Heise Weather Forecast

    • 46
    • 67

    Chance Rain Showers

    • 48
    • 68

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 48
    • 69

    Partly Sunny

Today 22 Sep Upper Snake River Plain

Mostly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs 65 to 72. Northeast Winds up to 10 Mph. Shifting to south around 10 Mph in the afternoon.

Tonight 22 Sep Upper Snake River Plain

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the evening. Then partly cloudy after midnight. Lows 40 to 47. Southwest Winds up to 10 Mph in the evening. Becoming light and variable. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Heise Temperature Statistics

September Temperature

Rexburg, Rexburg-Madison County Airport (14.3 miles)

  • Lowest 15 September, 2026

    35.7 °F

  • Average September

    61.8 °F

  • Highest 6 September, 2026

    84.7 °F

Climate (2021–2026)

Rexburg, Rexburg-Madison County Airport (14.3 miles)

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

  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    58.6 °F
Get WillyWeather+ to remove ads