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

Lake Elmo Airport (K21D)

Lat: 45°NLon: 92.85°WElev: 925ft.

Overcast

66°F

19°C

Humidity 94%
Wind Speed E 6 mph
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 6:35 am CDT
Extended Forecast for

Saint Marys Point MN

Flood Watch August 18, 06:46am until August 18, 10:00am
Click here for hazard details and duration
...
  •  
    Flood Watch August 18, 06:46am until August 18, 10:00am

    NOW until 10:00am Mon

    Flood Watch

  • Today

    High: 83 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81. North northwest wind around 5 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, sunny, with a high near 80. Calm wind becoming east northeast around 5 mph.

    High: 80 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am.  Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 83. Southeast wind around 10 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. North northwest wind around 5 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Wednesday
Areas of fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming east northeast around 5 mph.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 59. Calm wind.
Thursday
Areas of fog before 8am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 57. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 71. West northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 52. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 69. Northwest wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Point MN
 44.91°N 92.8°W (Elev. 899 ft)
6:28 am CDT Aug 18, 2025
6am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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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