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

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

Canby Airfield (KCNB)

Lat: 44.73°NLon: 96.27°WElev: 1194ft.

Overcast

74°F

23°C

Humidity 92%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 15 Aug 9:15 am CDT
Extended Forecast for

Brandt SD

  • Today

    Today: A slight chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 85. South wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 67. East northeast wind around 9 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. East northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 79. East southeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind 9 to 11 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 79. Northeast wind around 9 mph.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. East wind 6 to 9 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Northeast wind 6 to 9 mph.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 85. South wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 67. East northeast wind around 9 mph. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. East northeast wind around 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. East southeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind 9 to 11 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 79. Northeast wind around 9 mph.
Monday Night
Partly cloudy, with a low around 64. East wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 81. Northeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brandt SD
 44.66°N 96.66°W (Elev. 1850 ft)
Last Update:
8:47 am CDT Aug 15, 2025
Forecast Valid:
9am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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