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

Cambridge Municipal Airport (KCBG)

Lat: 45.56°NLon: 93.26°WElev: 942ft.

Overcast

64°F

18°C

Humidity 88%
Wind Speed E 6 mph
Barometer 30.10 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 5:15 am CDT
Extended Forecast for

3 Miles NNW Grandy MN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly cloudy, with a high near 76. East northeast wind 5 to 10 mph.

    High: 76 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Low around 65. East wind 5 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    Heavy Rain
    then T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 1pm.  Mostly cloudy, with a high near 79. Southeast wind around 5 mph becoming west in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. North wind around 5 mph.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Wednesday Night

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

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 76. East northeast wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 65. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly cloudy, with a high near 79. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 76. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
Sunny, with a high near 78. Calm wind.
Wednesday Night
Mostly clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. South wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 78. Southwest wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 73. West northwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Grandy MN
 45.68°N 93.17°W (Elev. 935 ft)
4:28 am CDT Aug 17, 2025
5am CDT Aug 17, 2025-6pm CDT Aug 23, 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