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

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.

Overcast

76°F

24°C

Humidity 98%
Wind Speed S 6 mph
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 18 Aug 5:15 am CDT
Extended Forecast for

Jamaica IA

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Scattered
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 106. South wind 6 to 8 mph becoming west southwest 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 slight chance of showers and thunderstorms between 9pm and 2am. Partly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. North northeast wind 3 to 6 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 106. South wind 6 to 8 mph becoming west southwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms between 9pm and 2am. Partly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 65. North northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jamaica IA
 41.85°N 94.3°W
Last Update:
4:35 am CDT Aug 18, 2025
Forecast Valid:
5am CDT Aug 18, 2025-6pm CDT Aug 24, 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