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

38°F

3°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 29.72 in (1007.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Jan 5:54 pm CST
Extended Forecast for

Dewar IA

  • Tonight

    Tonight: Patchy fog between 8pm and midnight. Otherwise, increasing clouds, with a low around 33. South southeast wind around 8 mph.

    Low: 33 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: Rain, mainly after noon. High near 43. Southeast wind 7 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Mostly Cloudy
    then Rain

  • Thursday Night

    Thursday Night: Rain before 3am, then rain likely, possibly mixed with snow. Low around 32. Northeast wind around 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain then
    Rain/Snow
    Likely

  • Friday

    Friday: A slight chance of rain and snow before noon. Partly sunny, with a high near 39. North wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26. North wind 8 to 10 mph. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 31. Windy.

    High: 31 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Windy.

    Low: 16 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Blustery.

    High: 27 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 8pm and midnight. Otherwise, increasing clouds, with a low around 33. South southeast wind around 8 mph.
Thursday
Rain, mainly after noon. High near 43. Southeast wind 7 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 3am, then rain likely, possibly mixed with snow. Low around 32. Northeast wind around 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before noon. Partly sunny, with a high near 39. North wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26. North wind 8 to 10 mph. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 31. Windy.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Windy.
Sunday
Mostly sunny, with a high near 27. Blustery.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 32. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dewar IA
 42.57°N 92.26°W
Last Update:
5:26 pm CST Jan 7, 2026
Forecast Valid:
6pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation