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 >

Current conditions at

Madison Municipal Airport (KIMS)

Lat: 38.76°NLon: 85.47°WElev: 819ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 17 Aug 5:35 pm EDT
Extended Forecast for

3 Miles SSE Port Royal KY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 92. Northwest wind around 6 mph.

    High: 92 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 100. Northeast wind around 6 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. Light and variable wind.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly clear, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 92. Northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 92. Heat index values as high as 100. Northeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 94. Light and variable wind.
Tuesday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Saturday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Port Royal KY
 38.51°N 85.04°W (Elev. 545 ft)
Last Update:
4:17 pm EDT Aug 17, 2025
Forecast Valid:
5pm EDT Aug 17, 2025-6pm EDT 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