Gretna Weather Forecast

    • -6
    • 6

    Cold

    • 22
    • 33

    Snow

    • 15
    • 33

    Mostly Cloudy

    • 15
    • 27

    Chance Snow

    • 14
    • 28

    Mostly Cloudy

    • 20
    • 29

    Mostly Cloudy

    • 21
    • 43

    Partly Sunny

Today 30 Jan Edmunds

Mostly sunny and Colder. Near steady temperature around 5 above. East Winds around 5 Mph.

Tonight 30 Jan Edmunds

Mostly clear this Evening, then becoming partly cloudy. Cold with Lows around 6 below. South Winds 10 to 15 Mph. Wind chill Values as low as 26 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gretna Temperature Statistics

January Temperature

Mobridge, Mobridge Municipal Airport (44.1 miles)

  • Lowest 23 January, 2026

    -20.3 °F

  • Average January

    19.4 °F

  • Highest 12 January, 2026

    54.6 °F

Climate (2021–Present)

Mobridge, Mobridge Municipal Airport (44.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.8 °F
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