Thunderstorms
- 74
- 91
Chance Rain Showers
- 73
- 90
Chance Rain Showers
- 72
- 90
Partly Sunny
Today 27 Aug Bureau
Mostly sunny. Near steady temperature in the lower 80s. Northwest Winds around 5 Mph.
Tonight 27 Aug Bureau
Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.
Tiskilwa Temperature Statistics
August Temperature
Illinois Valley Regional Airport (18.6 miles)
Lowest 23 August, 2026
55.4 °FAverage August
73 °FHighest 10 August, 2026
89.6 °F
Climate (2021–2026)
Illinois Valley Regional Airport (18.6 miles)
Average Low 2021–2026
43.3 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
62.6 °F