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

39°F

4°C

Humidity 89%
Wind Speed W 12 mph
Barometer 29.87 in (1012.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 3 Apr 12:54 am CDT
Extended Forecast for

4 Miles WSW Janesville IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. West northwest wind 6 to 11 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 57. North wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers after 1am. Low around 36. Breezy, with an east wind 14 to 16 mph becoming west in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: A slight chance of rain showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly cloudy, with a high near 45. Windy, with a west wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Windy, with a west northwest wind 15 to 22 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. Breezy.

    High: 49 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. Blustery.

    Low: 24 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. West northwest wind 6 to 11 mph.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 57. North wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers after 1am. Low around 36. Breezy, with an east wind 14 to 16 mph becoming west in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A slight chance of rain showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly cloudy, with a high near 45. Windy, with a west wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 31. Windy, with a west northwest wind 15 to 22 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 49. Breezy.
Monday Night
Mostly clear, with a low around 24. Blustery.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 66. Windy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42. Breezy.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 59. 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:
10:23 pm CDT Apr 2, 2026
Forecast Valid:
1am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation