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Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

52°F

11°C

Humidity 35%
Wind Speed N 13 mph
Barometer 30.03 in (1017.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 1 May 6:54 pm CDT
Extended Forecast for

Waterloo IA

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 5 to 9 mph becoming calm after midnight.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 61. Calm wind becoming west 5 to 8 mph in the morning.

    High: 61 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 71. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West northwest wind 5 to 9 mph becoming light and variable.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 76.

    High: 76 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. North wind 5 to 9 mph becoming calm after midnight.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 61. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 71. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 45. West northwest wind 5 to 9 mph becoming light and variable.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 76.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 43.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
5:31 pm CDT May 1, 2026
Forecast Valid:
7pm CDT May 1, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation