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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

Perry Municipal Airport (KPRO)

Lat: 41.83°NLon: 94.16°WElev: 1013ft.

Fair

91°F

33°C

Humidity 67%
Wind Speed SW 6 mph
Barometer 29.97 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 17 Aug 12:35 pm CDT
Extended Forecast for

2 Miles N Cooper IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Heat index values as high as 102. South wind 6 to 8 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 72. South wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 6 to 9 mph becoming west in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Light west wind.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. North wind 3 to 6 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

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

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Heat index values as high as 102. South wind 6 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 72. South wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 6 to 9 mph becoming west in the afternoon. 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. Partly cloudy, with a low around 68. Light west wind.
Tuesday
Mostly sunny, with a high near 85. North wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Cooper IA
 41.94°N 94.33°W
Last Update:
12:23 pm CDT Aug 17, 2025
Forecast Valid:
12pm 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