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

23°F

-5°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.21 in (1024.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 12 Mar 7:54 am CDT
Extended Forecast for

Waterloo IA

High Wind Warning March 12, 10:00pm until March 13, 10:00am
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: A slight chance of rain between 4pm and 5pm. Increasing clouds, with a high near 51. Windy, with a south wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Windy

  • Tonight

    Tonight: Rain likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 31. Windy, with a south wind 24 to 32 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Windy. Rain
    Likely then
    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 43. Windy, with a west northwest wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 43 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow after 1pm, mixing with rain after 4pm. Cloudy, with a high near 41. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 41 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow, mainly after 1am. Some thunder is also possible. Low around 31. Breezy. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 37. Windy. Chance of precipitation is 90%.

    High: 37 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 8. Windy.

    Low: 8 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 20. Windy.

    High: 20 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
A slight chance of rain between 4pm and 5pm. Increasing clouds, with a high near 51. Windy, with a south wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Tonight
Rain likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 31. Windy, with a south wind 24 to 32 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 43. Windy, with a west northwest wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 48 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Saturday
A slight chance of snow after 1pm, mixing with rain after 4pm. Cloudy, with a high near 41. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Rain and snow, mainly after 1am. Some thunder is also possible. Low around 31. Breezy. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Snow, possibly mixed with rain, becoming all snow after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 37. Windy. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 8. Windy.
Monday
Mostly sunny, with a high near 20. Windy.
Monday Night
Mostly clear, with a low around 0.
Tuesday
Partly sunny, with a high near 29.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 39.
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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:
6:56 am CDT Mar 12, 2026
Forecast Valid:
8am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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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