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

49°F

9°C

Humidity 35%
Wind Speed NW 14 G 26 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Apr 3:54 pm CDT
Extended Forecast for

Waterloo IA

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. North northwest wind around 13 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 29. North northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 29 °F

    Clear

  • Monday

    Monday: Widespread frost before 7am. Otherwise, sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 60 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. South wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. South southwest wind 7 to 9 mph becoming west northwest in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Breezy.

    Low: 60 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Windy.

    High: 74 °F

    Windy. Mostly
    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. North northwest wind around 13 mph.
Tonight
Clear, with a low around 29. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Widespread frost before 7am. Otherwise, sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 50. South wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 78. South southwest wind 7 to 9 mph becoming west northwest in the afternoon.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60. Breezy.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Windy.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Windy. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 62. Breezy.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
2:43 pm CDT Apr 19, 2026
Forecast Valid:
4pm CDT Apr 19, 2026-6pm CDT Apr 25, 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