Flagg Weather Forecast

    • 62
    • 82

    Rain Showers

    • 62
    • 86

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 61
    • 90

    Partly Sunny

    • 62
    • 89

    Mostly Cloudy

    • 60
    • 86

    Chance Rain Showers

Today 13 Sep Ogle

Mostly cloudy through mid Afternoon, then becoming partly cloudy. Numerous Showers and scattered Thunderstorms in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 13 Sep Ogle

Partly cloudy through the early Overnight, then becoming mostly clear. Patchy fog after midnight. Lows in the lower 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flagg Temperature Statistics

September Temperature

Rochelle, Rochelle Municipal-Koritz Field Airport (2.5 miles)

  • Lowest 7 September, 2025

    34.7 °F

  • Average September

    58.5 °F

  • Highest 10 September, 2025

    79.3 °F

Climate (2020–Present)

Rochelle, Rochelle Municipal-Koritz Field Airport (2.5 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    59.8 °F
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