Illinois River State Park Weather Forecast

    • 54
    • 91

    Increasing Clouds

    • 47
    • 84

    Chance Rain

    • 43
    • 72

    Chance Rain

    • 43
    • 78

    Partly Sunny

    • 40
    • 75

    Partly Sunny

    • 40
    • 72

    Partly Sunny

Today 11 May Eastern Curry County and Josephine County

Sunny. Highs in the mid 70s to mid 80s. Northeast Winds 5 to 10 Mph shifting to the northwest late in the afternoon.

Tonight 11 May Eastern Curry County and Josephine County

Partly cloudy. Lows in the mid 50s to lower 60s. North Winds 5 to 10 Mph shifting to the east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Illinois River State Park Temperature Statistics

May Temperature

Brookings, Brookings Airport (32.3 miles)

  • Lowest 7 May, 2026

    48.9 °F

  • Average May

    52.9 °F

  • Highest 1 May, 2026

    60.1 °F

Climate (2021–Present)

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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