Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Mostly Cloudy

34°F

1°C

Humidity 79%
Wind Speed E 18 G 31 mph
Barometer 29.62 in (1003.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 15 Mar 1:54 am CDT
Extended Forecast for

Waterloo IA

Blizzard Warning March 15, 07:00am until March 16, 07:00am
High Wind Warning March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning
  • Overnight

    Overnight: A 40 percent chance of rain and thunderstorms, mainly after 4am.  Cloudy, with a low around 36. Breezy, with an east southeast wind around 17 mph, with gusts as high as 28 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: Rain and sleet before 3pm, then snow likely, possibly mixed with rain between 3pm and 4pm, then snow after 4pm. Some thunder is also possible.  Patchy blowing snow after 3pm. Temperature falling to around 32 by 4pm. Windy, with a southeast wind 15 to 20 mph becoming north 26 to 31 mph in the afternoon. Winds could gust as high as 48 mph.  Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.

    High: 39 °F

    Rain and
    Windy then
    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 4am. The snow could be heavy at times.  Widespread blowing snow, mainly between 7pm and 5am. Low around 8. Wind chill values as low as -10. Very windy, with a northwest wind 33 to 36 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 30 percent chance of snow before 7am.  Areas of blowing snow. Cloudy, then gradually becoming mostly sunny, with a high near 15. Wind chill values as low as -15. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 41 mph.  New snow accumulation of less than a half inch possible.

    High: 15 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1. Blustery, with a northwest wind 8 to 18 mph, with gusts as high as 29 mph.

    Low: 1 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm.  Partly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am.  Mostly cloudy, with a low around 20. Chance of precipitation is 70%.

    Low: 20 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain and thunderstorms, mainly after 4am. Cloudy, with a low around 36. Breezy, with an east southeast wind around 17 mph, with gusts as high as 28 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain and sleet before 3pm, then snow likely, possibly mixed with rain between 3pm and 4pm, then snow after 4pm. Some thunder is also possible. Patchy blowing snow after 3pm. Temperature falling to around 32 by 4pm. Windy, with a southeast wind 15 to 20 mph becoming north 26 to 31 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 4am. The snow could be heavy at times. Widespread blowing snow, mainly between 7pm and 5am. Low around 8. Wind chill values as low as -10. Very windy, with a northwest wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Monday
A 30 percent chance of snow before 7am. Areas of blowing snow. Cloudy, then gradually becoming mostly sunny, with a high near 15. Wind chill values as low as -15. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 41 mph. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 1. Blustery, with a northwest wind 8 to 18 mph, with gusts as high as 29 mph.
Tuesday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
1:32 am CDT Mar 15, 2026
2am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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