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.

A Few Clouds

81°F

27°C

Humidity 67%
Wind Speed Calm
Barometer 29.87 in (1010.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 5:52 pm CDT
Extended Forecast for

3 Miles NE Selby SD

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Northwest wind 7 to 10 mph becoming northeast after midnight.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 87. East northeast wind around 8 mph becoming northwest in the morning.

    High: 87 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. East southeast wind 6 to 8 mph.

    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 65. East southeast wind around 11 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. South southeast wind 10 to 18 mph.

    High: 90 °F

    Hot

  • Wednesday Night

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

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 91. South wind around 16 mph, with gusts as high as 24 mph.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Partly cloudy, with a low around 59. North wind 11 to 16 mph.  Chance of precipitation is 30%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Northwest wind 7 to 10 mph becoming northeast after midnight.
Monday
Partly sunny, with a high near 87. East northeast wind around 8 mph becoming northwest in the morning.
Monday Night
Partly cloudy, with a low around 63. East southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 88. Southeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 65. East southeast wind around 11 mph.
Wednesday
Sunny and hot, with a high near 90. South southeast wind 10 to 18 mph.
Wednesday Night
Mostly clear, with a low around 67. South southeast wind around 18 mph.
Thursday
Sunny and hot, with a high near 91. South wind around 16 mph, with gusts as high as 24 mph.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 59. North wind 11 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 50.
Sunday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Selby SD
 45.54°N 99.99°W (Elev. 1900 ft)
5:46 pm CDT Aug 17, 2025
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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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