Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

56°F

13°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 30.11 in (1019.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 2:54 am CDT
Extended Forecast for

Waterloo Municipal Airport IA

  • Overnight

    Overnight: Mostly clear, with a low around 54. Northwest wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Northwest wind 3 to 6 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Light southeast wind.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 77. Northwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind.
Monday Night
Partly cloudy, with a low around 61. Light southeast wind.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo Municipal Airport IA
 42.53°N 92.41°W
2:31 am CDT Aug 23, 2026
3am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
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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