Illinois River State Park Weather Forecast

    • 44
    • 67

    Increasing Clouds

    • 44
    • 72

    Partly Sunny

    • 44
    • 76

    Mostly Sunny

    • 44
    • 78

    Mostly Sunny

    • 45
    • 77

    Partly Sunny

    • 46
    • 76

    Slight Chance Rain

    • 46
    • 80

    Mostly Sunny

Today 27 Jun Eastern Curry County and Josephine County

Mostly cloudy with a 30 percent chance of rain. Highs in the mid 50s to mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 27 Jun Eastern Curry County and Josephine County

Partly cloudy in the evening then becoming mostly cloudy. A 10 percent chance of rain. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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Illinois River State Park Temperature Statistics

June Temperature

Brookings, Brookings Airport (32.3 miles)

  • Lowest 5 June, 2026

    46 °F

  • Average June

    57.6 °F

  • Highest 13 June, 2026

    96.1 °F

Climate (2021–2026)

Brookings, Brookings Airport (32.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    60.6 °F
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