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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

Lat: 44.38°NLon: 100.29°WElev: 1742ft.

A Few Clouds

91°F

33°C

Humidity 50%
Wind Speed E 9 mph
Barometer 29.89 in (1010.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 15 Aug 3:53 pm CDT
Extended Forecast for

Onida SD

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 82. East wind around 13 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 66. East wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. East northeast wind around 11 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 86. Northeast wind around 9 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. East wind 8 to 10 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 82. East wind around 13 mph.
Tonight
A chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 66. East wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. East northeast wind around 11 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind around 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 86. Northeast wind around 9 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East wind 8 to 10 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 87. East wind 8 to 10 mph.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny and hot, with a high near 90.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny and hot, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onida SD
 44.7°N 100.06°W (Elev. 1900 ft)
Last Update:
4:31 pm CDT Aug 15, 2025
Forecast Valid:
4pm CDT Aug 15, 2025-6pm CDT Aug 21, 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