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Sprawling Storm System Bringing Impactful Weather To Western and Central U.S. Through Midweek

A large storm system will extend from the West Coast to the Great Lakes during the next couple days bringing hazardous weather to many parts of the country. Heavy snow is expected in the higher terrain of the West, along with very strong winds. Snow and ice will disrupt travel in parts of the Midwest, and heavy rain could cause widespread flooding in the Mississippi Valley and Great Lakes. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Light Snow

-2°F

-19°C

Humidity 72%
Wind Speed Calm
Barometer 29.73 in (1017.6 mb)
Dewpoint -9°F (-23°C)
Visibility 0.75 mi
Last update 19 Feb 9:53 am MST
Extended Forecast for

Keystone SD

Winter Storm Warning until February 19, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until February 19, 11:00pm

    NOW until
    11:00pm Mon

    Winter Storm Warning

  • Washington's
    Birthday

    Washington's Birthday: Snow.  High near 5. Wind chill values between -7 and -12. Northeast wind 5 to 8 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

    Snow

    High: 5 °F

  • Tonight

    Tonight: Snow, mainly before 11pm.  Low around -10. Wind chill values between -14 and -24. North wind around 8 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Snow then
    Chance Snow

    Low: -10 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 7. Wind chill values between -12 and -22. Light and variable wind becoming northeast around 5 mph.

    Partly Sunny

    High: 7 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around -11. Wind chill values between -13 and -23. West wind 3 to 5 mph.

    Partly Cloudy

    Low: -11 °F

  • Wednesday

    Wednesday: Sunny, with a high near 21. Light and variable wind becoming south 5 to 8 mph in the morning.

    Sunny

    High: 21 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 0. Southwest wind 5 to 7 mph.

    Partly Cloudy

    Low: 0 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    Mostly Sunny

    High: 28 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 4.

    Partly Cloudy

    Low: 4 °F

Detailed Forecast

Washington's Birthday
Snow. High near 5. Wind chill values between -7 and -12. Northeast wind 5 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 11pm. Low around -10. Wind chill values between -14 and -24. North wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 7. Wind chill values between -12 and -22. Light and variable wind becoming northeast around 5 mph.
Tuesday Night
Partly cloudy, with a low around -11. Wind chill values between -13 and -23. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 21. Light and variable wind becoming south 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 0. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
A slight chance of snow. Mostly sunny, with a high near 34.
Click Map For Forecast
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
9:52 am MST Feb 19, 2018
10am MST Feb 19, 2018-6pm MST Feb 25, 2018
 
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