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

30°F

-1°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.80 in (1010.0 mb)
Dewpoint 29°F (-2°C)
Visibility 9.00 mi
Last update 6 Jan 8:54 pm CST
Extended Forecast for

Waterloo IA

  • Tonight

    Tonight: Patchy fog before 3am. Areas of freezing fog after 3am. Otherwise, mostly cloudy, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 7am. Areas of freezing fog between 7am and 10am. Otherwise, mostly sunny, with a high near 44. Light south wind increasing to 5 to 10 mph in the morning.

    High: 44 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 35. South wind 6 to 9 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain likely, mainly after noon. Mostly cloudy, with a high near 44. South southeast wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 33. North northwest wind around 11 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain before noon. Partly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Blustery.

    Low: 18 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Patchy fog before 3am. Areas of freezing fog after 3am. Otherwise, mostly cloudy, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Areas of fog before 7am. Areas of freezing fog between 7am and 10am. Otherwise, mostly sunny, with a high near 44. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 35. South wind 6 to 9 mph.
Thursday
Rain likely, mainly after noon. Mostly cloudy, with a high near 44. South southeast wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33. North northwest wind around 11 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of rain before noon. Partly sunny, with a high near 40.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 32. Breezy.
Saturday Night
Mostly cloudy, with a low around 18. Blustery.
Sunday
Sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
6:26 pm CST Jan 6, 2026
Forecast Valid:
9pm CST Jan 6, 2026-6pm CST Jan 13, 2026
 
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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