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 and Windy

44°F

7°C

Humidity 76%
Wind Speed S 26 G 41 mph
Barometer 29.42 in (996.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Mar 12:54 am CDT
Extended Forecast for

4 Miles WSW Janesville IA

High Wind Warning until March 13, 10:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until March 13, 10:00am

    NOW until 10:00am Fri

    High Wind Warning

  • Overnight

    Low: 30 °F

    Slight Chance
    Rain and Very
    Windy

  • Friday

    Friday: Partly sunny, with a high near 42. Very windy, with a northwest wind 32 to 37 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 42 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: A 40 percent chance of snow after 1am. Increasing clouds, with a low around 28. Northwest wind 6 to 11 mph becoming light and variable. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 1pm. Cloudy, with a high near 42. East southeast wind 6 to 15 mph, with gusts as high as 20 mph.

    High: 42 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am, then rain, possibly mixed with snow after 1am. Low around 33. Breezy, with an east wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Breezy.
    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. The snow could be heavy at times. Patchy blowing snow before 9am, then widespread blowing snow after 4pm. High near 43. Windy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 43 °F

    Rain/Snow and
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly before 1am. Low around 8. Windy. Chance of precipitation is 80%.

    Low: 8 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Partly sunny, with a high near 16. Windy.

    High: 16 °F

    Partly Sunny
    and Windy

Detailed Forecast

Overnight
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 30. Very windy, with a west wind 30 to 37 mph, with gusts as high as 55 mph.
Friday
Partly sunny, with a high near 42. Very windy, with a northwest wind 32 to 37 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 55 mph.
Friday Night
A 40 percent chance of snow after 1am. Increasing clouds, with a low around 28. Northwest wind 6 to 11 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before 1pm. Cloudy, with a high near 42. East southeast wind 6 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am, then rain, possibly mixed with snow after 1am. Low around 33. Breezy, with an east wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. The snow could be heavy at times. Patchy blowing snow before 9am, then widespread blowing snow after 4pm. High near 43. Windy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly before 1am. Low around 8. Windy. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 16. Windy.
Monday Night
Mostly clear, with a low around 1. Windy.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Janesville IA
 42.62°N 92.55°W
Last Update:
1:27 am CDT Mar 13, 2026
Forecast Valid:
1am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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