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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Thunderstorm Heavy Rain Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed SE 16 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 70°F (21°C)
Visibility 1.50 mi
Last update 17 Aug 4:56 am CDT
Extended Forecast for

Mapleton MN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind around 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Heat index values as high as 99. East southeast wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 71. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 7am. Partly sunny, with a high near 87. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. North northwest wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. North wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the morning.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind around 10 mph.
Sunday
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Heat index values as high as 99. East southeast wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 71. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms likely, mainly before 7am. Partly sunny, with a high near 87. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 65. North northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 81. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 61. South wind around 5 mph.
Friday
Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 58. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 76. Northwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mapleton MN
 43.93°N 93.95°W (Elev. 1017 ft)
Last Update:
4:28 am CDT Aug 17, 2025
Forecast Valid:
5am 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