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.

Fair and Breezy

40°F

4°C

Humidity 41%
Wind Speed NW 23 G 31 mph
Barometer 29.98 in (1015.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Mar 4:54 pm CDT
Extended Forecast for

Waterloo IA

Winter Storm Watch March 15, 10:00am until March 16, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A 10 percent chance of snow after 5am. Increasing clouds, with a low around 29. Blustery, with a northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 42. East southeast wind 6 to 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 9pm, then rain likely after 9pm. Some thunder is also possible. Cloudy, with a low around 36. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Showers
    Likely

  • Sunday

    Sunday: Rain showers before 1pm, then rain and snow showers between 1pm and 4pm, then snow showers after 4pm. Some thunder is also possible. Patchy blowing snow after 5pm. Temperature rising to near 43 by 9am, then falling to around 34 during the remainder of the day. Windy, with an east southeast wind 16 to 21 mph becoming north 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 43 °F⇓

    Showers and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 9. Windy, with a north northwest wind 30 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Patchy blowing snow before 8am. Partly sunny, with a high near 16. Windy.

    High: 16 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0. Windy.

    Low: 0 °F

    Partly Cloudy
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Likely

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Increasing clouds, with a low around 29. Blustery, with a northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Saturday
A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 42. East southeast wind 6 to 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 9pm, then rain likely after 9pm. Some thunder is also possible. Cloudy, with a low around 36. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Rain showers before 1pm, then rain and snow showers between 1pm and 4pm, then snow showers after 4pm. Some thunder is also possible. Patchy blowing snow after 5pm. Temperature rising to near 43 by 9am, then falling to around 34 during the remainder of the day. Windy, with an east southeast wind 16 to 21 mph becoming north 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 9. Windy, with a north northwest wind 30 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday
A 20 percent chance of snow before 1pm. Patchy blowing snow before 8am. Partly sunny, with a high near 16. Windy.
Monday Night
Partly cloudy, with a low around 0. Windy.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 26.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
1:31 pm CDT Mar 13, 2026
Forecast Valid:
5pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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Chance of Precipitation