Hannibal Weather Forecast

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    Snow Showers

    • 15
    • 20

    Snow Showers

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    • 26

    Snow Showers Likely

    • 18
    • 25

    Chance Snow Showers

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    Chance Snow Showers

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    Snow Showers Likely

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    Chance Snow Showers

Today 31 Dec Oswego

Lake effect snow. Snow may be heavy at Times. Additional accumulation 1 to 3 Inches in the most persistent Snows. Highs Ranging from the lower 20s on the tug hill to the upper 20s across the lower Elevations. Southwest Winds 5 to 10 Mph. Chance of snow near 100 percent.

Tonight 31 Dec Oswego

Lake effect snow through the early Overnight, then snow Showers likely late. Snow may be heavy at Times. Additional accumulation 3 to 6 Inches in the most persistent Snows. Lows Ranging from zero to 5 above on the tug hill to 5 to 10 above across the lower Elevations. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow near 100 percent.

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Hannibal Temperature Statistics

December Temperature

Fulton, Oswego County Airport (9.3 miles)

  • Lowest 4 December, 2025

    5 °F

  • Average December

    26.3 °F

  • Highest 19 December, 2025

    54 °F

Climate (2021–Present)

Fulton, Oswego County Airport (9.3 miles)

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  • Average Low 2021–2025

    41 °F

  • Average 2021–2025

    49.6 °F

  • Average High 2021–2025

    58.2 °F
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