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

Cambridge Municipal Airport (KCBG)

Lat: 45.56°NLon: 93.26°WElev: 942ft.

Overcast

68°F

20°C

Humidity 88%
Wind Speed SE 8 mph
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 4:15 am CDT
Extended Forecast for

5 Miles ENE Isanti MN

Flood Watch August 18, 04:23am until August 18, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 18, 04:23am until August 18, 10:00am

    NOW until 10:00am Mon

    Flood Watch

  • Overnight

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before noon.  Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming west northwest in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 63. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 80. North northwest wind around 5 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 59. North wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 80. Calm wind.

    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: Patchy fog before 8am.  Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming west northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. North northwest wind around 5 mph.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 59. North wind around 5 mph becoming calm.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 80. Calm wind.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 59. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 63. South wind around 5 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. West southwest wind around 5 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 55. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 70. West northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 69. Northwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Isanti MN
 45.51°N 93.15°W (Elev. 951 ft)
3:09 am CDT Aug 18, 2025
4am 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