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.

Fair

81°F

27°C

Humidity 84%
Wind Speed S 6 mph
Barometer 29.99 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 9:35 am CDT
Extended Forecast for

Earlham IA

  • Today

    Today: Sunny, with a high near 93. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 74. South wind around 8 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind around 6 mph becoming west northwest after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 86. North wind around 7 mph. Chance of precipitation is 10%.

    High: 86 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °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 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 74. South wind around 8 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 8 to 10 mph. 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 70. Southwest wind around 6 mph becoming west northwest after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 86. North wind around 7 mph. Chance of precipitation is 10%.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Earlham IA
 41.5°N 94.13°W
Last Update:
7:06 am CDT Aug 17, 2025
Forecast Valid:
9am 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