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

62°F

17°C

Humidity 80%
Wind Speed SE 7 mph
Barometer 29.66 in (1003.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 5:54 am CDT
Extended Forecast for

Waterloo IA

  • Today

    Today: Increasing clouds, with a high near 65. Windy, with a south wind 9 to 14 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 65 °F

    Increasing
    Clouds and
    Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Breezy, with a north wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 45. Breezy, with an east wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Slight Chance
    Rain then
    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain. Low around 35. Breezy, with an east wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 35 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain before 1pm, then rain likely and possibly a thunderstorm between 1pm and 4pm, then rain likely after 4pm. High near 54. East northeast wind around 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 50 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 41. Breezy. Chance of precipitation is 80%.

    Low: 41 °F

    Rain and
    Breezy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 50. Windy.

    High: 50 °F

    Chance Rain
    and Windy

Detailed Forecast

Today
Increasing clouds, with a high near 65. Windy, with a south wind 9 to 14 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Mostly cloudy, with a low around 37. Breezy, with a north wind 13 to 17 mph, with gusts as high as 25 mph.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 45. Breezy, with an east wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 35. Breezy, with an east wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday
Rain before 1pm, then rain likely and possibly a thunderstorm between 1pm and 4pm, then rain likely after 4pm. High near 54. East northeast wind around 14 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 35.
Friday
A 50 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 61.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 41. Breezy. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 50. Windy.
Saturday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Blustery.
Sunday
Mostly sunny, with a high near 48. Breezy.
Sunday Night
Mostly clear, with a low around 30.
Monday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
4:47 am CDT Mar 31, 2026
Forecast Valid:
6am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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