Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

79°F

26°C

Humidity 38%
Wind Speed S 9 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 May 8:54 pm CDT
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind around 6 mph becoming calm  after midnight.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 89. Light and variable wind.  Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms, mainly between 10pm and 11pm.  Mostly clear, with a low around 61. Calm wind becoming east 5 to 9 mph after midnight.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. East wind 8 to 10 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. East wind 5 to 9 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. South wind around 6 mph becoming calm after midnight.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms, mainly between 10pm and 11pm. Mostly clear, with a low around 61. Calm wind becoming east 5 to 9 mph after midnight.
Thursday
Sunny, with a high near 84. East wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 56. East wind 5 to 9 mph.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
5:42 pm CDT May 26, 2026
9pm CDT May 26, 2026-6pm CDT Jun 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database