Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

STURGIS (K49B)

Lat: 44.42°NLon: 103.38°WElev: 3243ft.

Fair

57°F

14°C

Humidity 77%
Wind Speed NE 9 G 16 mph
Barometer 29.71 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 13 Apr 11:35 am MDT
Extended Forecast for

3 Miles WNW Bethlehem SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a temperature falling to around 56 by 5pm. South wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 31 mph.

    High: 63 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West wind 7 to 16 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 2pm.  Partly sunny, with a high near 59. West wind 5 to 7 mph becoming calm. Winds could gust as high as 16 mph.

    High: 59 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 35. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Southwest wind 5 to 7 mph becoming east in the morning. Winds could gust as high as 16 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. East wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers after noon.  Mostly sunny, with a high near 68. West wind 13 to 15 mph, with gusts as high as 29 mph.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 10pm, then rain and snow showers between 10pm and midnight, then snow showers after midnight.  Mostly cloudy, with a low around 24. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 34 mph.

    Low: 24 °F

    Rain/Snow
    then Snow
    Showers and
    Blustery

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Snow Showers
    Likely and
    Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a temperature falling to around 56 by 5pm. South wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 31 mph.
Tonight
Partly cloudy, with a low around 37. West wind 7 to 16 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 59. West wind 5 to 7 mph becoming calm. Winds could gust as high as 16 mph.
Tuesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 35. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 67. Southwest wind 5 to 7 mph becoming east in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 45. East wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Thursday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 68. West wind 13 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Rain showers before 10pm, then rain and snow showers between 10pm and midnight, then snow showers after midnight. Mostly cloudy, with a low around 24. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 34 mph.
Friday
Snow showers likely. Mostly cloudy, with a high near 34. Breezy.
Friday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 20.
Saturday
A chance of snow showers. Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Bethlehem SD
 44.32°N 103.56°W (Elev. 5226 ft)
10:27 am MDT Apr 13, 2026
11am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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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