National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

A Few Clouds

37°F

3°C

Humidity 70%
Wind Speed Calm
Barometer 30.03 in (1017.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 30 Apr 11:54 pm CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: A chance of sprinkles after 4am. Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm.

    Low: 38 °F

    Chance
    Sprinkles

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 54. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North wind 5 to 9 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 61 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. South southwest wind 6 to 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Sunny, with a high near 76. Breezy.

    High: 76 °F

    Breezy. Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of sprinkles after 4am. Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm.
Friday
A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 54. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. 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 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. South southwest wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 76. Breezy.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 62.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 57. Breezy.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
10:44 pm CDT Apr 30, 2026
Forecast Valid:
12am CDT May 1, 2026-6pm CDT May 7, 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