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° N Lon: 85.47° W Elev: 819 ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 9:15 pm EDT
Detailed forecast for

Jefferson County

Tonight
Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows around 70. Northeast winds up to 5 mph.
Monday
Sunny. Highs in the upper 80s. Northeast winds up to 5 mph.
Monday Night
Mostly clear. Lows in the upper 60s. Northeast winds up to 5 mph.
Tuesday
Sunny. Highs in the lower 90s. Light winds becoming west up to 5 mph in the afternoon.
Tuesday Night
Partly cloudy with a 30 percent chance of thunderstorms. Lows around 70. North winds up to 5 mph in the evening becoming light.
Wednesday
Partly sunny. Slight chance of showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 20 percent.
Wednesday Night
Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the upper 60s.
Thursday
Mostly sunny. Highs in the mid 80s.
Thursday Night
Mostly clear. Lows in the mid 60s.
Friday
Sunny. Highs in the upper 80s.
Friday Night
Mostly clear. Lows in the mid 60s.
Saturday
Sunny. Highs in the upper 80s.
Saturday Night
Mostly clear. Lows in the lower 60s.
Sunday
Sunny. Highs in the lower 80s.



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924 PM EDT Sun Aug 17 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database