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

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

64°F

18°C

Humidity 94%
Wind Speed E 10 G 21 mph
Barometer 29.90 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 Jun 11:55 pm MDT
Extended Forecast for

2 Miles SE Saint Onge SD

  • Overnight

    Overnight: A slight chance of showers between 2am and 4am.  Areas of fog after 1am.  Otherwise, mostly cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers and
    Areas Fog

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe.  Areas of fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Areas Fog
    then Severe
    Thunderstorms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 3am, then a slight chance of showers. Some of the storms could be severe.  Areas of fog after 2am.  Otherwise, mostly cloudy, with a low around 60. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    Low: 60 °F

    Severe
    Thunderstorms
    then Severe
    Thunderstorms
    and Areas Fog

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 83. Southwest wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Areas Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 60. East wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 60 °F

    T-storms
    Likely

  • Monday

    Monday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 79. West wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 58. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    Low: 58 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 70. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers between 2am and 4am. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers and thunderstorms likely before 3am, then a slight chance of showers. Some of the storms could be severe. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 60. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 83. Southwest wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. East wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. West wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 55.
Wednesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 56.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Onge SD
 44.55°N 103.73°W (Elev. 3442 ft)
10:09 pm MDT Jun 13, 2025
12am MDT Jun 14, 2025-6pm MDT Jun 20, 2025
 
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Additional Resources

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