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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Thunderstorm

76°F

24°C

Humidity 91%
Wind Speed NE 13 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 17 Aug 4:54 pm CDT
Extended Forecast for

Reinbeck IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 89. Heat index values as high as 100. South southeast wind around 8 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 72. Southeast wind 7 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 69. West northwest wind 5 to 7 mph becoming south in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. North wind 6 to 9 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 89. Heat index values as high as 100. South southeast wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 72. Southeast wind 7 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 69. West northwest wind 5 to 7 mph becoming south in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 83. North wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reinbeck IA
 42.32°N 92.59°W
Last Update:
4:36 pm CDT Aug 17, 2025
Forecast Valid:
4pm CDT Aug 17, 2025-6pm CDT Aug 23, 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