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.

Overcast

43°F

6°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.03 in (1017.6 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill40°F (4°C)
Last update 20 Nov 4:54 am CST
Extended Forecast for

4 Miles WSW Janesville IA

  • Today

    Today: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. South wind 6 to 8 mph becoming northwest in the afternoon.

    High: 49 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. North wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. North northeast wind 5 to 7 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. North wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after noon. Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. South wind 6 to 8 mph becoming northwest in the afternoon.
Tonight
Mostly cloudy, with a low around 34. North wind around 6 mph.
Friday
Partly sunny, with a high near 49. North northeast wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 29. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 53. Light south wind becoming south southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A 30 percent chance of rain after noon. Partly sunny, with a high near 53.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 37. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Janesville IA
 42.62°N 92.55°W
Last Update:
3:11 am CST Nov 20, 2025
Forecast Valid:
5am CST Nov 20, 2025-6pm CST Nov 26, 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