Gateway Lake Weather Forecast

    • 15
    • 23

    Snow Likely

    • 20
    • 41

    Mostly Cloudy

    • 18
    • 37

    Mostly Cloudy

    • 15
    • 33

    Mostly Cloudy

    • 19
    • 33

    Mostly Cloudy

    • 28
    • 50

    Partly Sunny

Today 31 Jan Dakota

Sunny this Morning, then partly sunny with a chance of snow this afternoon. Highs in the lower 20s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 30 percent. Wind chill Values as low as 16 below this morning.

Tonight 31 Jan Dakota

Mostly cloudy. Snow Likely, mainly in the evening. Snow accumulation around half an inch. Not as cool with Lows around 15. Temperature rising to around 20 after midnight. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of snow 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gateway Lake Temperature Statistics

January Temperature

Sioux City, Sioux Gateway Airport (3.1 miles)

  • Lowest 26 January, 2026

    -12.4 °F

  • Average January

    23.2 °F

  • Highest 7 January, 2026

    63.6 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    62.8 °F
Get WillyWeather+ to remove ads