Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

80°F

27°C

Humidity 51%
Wind Speed S 6 mph
Barometer 29.94 in (1012.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 12:52 pm CDT
Extended Forecast for

Herreid SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. South wind around 8 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight.  Partly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 86. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 86 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. North northwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Light east northeast wind becoming northeast 5 to 9 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Northeast wind 6 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. East wind 5 to 8 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am.  Mostly cloudy, with a low around 59. East wind 9 to 14 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 83. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. South wind around 8 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Partly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 86. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 57. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 87. Light east northeast wind becoming northeast 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 56. Northeast wind 6 to 10 mph.
Saturday
Sunny, with a high near 83. East wind 5 to 8 mph.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 59. East wind 9 to 14 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Herreid SD
 45.83°N 100.06°W (Elev. 1696 ft)
12:36 pm CDT Aug 19, 2026
1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database