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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Tolstoy SD

  • Today

    Today: Mostly cloudy, with a high near 35. North wind 10 to 15 mph.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. North wind 6 to 10 mph becoming west after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. West northwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 21. Blustery, with a northwest wind 15 to 21 mph.

    High: 21 °F

    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. North northwest wind 7 to 13 mph becoming west southwest after midnight.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind around 15 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. West wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 35. North wind 10 to 15 mph.
Tonight
Mostly cloudy, with a low around 19. North wind 6 to 10 mph becoming west after midnight.
Friday
Partly sunny, with a high near 35. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 14. West northwest wind around 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 21. Blustery, with a northwest wind 15 to 21 mph.
Saturday Night
Mostly clear, with a low around 8. North northwest wind 7 to 13 mph becoming west southwest after midnight.
Sunday
Mostly sunny, with a high near 39. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 28. West wind around 15 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 47. West wind 15 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Partly sunny, with a high near 44. Breezy. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tolstoy SD
 45.23°N 99.61°W (Elev. 1900 ft)
Last Update:
5:36 am CST Jan 8, 2026
Forecast Valid:
5am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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