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.

Light Snow Fog/Mist

24°F

-4°C

Humidity 96%
Wind Speed SE 10 mph
Barometer 30.29 in (1026.9 mb)
Dewpoint 23°F (-5°C)
Visibility 1.00 mi
Wind Chill14°F (-10°C)
Last update 28 Nov 11:54 pm CST
Extended Forecast for

4 Miles SSW Janesville IA

Winter Storm Warning November 29, 12:09am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 12:09am until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 23 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 29. East wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 29 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Patchy blowing snow after 11pm. Low around 16. Wind chill values as low as zero. Windy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Partly sunny, with a high near 21. Wind chill values as low as zero. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 21 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1. West northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 23. East wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 29. East wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow, mainly before midnight. Patchy blowing snow after 11pm. Low around 16. Wind chill values as low as zero. Windy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Partly sunny, with a high near 21. Wind chill values as low as zero. Blustery, with a northwest wind 10 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 1. West northwest wind 5 to 9 mph becoming calm after midnight.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 17.
Monday Night
Mostly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Mostly cloudy, with a low around 5.
Friday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Janesville IA
 42.6°N 92.49°W
Last Update:
11:16 pm CST Nov 28, 2025
Forecast Valid:
12am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
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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