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

Flash Flood Threat Persists Across Southwest; Heat Threat in Several Regions

Monsoon conditions will exist over the Southwest through Tuesday, resulting in localized areas of flash flooding from California into the Central and Southern Rockies. Hot and humid conditions will impacts several regions through early week. Excessive Heat Warnings are in effect for the Intermountain West and Northern Plains with Heat Advisories from the southern Plains into MS River Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Partly Cloudy

18°C

65°F

Humidity 87%
Wind Speed Calm
Barometer 1016.9 mb (30.05 in)
Dewpoint 16°C (61°F)
Visibility 13 km
Last update 26 Jul 6:54 am CDT
Extended Forecast for

Waterloo Municipal Airport IA

Excessive Heat Watch July 28, 10:00am until July 28, 08:00pm
Click here for hazard details and duration
Excessive Heat Watch

  • Today

    Today: Mostly sunny, with a high near 34. Light south southwest wind increasing to 13 to 18 km/h in the morning.

    Mostly Sunny

    High: 34 °C

  • Tonight

    Tonight: Partly cloudy, with a low around 19. South southwest wind 10 to 16 km/h.

    Partly Cloudy

    Low: 19 °C

  • Tuesday

    Tuesday: Sunny, with a high near 35. Heat index values as high as 38. Southwest wind 8 to 18 km/h.

    Sunny

    High: 35 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 22. South wind 5 to 14 km/h.

    Mostly Clear

    Low: 22 °C

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 37. Southwest wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon.

    Hot

    High: 37 °C

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 23.

    Chance
    T-storms

    Low: 23 °C

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 33.

    Slight Chance
    T-storms

    High: 33 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 18.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 18 °C

  • Friday

    Friday: Mostly sunny, with a high near 30.

    Mostly Sunny

    High: 30 °C

Detailed Forecast

Today
Mostly sunny, with a high near 34. Light south southwest wind increasing to 13 to 18 km/h in the morning.
Tonight
Partly cloudy, with a low around 19. South southwest wind 10 to 16 km/h.
Tuesday
Sunny, with a high near 35. Heat index values as high as 38. Southwest wind 8 to 18 km/h.
Tuesday Night
Mostly clear, with a low around 22. South wind 5 to 14 km/h.
Wednesday
Mostly sunny and hot, with a high near 37. Southwest wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 23.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 33.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 30.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 18.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Sunny, with a high near 29.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Waterloo Municipal Airport IA
 42.55°N 92.41°W
Last Update:
6:50 am CDT Jul 26, 2021
Forecast Valid:
7am CDT Jul 26, 2021-6pm CDT Aug 1, 2021
 
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