National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair and Breezy

55°F

13°C

Humidity 31%
Wind Speed NW 21 G 31 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 29 Apr 12:54 pm CDT
Extended Forecast for

Waterloo IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. Northwest wind around 15 mph, with gusts as high as 26 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming light west northwest in the evening.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 56. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 56 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. North northwest wind 6 to 11 mph becoming light. Winds could gust as high as 18 mph.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Friday

    Friday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 56. North northwest wind 5 to 10 mph.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. Northwest wind around 15 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming light west northwest in the evening.
Thursday
A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 56. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. North northwest wind 6 to 11 mph becoming light. Winds could gust as high as 18 mph.
Friday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 56. North northwest wind 5 to 10 mph.
Friday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.
Saturday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 70. Breezy.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 71.
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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:
12:11 pm CDT Apr 29, 2026
Forecast Valid:
1pm CDT Apr 29, 2026-6pm CDT May 5, 2026
 
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Additional Resources

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Chance of Precipitation