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.

Mostly Cloudy

77°F

25°C

Humidity 77%
Wind Speed W 9 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Aug 10:54 am CDT
Extended Forecast for

2 Miles S Waterloo Municipal Airport IA

  • Today

    Today: Mostly sunny, with a high near 84. Northwest wind 8 to 11 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northwest wind 3 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming light  after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light north northwest wind.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Northwest wind 8 to 11 mph.
Tonight
Mostly clear, with a low around 62. Northwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 79. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 57. North northwest wind 5 to 9 mph becoming light after midnight.
Sunday
Sunny, with a high near 77. Light north northwest wind.
Sunday Night
Partly cloudy, with a low around 58.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Waterloo Municipal Airport IA
 42.51°N 92.41°W
9:56 am CDT Aug 21, 2026
11am CDT Aug 21, 2026-6pm CDT Aug 27, 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