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.

Mostly Cloudy

40°F

4°C

Humidity 35%
Wind Speed S 18 G 26 mph
Barometer 30.51 in (1034.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Mar 11:54 am CDT
Extended Forecast for

Waterloo IA

Red Flag Warning March 28, 11:57am until March 28, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 28, 11:57am until March 28, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 55 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Breezy, with a south wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. South wind 6 to 9 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. South wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 66. Breezy.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Blustery.

    Low: 31 °F

    Slight Chance
    Showers and
    Blustery

Detailed Forecast

Today
Sunny, with a high near 55. Windy, with a south southwest wind 14 to 21 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 37. Breezy, with a south wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 68. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 43. South wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 79. South wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 66. Breezy.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Blustery.
Wednesday
Sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 51. Breezy. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 36. Breezy.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
9:44 am CDT Mar 28, 2026
Forecast Valid:
11am CDT Mar 28, 2026-6pm CDT Apr 3, 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