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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

70°F

21°C

Humidity 33%
Wind Speed Vrbl 5 G 14 mph
Barometer 30.13 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Jun 2:55 pm MDT
Extended Forecast for

5 Miles ESE Saint Onge SD

  • Tonight

    Tonight: A chance of sprinkles between midnight and 3am. Mostly cloudy, with a low around 51. North wind 7 to 15 mph becoming southeast in the evening. Winds could gust as high as 22 mph.

    Low: 51 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 74. Breezy, with a southeast wind 16 to 25 mph, with gusts as high as 38 mph.

    High: 74 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Breezy, with a southeast wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon. High near 64. East wind 7 to 15 mph becoming north in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 67. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of sprinkles between midnight and 3am. Mostly cloudy, with a low around 51. North wind 7 to 15 mph becoming southeast in the evening. Winds could gust as high as 22 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 74. Breezy, with a southeast wind 16 to 25 mph, with gusts as high as 38 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Breezy, with a southeast wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%.
Sunday
Showers, with thunderstorms also possible after noon. High near 64. East wind 7 to 15 mph becoming north in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 67. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 68. Breezy.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Saint Onge SD
 44.53°N 103.67°W (Elev. 3596 ft)
Last Update:
2:27 pm MDT Jun 19, 2026
Forecast Valid:
3pm MDT Jun 19, 2026-6pm MDT Jun 26, 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