Brown County State Lake Weather Forecast

    • 2
    • 39

    Increasing Clouds

    • -2
    • 7

    Cold

    • 0
    • 3

    Snow Likely

    • -5
    • 11

    Partly Sunny

    • 6
    • 19

    Mostly Sunny

    • 11
    • 32

    Partly Sunny

Today 22 Jan Brown

Partly sunny. Cooler with Highs in the upper 30s. Southwest Winds around 5 Mph, becoming northwest in the afternoon.

Tonight 22 Jan Brown

Mostly cloudy. Much Colder with Lows around 2 above. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 10 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brown County State Lake Temperature Statistics

January Temperature

Falls City, Brenner Field Airport (19.3 miles)

  • Lowest 17 January, 2026

    7 °F

  • Average January

    32.5 °F

  • Highest 7 January, 2026

    66.9 °F

Climate (2021–Present)

Falls City, Brenner Field Airport (19.3 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    66.3 °F
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