Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Stephan SD

  • Overnight

    Overnight: A chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 61. East wind around 11 mph.  Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, mainly between 1pm and 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 86. East wind 9 to 11 mph becoming south in the morning.  Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 64. East southeast wind around 10 mph.  Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 87. Southeast wind 10 to 15 mph becoming west in the afternoon.  Chance of precipitation is 50%.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 61. North wind 8 to 13 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 77. Northeast wind 9 to 11 mph.  Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. North wind 7 to 10 mph.  Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 76. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 76 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Northwest wind 7 to 10 mph becoming south southwest after midnight.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 61. East wind around 11 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms, mainly between 1pm and 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. East wind 9 to 11 mph becoming south in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. East southeast wind around 10 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. North wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Northeast wind 9 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind 7 to 10 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 76. Northwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 56. Northwest wind 7 to 10 mph becoming south southwest after midnight.
Juneteenth
Sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 62. Chance of precipitation is 20%.
Friday
Sunny and hot, with a high near 90.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.25°N 99.47°W (Elev. 1867 ft)
12:47 am CDT Jun 15, 2025
1am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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