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.

Fair

70°F

21°C

Humidity 79%
Wind Speed NE 5 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 8:54 pm CDT
Extended Forecast for

Dewar IA

  • Tonight

    Tonight: Mostly clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 79. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am. Increasing clouds, with a low around 64. South wind around 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 81. Southwest wind 6 to 11 mph becoming west northwest in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 63. North northwest wind 3 to 7 mph.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Light northeast wind.
Thursday
Increasing clouds, with a high near 79. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am. Increasing clouds, with a low around 64. South wind around 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 81. Southwest wind 6 to 11 mph becoming west northwest in the afternoon.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 63. North northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 59.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dewar IA
 42.55°N 92.26°W
Last Update:
8:32 pm CDT Aug 19, 2026
Forecast Valid:
9pm CDT Aug 19, 2026-6pm CDT Aug 26, 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