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

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22° N Lon: 93.92° W Elev: 1020 ft.

A Few Clouds

80°F

27°C

Humidity 79%
Wind Speed E 13 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 4:56 pm CDT
Detailed forecast for

Le Sueur County

Tonight
Mostly cloudy. Chance of thunderstorms in the evening. Thunderstorms likely after midnight. Some thunderstorms may produce heavy rainfall in the late evening and overnight. Lows around 70. Southeast winds 5 to 15 mph. Chance of precipitation 70 percent.
Monday
Partly sunny. A 50 percent chance of thunderstorms in the morning. Some thunderstorms may produce heavy rainfall in the morning. Highs in the lower 80s. South winds 5 to 10 mph shifting to the west in the afternoon.
Monday Night
Partly cloudy. Lows in the mid 60s. Northwest winds up to 10 mph.
Tuesday
Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph.
Tuesday Night
Clear. Lows around 60. Northeast winds up to 5 mph.
Wednesday
Sunny. Highs in the lower 80s.
Wednesday Night
Clear. Lows around 60.
Thursday
Sunny. Highs in the lower 80s.
Thursday Night
Mostly clear. Lows in the lower 60s.
Friday
Mostly sunny. Highs around 80.
Friday Night
Mostly clear. Lows in the upper 50s.
Saturday
Sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows in the lower 50s.
Sunday
Sunny. Highs in the lower 70s.



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427 PM CDT 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