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

92°F

33°C

Humidity 54%
Wind Speed S 10 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 26 Jul 2:54 pm CDT
Extended Forecast for

3 Miles SE Dewar IA

Extreme Heat Warning until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind around 9 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 114. South wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Patchy smoke before 9pm. Partly cloudy, with a low around 70. North northwest wind 8 to 11 mph.

    Low: 70 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Northeast wind around 8 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 94. Heat index values as high as 115. South southwest wind around 8 mph.
Tonight
A slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind around 9 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 94. Heat index values as high as 114. South wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Patchy smoke before 9pm. Partly cloudy, with a low around 70. North northwest wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 86. Northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Dewar IA
 42.53°N 92.23°W
Last Update:
2:31 pm CDT Jul 26, 2026
Forecast Valid:
3pm CDT Jul 26, 2026-6pm CDT Aug 1, 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