Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Overcast

8°F

-13°C

Humidity 76%
Wind Speed NW 18 mph
Barometer 30.61 in (1038.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 23 Feb 2:54 am CST
Extended Forecast for

Janesville IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 3. Wind chill values as low as -10. North northwest wind around 11 mph.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 19. Wind chill values as low as -10. North northwest wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 19 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Wind chill values as low as zero. South wind 5 to 14 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. Wind chill values as low as zero. South wind around 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 35 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 27.

    High: 27 °F

    Sunny then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 3. Wind chill values as low as -10. North northwest wind around 11 mph.
Monday
Mostly sunny, with a high near 19. Wind chill values as low as -10. North northwest wind 5 to 10 mph becoming south southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 10. Wind chill values as low as zero. South wind 5 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 35. Wind chill values as low as zero. South wind around 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 14. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 27.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 36. Breezy.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Janesville IA
 42.64°N 92.46°W
3:16 am CST Feb 23, 2026
3am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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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