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Waterloo Weather Warning NWS WEATHER ALERT FOR THE WATERLOO, IL AREA - Issued: 249 PM CDT Fri Sep 4 2026 Waterloo Weather Warning

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62298 Weather (Waterloo, IL)

Waterloo, IL WeatherCurrent Conditions and Weather for Waterloo, Illinois
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Clear at Waterloo (62298), temperature is 86°F30°C, dew point 73°F23°C, humidity 65%. Wind direction is S at 5 mphat 8 km/h with visibility of 10 mi16 km. Barometric pressure is 29.9 in1012 mb. Last update: 8:12 pm.*
*Time is approximately 8:12 pm Fri, Sep 04, 2026. Time will be within 15 minutes of current local time. Waterloo weather forecast data is updated every 15 minutes.

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Lightning crashes, an old mother dies. Her intentions fall to the floor. The angel closes her eyes. The confusion that was hers, belongs now, to the baby down the hall... ―Live (Throwing Copper)
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Waterloo IL Weather - 9:12 pm

Waterloo Weather Forecast

Weather forecast for: Waterloo IL
Last Update: 6:36 pm CDT Sep 4, 2026
Tonight: Mostly clear, with a low around 75. Calm wind.
Saturday: Sunny and hot, with a high near 100. Heat index values as high as 109. Light and variable wind.
Saturday Night: Mostly clear, with a low around 72. Light and variable wind.
Sunday: Sunny, with a high near 93. Northeast wind 5 to 7 mph.
Sunday Night: Mostly clear, with a low around 66. East wind 3 to 7 mph.
Labor Day: Sunny, with a high near 90.
Monday Night: Mostly clear, with a low around 65.
Tuesday: Sunny, with a high near 95.
Tuesday Night: Mostly clear, with a low around 72.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

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