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.

Thunderstorm Rain Fog/Mist

44°F

7°C

Humidity 96%
Wind Speed NE 12 mph
Barometer 29.84 in (1011.1 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill38°F (3°C)
Last update 3 Apr 10:54 pm CDT
Extended Forecast for

4 Miles SSW Janesville IA

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers between 2am and 3am. Low around 36. East wind 8 to 14 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Windy, with a west wind 18 to 24 mph, with gusts as high as 32 mph.

    High: 46 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Windy, with a west northwest wind 15 to 21 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 54. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 54 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. Northwest wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 36. Windy. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers between 2am and 3am. Low around 36. East wind 8 to 14 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, with a high near 46. Windy, with a west wind 18 to 24 mph, with gusts as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 31. Windy, with a west northwest wind 15 to 21 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 54. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 32. Northwest wind 11 to 13 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 47. Breezy.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 36. Windy. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 67. Windy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. Windy.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 59. Breezy.
Thursday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Janesville IA
 42.6°N 92.49°W
Last Update:
10:26 pm CDT Apr 3, 2026
Forecast Valid:
10pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
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