Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

50°F

10°C

Humidity 93%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Oct 2:54 am CDT
Extended Forecast for

Waterloo IA

Flood Warning October 4, 03:17am until October 4, 02:12pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning October 4, 03:17am until October 4, 02:12pm

    NOW until 2:12pm Sun

    Flood Warning

  • Overnight

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. North northwest wind 7 to 9 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. Light west northwest wind.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51. South wind 6 to 9 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Northwest wind around 6 mph.
Sunday
Sunny, with a high near 69. North northwest wind 7 to 9 mph.
Sunday Night
Clear, with a low around 45. Light west northwest wind.
Monday
Sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 51. South wind 6 to 9 mph.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 74. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
1:56 am CDT Oct 4, 2026
3am CDT Oct 4, 2026-6pm CDT Oct 10, 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