Triumph Weather Forecast

    • 60
    • 86

    Increasing Clouds

    • 55
    • 81

    Mostly Cloudy

    • 57
    • 79

    Partly Sunny

    • 55
    • 82

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 60
    • 84

    Mostly Sunny

    • 65
    • 86

    Partly Sunny

Today 29 May La Salle

Partly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 29 May La Salle

Mostly cloudy. Lows around 60. East Winds around 5 Mph.

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Triumph Temperature Statistics

May Temperature

Illinois Valley Regional Airport (11.8 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    62.3 °F

  • Highest 27 May, 2026

    91.4 °F

Climate (2021–Present)

Illinois Valley Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
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