Rock Island Weather Forecast

    • 22
    • 48

    Patchy Freezing Fog

    • 9
    • 39

    Partly Sunny

    • 14
    • 28

    Partly Sunny

    • 22
    • 43

    Mostly Sunny

    • 34
    • 53

    Partly Sunny

    • 32
    • 51

    Chance Rain Showers

    • 25
    • 48

    Slight Chance Rain Showers

Today 29 Jan Le Flore

Mostly sunny. Highs in the upper 40s. Southeast Winds 5 to 10 Mph.

Tonight 29 Jan Le Flore

Mostly cloudy this Evening, then becoming partly cloudy. Cold with Lows in the lower 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Temperature Statistics

January Temperature

Fort Smith Regional Airport (11.8 miles)

  • Lowest 27 January, 2026

    5 °F

  • Average January

    41.2 °F

  • Highest 7 January, 2026

    74.6 °F

Climate (2021–Present)

Fort Smith Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    53.8 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    75.4 °F
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