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

South St. Paul Municipal-Richard E. Flemi (KSGS)

Lat: 44.86°NLon: 93.03°WElev: 817ft.

Fair

64°F

18°C

Humidity 59%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Jun 3:15 am CDT
Extended Forecast for

Cottage Grove MN

  • Overnight

    Overnight: Mostly clear, with a low around 56. East wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 1am. Low around 61. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. West northwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 76 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Northwest wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 54 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. East southeast wind around 5 mph.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. East wind around 5 mph.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 56. East wind around 5 mph.
Tuesday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms, mainly before 1am. Low around 61. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Scattered showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. West northwest wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Northwest wind 5 to 10 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 74. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. East southeast wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. East wind around 5 mph.
Saturday
Partly sunny, with a high near 81. Southeast wind 5 to 15 mph.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cottage Grove MN
 44.82°N 92.92°W (Elev. 846 ft)
Last Update:
1:26 am CDT Jun 23, 2026
Forecast Valid:
3am CDT Jun 23, 2026-6pm CDT Jun 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation