Illinois River State Park Weather Forecast
- 47
- 65
Rain Showers
- 41
- 55
Rain
- 40
- 53
Rain
- 40
- 59
Chance Rain
- 44
- 69
Chance Rain
- 43
- 69
Slight Chance Rain
Today 24 Oct Eastern Curry County and Josephine County
Mostly cloudy. Chance of rain early this Morning, then rain early this afternoon. Showers and slight chance of Thunderstorms late this afternoon. Locally heavy rainfall possible late this afternoon. Highs in the mid 50s to mid 60s. In the Valleys, south Winds 5 to 10 Mph shifting to the southwest 10 to 20 Mph late this afternoon. At higher Elevations, south Winds 15 to 25 Mph. Chance of precipitation 90 percent.
Tonight 24 Oct Eastern Curry County and Josephine County
Cloudy with Showers and slight chance of Thunderstorms. Locally heavy rainfall possible. Lows in the mid 40s to lower 50s. South Winds 10 to 15 Mph in the Valleys and south 15 to 20 Mph at higher Elevations. Chance of precipitation 80 percent.
Illinois River State Park Temperature Statistics
October Temperature
Brookings, Brookings Airport (32.3 miles)
Lowest 9 October, 2025
45 °FAverage October
57.5 °FHighest 6 October, 2025
80.1 °F
Climate (2020–Present)
Brookings, Brookings Airport (32.3 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
53.1 °FAverage High 2020–2025
60.3 °F