Isham Lake Weather Forecast

    • 22
    • 45

    Slight Chance Rain Showers

    • 29
    • 49

    Breezy

    • 34
    • 58

    Mostly Sunny

    • 43
    • 75

    Partly Sunny

    • 50
    • 78

    Mostly Sunny

    • 56
    • 85

    Chance Rain Showers

Today 17 Apr Aurora

Cloudy, windy and much cooler with Highs in the upper 40s. North Winds 20 to 30 Mph, becoming northwest 30 to 35 Mph this afternoon.

Tonight 17 Apr Aurora

Mostly cloudy in the Evening, then clearing. Windy, cooler with Lows in the lower 20s. Northwest Winds 20 to 30 Mph with Gusts up to 40 Mph, Diminishing to 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isham Lake Temperature Statistics

April Temperature

Chamberlain, Chamberlain Municipal Airport (29.2 miles)

  • Lowest 10 April, 2026

    18.5 °F

  • Average April

    43.4 °F

  • Highest 12 April, 2026

    79.7 °F

Climate (2021–Present)

Chamberlain, Chamberlain Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.7 °F
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