National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

-2°F

-19°C

Humidity 79%
Wind Speed Calm
Barometer 30.30 in (1028.4 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Last update 20 Jan 12:54 am CST
Extended Forecast for

New Hartford IA

  • Overnight

    Overnight: Mostly clear, with a low around -2. Wind chill values as low as -10. West wind 3 to 5 mph.

    Low: -2 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 20. Wind chill values as low as -10. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 20 °F

    Sunny then
    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 13. Wind chill values as low as zero. Southeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 29. Wind chill values as low as zero. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 29 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6. Blustery, with a west northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 6 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -13.

    Low: -13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -7.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -18.

    Low: -18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around -2. Wind chill values as low as -10. West wind 3 to 5 mph.
Tuesday
A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 20. Wind chill values as low as -10. Light and variable wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 13. Wind chill values as low as zero. Southeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 29. Wind chill values as low as zero. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 6. Blustery, with a west northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Partly cloudy, with a low around -13.
Friday
Mostly sunny and cold, with a high near -7.
Friday Night
Mostly cloudy, with a low around -18.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
Partly cloudy, with a low around -11.
Sunday
Mostly sunny and cold, with a high near 10.
Sunday Night
Partly cloudy, with a low around -1.
Monday
Mostly sunny, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Hartford IA
 42.58°N 92.61°W
Last Update:
10:11 pm CST Jan 19, 2026
Forecast Valid:
1am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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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