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

Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

A Few Clouds

79°F

26°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 12 Aug 11:54 am CDT
Extended Forecast for

4 Miles NNE Dike IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. West wind around 7 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of sprinkles before 8pm. Mostly clear, with a low around 57. Northwest wind 3 to 8 mph.

    Low: 57 °F

    Chance
    Sprinkles

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. South southeast wind 5 to 11 mph.

    High: 80 °F

    Sunny

  • Thursday Night

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

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. West wind around 7 mph.
Tonight
A chance of sprinkles before 8pm. Mostly clear, with a low around 57. Northwest wind 3 to 8 mph.
Wednesday
Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. Light and variable wind.
Thursday
Sunny, with a high near 80. South southeast wind 5 to 11 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Dike IA
 42.51°N 92.58°W
Last Update:
8:58 am CDT Aug 12, 2025
Forecast Valid:
12pm CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

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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