National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

New Ulm Municipal Airport (KULM)

Lat: 44.32°NLon: 94.5°WElev: 1001ft.

Fair

81°F

27°C

Humidity 74%
Wind Speed E 9 mph
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Aug 6:05 pm CDT
Extended Forecast for

Lafayette MN

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 69. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Slight Chance
    Showers then
    Heavy Rain

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 81. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. East wind around 10 mph becoming south southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    T-storms
    Likely

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 83 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. North wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

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

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. East wind around 5 mph becoming south southeast after midnight.

    Low: 59 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 69. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 81. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. East wind around 10 mph becoming south southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 62. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 79. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 60. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 59. East wind around 5 mph becoming south southeast after midnight.
Thursday
Sunny, with a high near 82. South wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 62. South wind around 5 mph.
Friday
Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Friday Night
A 20 percent chance of showers. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lafayette MN
 44.45°N 94.4°W (Elev. 1017 ft)
Last Update:
4:48 pm CDT Aug 16, 2025
Forecast Valid:
6pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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