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.

Freezing Fog

26°F

-3°C

Humidity 100%
Wind Speed S 3 mph
Barometer 29.84 in (1011.3 mb)
Dewpoint 26°F (-3°C)
Visibility 0.50 mi
Last update 7 Jan 3:54 am CST
Extended Forecast for

Waterloo IA

Dense Fog Advisory January 7, 04:20am until January 7, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 7, 04:20am until January 7, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 47 °F

    Areas Dense
    Freezing Fog
    and Areas Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. South wind 6 to 8 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain, mainly after noon. High near 45. Southeast wind 5 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Cloudy, with a low around 34. Northeast wind around 11 mph becoming north northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before noon. Partly sunny, with a high near 40. North wind 8 to 10 mph.

    High: 40 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow before 9pm, then a chance of rain and snow between 9pm and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Areas of fog between 10am and noon. Areas of dense freezing fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 47. Light south wind increasing to 6 to 11 mph in the morning.
Tonight
Increasing clouds, with a low around 32. South wind 6 to 8 mph.
Thursday
Rain, mainly after noon. High near 45. Southeast wind 5 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before midnight. Cloudy, with a low around 34. Northeast wind around 11 mph becoming north northwest after midnight. Chance of precipitation is 70%. 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. North wind 8 to 10 mph.
Friday Night
A slight chance of snow before 9pm, then a chance of rain and snow between 9pm and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. Breezy.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Blustery.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
3:16 am CST Jan 7, 2026
Forecast Valid:
4am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation