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

56°F

13°C

Humidity 65%
Wind Speed W 9 mph
Barometer 29.58 in (1001.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 Nov 5:54 am CST
Extended Forecast for

Waterloo IA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Breezy, with a northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 64 °F

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Northwest wind 5 to 8 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49. East southeast wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Breezy, with a northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 31. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 50. Northwest wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 49. East southeast wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
6:43 am CST Nov 15, 2025
Forecast Valid:
6am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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