Cheyenne River Reservation, SD Weather Forecast and Current Conditions

WEATHER ALERTS - High Wind Warning

Current Conditions From Nearby Station

7°F
Feels Like -19°F  
Humidity 72% Dew Point 0°F Wind NNW 40 MPH Gusts 49 Barometer 29.63 in.
Report from a MADIS/MESONET weather station 6.5 mi. S of central Cheyenne River Reservation
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Point Forecast at a Glance

ThuDec 18
Thu Dec 18: Mostly Cloudy, High 20F, Low 10F
20
10
FriDec 19
Fri Dec 19: Mostly Cloudy, High 42F, Low 21F
42
21
SatDec 20
Sat Dec 20: Sunny, High 36F, Low 16F
36
16
SunDec 21
Sun Dec 21: Partly Sunny, High 37F, Low 26F
37
26
MonDec 22
Mon Dec 22: Mostly Sunny, High 47F, Low 25F
47
25
TueDec 23
Tue Dec 23: Partly Sunny, High 38F, Low 24F
38
24
WedDec 24
Wed Dec 24: Mostly Sunny, High 42F
42
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 20°F to a high of 47°F by week's end. Mostly dry conditions with only one day showing snow chances.

Climate Context

This week's forecast shows temperatures running 5°F above the historical average for December. Normal highs for this period are around 32°F with lows around 13°F.

This Date in Weather History

1983 - Record cold hit the north central states. At Havre, MT, the mercury plunged to a record reading of 34 degrees below zero.

More on this and other weather history

Cheyenne River Reservation, SD 7 Day Weather Forecast Details

Thursday Dec 18

Mostly Cloudy

Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 20. Wind chill values as low as -19. Very windy, with a northwest wind 30 to 40 mph decreasing to 18 to 28 mph. Winds could gust as high as 55 mph.

Increasing Clouds

Night: Increasing clouds, with a low around 10. Breezy, with a north northwest wind 8 to 13 mph becoming southeast 16 to 21 mph after midnight. Winds could gust as high as 30 mph.

Friday Dec 19

Mostly Cloudy

Day: Mostly cloudy, with a high near 42. South southeast wind 11 to 18 mph becoming west in the afternoon.

Snow

Night: A slight chance of snow after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Saturday Dec 20

Sunny

Day: Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 24 mph.

Mostly Clear

Night: Mostly clear, with a low around 16. West wind around 10 mph becoming south after midnight.

Sunday Dec 21

Partly Sunny

Day: Partly sunny, with a high near 37. South wind around 10 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 26. Southeast wind around 10 mph.

Monday Dec 22

Mostly Sunny

Day: Mostly sunny, with a high near 47. South wind 8 to 10 mph becoming west northwest in the afternoon.

Mostly Cloudy

Night: Mostly cloudy, with a low around 25.

Tuesday Dec 23

Partly Sunny

Day: Partly sunny, with a high near 38.

Mostly Cloudy

Night: Mostly cloudy, with a low around 24.

Wednesday Dec 24

Mostly Sunny

Day: Mostly sunny, with a high near 42.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.