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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Heat Building in the West

Storm surge flooding and tropical storm conditions are expected in the Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Tropical storm conditions are possible along the eastern shore of Virginia Thursday. Hurricane Erin will continue to produce life-threatening surf and rip currents along much of the east coast of the U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

71°F

22°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 30.16 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 20 Aug 2:35 am CDT
Extended Forecast for

Oacoma SD

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 100. Southeast wind 7 to 14 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. South southeast wind 10 to 14 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. South wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 84. North wind 10 to 14 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. North northwest wind 6 to 11 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. North northwest wind 8 to 13 mph becoming light north northeast after midnight.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Light and variable wind.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 100. Southeast wind 7 to 14 mph.
Wednesday Night
Mostly clear, with a low around 69. South southeast wind 10 to 14 mph.
Thursday
Sunny and hot, with a high near 99. South wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 84. North wind 10 to 14 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 57. North northwest wind 6 to 11 mph.
Saturday
Sunny, with a high near 79. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 51. North northwest wind 8 to 13 mph becoming light north northeast after midnight.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
2:44 am CDT Aug 20, 2025
Forecast Valid:
2am CDT Aug 20, 2025-6pm CDT Aug 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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