Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fog/Mist

39°F

4°C

Humidity 100%
Wind Speed SE 9 mph
Barometer 29.74 in (1007.7 mb)
Dewpoint 39°F (4°C)
Visibility 3.00 mi
Wind Chill33°F (1°C)
Last update 27 Dec 2:54 pm CST
Extended Forecast for

Waterloo IA

Wind Advisory December 28, 09:00am until December 29, 06:00am
Dense Fog Advisory December 27, 03:28pm until December 28, 09:00am
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 03:28pm until December 28, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • This Afternoon

    High: 42 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Widespread dense fog, mainly before 3am.  Otherwise, cloudy, with a low around 40. Southeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 40 °F

    Dense Fog

  • Sunday

    Sunday: Rain before noon, then rain and snow between noon and 1pm, then snow after 1pm.  Patchy blowing snow after 1pm. Areas of dense fog before 1pm. Temperature falling to around 21 by 5pm. Wind chill values as low as 5. Windy, with a northwest wind 6 to 16 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 42 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Areas of blowing snow. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 46 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before noon. Partly sunny, with a high near 14. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 43 mph.

    High: 14 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Blustery.

    Low: 5 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Patchy dense fog. Otherwise, cloudy, with a steady temperature around 42. Southeast wind around 9 mph.
Tonight
Widespread dense fog, mainly before 3am. Otherwise, cloudy, with a low around 40. Southeast wind 5 to 8 mph becoming calm after midnight.
Sunday
Rain before noon, then rain and snow between noon and 1pm, then snow after 1pm. Patchy blowing snow after 1pm. Areas of dense fog before 1pm. Temperature falling to around 21 by 5pm. Wind chill values as low as 5. Windy, with a northwest wind 6 to 16 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday Night
Snow likely, mainly before midnight. Areas of blowing snow. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Patchy blowing snow before noon. Partly sunny, with a high near 14. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 43 mph.
Monday Night
Mostly clear, with a low around 5. Blustery.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 8.
New Year's Day
Mostly sunny, with a high near 17.
Thursday Night
Mostly clear, with a low around 5.
Friday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
3:16 pm CST Dec 27, 2025
3pm CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database