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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

74°F

23°C

Humidity 88%
Wind Speed E 9 mph
Barometer 29.88 in (1010.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 9:52 pm CDT
Extended Forecast for

11 Miles ESE Mound City SD

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind becoming north around 6 mph after midnight.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 87. East wind around 8 mph becoming west in the afternoon.

    High: 87 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South southeast wind 6 to 8 mph becoming east in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88. Southeast wind 6 to 9 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. East southeast wind around 10 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. South southeast wind 9 to 18 mph.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. South southeast wind 15 to 18 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 91. South southeast wind 14 to 16 mph.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 58. North wind 10 to 16 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Calm wind becoming north around 6 mph after midnight.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 87. East wind around 8 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 63. South southeast wind 6 to 8 mph becoming east in the evening.
Tuesday
Sunny, with a high near 88. Southeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 64. East southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 90. South southeast wind 9 to 18 mph.
Wednesday Night
Mostly clear, with a low around 67. South southeast wind 15 to 18 mph.
Thursday
Sunny and hot, with a high near 91. South southeast wind 14 to 16 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. North wind 10 to 16 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Mound City SD
 45.67°N 99.84°W (Elev. 1791 ft)
Last Update:
9:46 pm CDT Aug 17, 2025
Forecast Valid:
10pm CDT Aug 17, 2025-6pm CDT Aug 24, 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