Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

63°F

17°C

Humidity 30%
Wind Speed Vrbl 6 mph
Barometer 29.73 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 12:55 pm MDT
Extended Forecast for

3 Miles S Whitewood SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Northeast wind around 6 mph becoming east. Winds could gust as high as 16 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Southeast wind 7 to 12 mph becoming southwest 13 to 18 mph after midnight. Winds could gust as high as 25 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 62. Breezy, with a west wind 16 to 21 mph becoming north in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 50%.

    High: 62 °F

    Mostly Sunny
    and Breezy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 8pm, then snow showers.  Low around 26. Wind chill values as low as 13. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Blustery.
    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers.  Mostly cloudy, with a high near 37. Breezy, with a northwest wind 22 to 25 mph, with gusts as high as 37 mph.  New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Blustery, with a west wind 14 to 23 mph, with gusts as high as 33 mph.

    Low: 24 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow showers.  Mostly sunny, with a high near 44. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 44 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Blustery, with a northwest wind 15 to 20 mph becoming southwest 7 to 12 mph in the evening. Winds could gust as high as 30 mph.

    Low: 31 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Northeast wind around 6 mph becoming east. Winds could gust as high as 16 mph.
Tonight
Partly cloudy, with a low around 48. Southeast wind 7 to 12 mph becoming southwest 13 to 18 mph after midnight. Winds could gust as high as 25 mph.
Thursday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 62. Breezy, with a west wind 16 to 21 mph becoming north in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Thursday Night
Rain showers before 8pm, then snow showers. Low around 26. Wind chill values as low as 13. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 37. Breezy, with a northwest wind 22 to 25 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 24. Blustery, with a west wind 14 to 23 mph, with gusts as high as 33 mph.
Saturday
A 40 percent chance of snow showers. Mostly sunny, with a high near 44. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 31. Blustery, with a northwest wind 15 to 20 mph becoming southwest 7 to 12 mph in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Whitewood SD
 44.42°N 103.63°W (Elev. 4800 ft)
12:27 pm MDT Apr 15, 2026
1pm MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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