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

Lake Elmo Airport (K21D)

Lat: 45°NLon: 92.85°WElev: 925ft.

Fair

77°F

25°C

Humidity 79%
Wind Speed E 3 mph
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Aug 7:35 pm CDT
Extended Forecast for

4 Miles WSW Marine On Saint Croix MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. East northeast wind around 5 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 77. East wind 10 to 15 mph.

    High: 77 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 67. East southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    T-storms then
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon.

    High: 82 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. North northwest wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. North wind around 5 mph.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. East northeast wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 77. East wind 10 to 15 mph.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 67. East southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 61. North northwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 77. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph.
Wednesday Night
Clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 5 mph.
Friday
Mostly sunny, with a high near 80. West wind around 5 mph.
Friday Night
Mostly clear, with a low around 58. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 76. West 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:
4 Miles WSW Marine On Saint Croix MN
 45.16°N 92.85°W (Elev. 948 ft)
Last Update:
7:28 pm CDT Aug 16, 2025
Forecast Valid:
7pm 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