Long Slough Weather Forecast

    • 69
    • 78

    Increasing Clouds

    • 66
    • 84

    Chance Thunderstorms

    • 64
    • 78

    Chance Thunderstorms

    • 70
    • 81

    Chance Thunderstorms

    • 73
    • 87

    Slight Chance Thunderstorms

    • 73
    • 90

    Chance Rain Showers

Today 18 Jul Grant

Partly cloudy. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 18 Jul Grant

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a chance of Thunderstorms after midnight. Warmer with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Slough Temperature Statistics

July Temperature

Dubuque Regional Airport (23 miles)

  • Lowest 13 July, 2025

    59.6 °F

  • Average July

    74.9 °F

  • Highest 4 July, 2025

    91.7 °F

Climate (2020–Present)

Dubuque Regional Airport (23 miles)

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

  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.9 °F
Get WillyWeather+ to remove ads