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

36°F

2°C

Humidity 82%
Wind Speed N 14 mph
Barometer 29.80 in (1009.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 11 Mar 4:54 am CDT
Extended Forecast for

4 Miles SW Janesville IA

  • Overnight

    Overnight: Cloudy, with a steady temperature around 37. North wind around 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Cloudy

  • Wednesday

    Wednesday: Rain and snow likely before 9am, then a chance of snow between 9am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 41. Windy, with a north northwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Windy.
    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. West wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 51. Windy, with a west southwest wind 5 to 10 mph becoming south 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 51 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Windy

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Windy, with a south wind 23 to 30 mph becoming west after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Windy. Rain
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 7am. Partly sunny, with a high near 43. Windy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Windy. Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow after 1pm. Cloudy, with a high near 45.

    High: 45 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 29. Breezy. Chance of precipitation is 70%.

    Low: 29 °F

    Breezy.
    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 37. North wind around 13 mph, with gusts as high as 20 mph.
Wednesday
Rain and snow likely before 9am, then a chance of snow between 9am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 41. Windy, with a north northwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 26. West wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday
Increasing clouds, with a high near 51. Windy, with a west southwest wind 5 to 10 mph becoming south 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Windy, with a south wind 23 to 30 mph becoming west after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before 7am. Partly sunny, with a high near 43. Windy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Saturday
A 20 percent chance of snow after 1pm. Cloudy, with a high near 45.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 29. Breezy. Chance of precipitation is 70%.
Sunday
Rain and snow likely before 1pm, then a chance of snow. Mostly cloudy, with a high near 36. Windy. Chance of precipitation is 70%.
Sunday Night
Mostly cloudy, with a low around 10. Windy.
Monday
Mostly sunny, with a high near 23. Windy.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Janesville IA
 42.6°N 92.52°W
Last Update:
4:03 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 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