Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Hazardous Weather Conditions

Current conditions at

MILBANK (K1D1)

Lat: 45.23°NLon: 96.57°WElev: 1116ft.

Fair

54°F

12°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.09 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 17 Aug 3:35 am CDT
Extended Forecast for

Marvin SD

  • Overnight

    Overnight: Mostly clear, with a low around 59. West southwest wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 80. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, with a low around 60. West wind around 8 mph.  Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 75. West wind 5 to 7 mph becoming north northeast in the morning.  Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. North northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 75. Light and variable wind becoming south around 5 mph in the morning.  Chance of precipitation is 20%.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 58. South wind 5 to 7 mph.  Chance of precipitation is 10%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly clear, with a low around 63. Southwest wind 8 to 10 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 59. West southwest wind around 6 mph.
Monday
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 80. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 60. West wind around 8 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. West wind 5 to 7 mph becoming north northeast in the morning. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 56. North northwest wind around 6 mph becoming light and variable after midnight.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 75. Light and variable wind becoming south around 5 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 58. South wind 5 to 7 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 79. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 63. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms before 1pm. Sunny, with a high near 80. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Marvin SD
 45.25°N 96.91°W (Elev. 1650 ft)
3:22 am CDT Aug 17, 2026
3am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database