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.

Fog

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in (1019.7 mb)
Dewpoint 34°F (1°C)
Visibility 0.25 mi
Last update 24 Dec 7:54 pm CST
Extended Forecast for

3 Miles SW Waterloo IA

Dense Fog Advisory December 24, 08:51pm until December 25, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 24, 08:51pm until December 25, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 34 °F

    Areas Dense
    Fog

  • Christmas Day

    Christmas Day: Areas of dense fog before 7am. Otherwise, cloudy, with a high near 39. East southeast wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 39 °F

    Areas Dense
    Fog then
    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Cloudy, with a low around 36. East southeast wind 8 to 13 mph becoming light and variable after midnight.

    Low: 36 °F

    Slight Chance
    Rain then
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Windy. Chance of precipitation is 20%.

    High: 36 °F

    Windy. Slight
    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, cloudy, with a low around 34. Calm wind becoming north northeast around 5 mph after midnight.
Christmas Day
Areas of dense fog before 7am. Otherwise, cloudy, with a high near 39. East southeast wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of rain before midnight. Cloudy, with a low around 36. East southeast wind 8 to 13 mph becoming light and variable after midnight.
Friday
Mostly cloudy, with a high near 46. Calm wind becoming northwest 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 35. Light and variable wind becoming south southeast around 6 mph after midnight.
Saturday
Mostly cloudy, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A slight chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Windy. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 9. Windy.
Monday
Sunny, with a high near 20. Windy.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 28. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Waterloo IA
 42.47°N 92.41°W
Last Update:
8:43 pm CST Dec 24, 2025
Forecast Valid:
8pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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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