Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Fair

60°F

16°C

Humidity 90%
Wind Speed N 5 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 7:52 am CDT
Extended Forecast for

Selby SD

  • Today

    Today: Sunny, with a high near 78. North northwest wind around 8 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 58. North northeast wind 5 to 10 mph becoming south after midnight.  Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 82. South wind 8 to 10 mph becoming northwest in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 57. North northwest wind 5 to 9 mph becoming east northeast after midnight.  Chance of precipitation is 30%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 77. North wind around 8 mph becoming east in the morning.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am.  Partly cloudy, with a low around 54. North wind 6 to 8 mph becoming south southeast after midnight.  Chance of precipitation is 20%.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 78. Southeast wind 6 to 8 mph becoming south southwest in the afternoon.  Chance of precipitation is 30%.

    High: 78 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 57. South southeast wind 7 to 10 mph.  Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 84. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. North northwest wind around 8 mph.
Tonight
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 58. North northeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 20%.
Monday
Sunny, with a high near 82. South wind 8 to 10 mph becoming northwest in the afternoon.
Monday Night
A chance of showers after 1am. Mostly cloudy, with a low around 57. North northwest wind 5 to 9 mph becoming east northeast after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. North wind around 8 mph becoming east in the morning. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 54. North wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 78. Southeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South southeast wind 7 to 10 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 84. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Selby SD
 45.49°N 100.05°W (Elev. 1900 ft)
7:36 am CDT Aug 16, 2026
8am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
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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