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

Heat and Fire Weather Concerns in the West

Heat will build over the Intermountain West and the Southwest the next couple of days. Lightning from dry thunderstorms can create new fire starts and combined with gusty winds may cause a fire to rapidly grow in Oregon and northern California. Elevated fire weather conditions are also expected in the Great Basin. Flash flooding will be possible in Arizona and west Texas, especially in burn scars. Read More >

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Jun 11:54 pm CDT
Extended Forecast for

Waterloo IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 83. North northwest wind 5 to 10 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. West northwest wind 6 to 9 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Northwest wind 6 to 9 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. West northwest wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 83. North northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 61. West northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 85. Northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 63. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Thursday
Sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 69.
Independence Day
Mostly sunny, with a high near 90.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo IA
 42.49°N 92.35°W
Last Update:
10:33 pm CDT Jun 29, 2025
Forecast Valid:
12am CDT Jun 30, 2025-6pm CDT Jul 6, 2025
 
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