National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

83°F

28°C

Humidity 30%
Wind Speed NW 8 mph
Barometer 29.48 in (997.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Oct 4:52 pm CDT
Extended Forecast for

Selby SD

  • Tonight

    Tonight: Increasing clouds, with a low around 51. West northwest wind 6 to 13 mph becoming northeast in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 64. Breezy, with a north northeast wind 16 to 20 mph, with gusts as high as 28 mph.

    High: 64 °F

    Mostly Cloudy
    and Breezy
    then Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. North northeast wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers. Cloudy, with a high near 58. North northeast wind 10 to 14 mph. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. North northwest wind 11 to 14 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. North northwest wind around 9 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. East northeast wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 59. East wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 40. East wind around 9 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. West northwest wind 6 to 13 mph becoming northeast in the evening.
Sunday
Mostly cloudy, with a high near 64. Breezy, with a north northeast wind 16 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 43. North northeast wind 13 to 17 mph, with gusts as high as 26 mph.
Columbus Day
A chance of showers. Cloudy, with a high near 58. North northeast wind 10 to 14 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 40. North northwest wind 11 to 14 mph.
Tuesday
Mostly cloudy, with a high near 56. North northwest wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 39. East northeast wind 5 to 7 mph.
Wednesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 59. East wind 6 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40. East wind around 9 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 39. Breezy. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 55. Breezy.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Selby SD
 45.52°N 100.05°W (Elev. 1900 ft)
Last Update:
4:21 pm CDT Oct 10, 2026
Forecast Valid:
5pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
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