Cheyenne River Reservation, SD Weather Forecast and Current Conditions

WEATHER ALERTS - High Wind Warning

Current Conditions From Nearby Station

39°F
Feels Like 27°F  
Humidity 65% Dew Point 28°F Wind WNW 30 MPH Gusts 39 Barometer 29.3 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

WedDec 17
Wed Dec 17: Rain And Snow, Low 9F
20%
 
9
ThuDec 18
Thu Dec 18: Snow, High 20F, Low 10F
20%
20
10
FriDec 19
Fri Dec 19: Partly Sunny, High 42F, Low 20F
42
20
SatDec 20
Sat Dec 20: Sunny, High 34F, Low 18F
34
18
SunDec 21
Sun Dec 21: Mostly Sunny, High 36F, Low 24F
36
24
MonDec 22
Mon Dec 22: Partly Sunny, High 46F, Low 22F
46
22
TueDec 23
Tue Dec 23: Partly Sunny, High 35F, Low 23F
35
23

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7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 20°F to a high of 46°F by week's end. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 4°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

1987 - A storm in the southwestern U.S. brought heavy rain and heavy snow to parts of California, Nevada, Arizona, Utah and New Mexico. Charleston NV was blanketed with 12 inches of snow. Lake Havasu City AZ was drenched with 2.26 inches of rain.

More on this and other weather history

Cheyenne River Reservation, SD 7 Day Weather Forecast Details

Wednesday Dec 17

Rain And Snow

Night: A slight chance of rain and snow before 11pm, then a slight chance of snow after midnight. Mostly cloudy, with a low around 9. Very windy, with a west wind 39 to 44 mph increasing to 45 to 50 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 20%.

Thursday Dec 18

Snow

Day: A slight chance of snow before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 20. Wind chill values as low as -18. Very windy, with a northwest wind 37 to 47 mph decreasing to 18 to 28 mph. Winds could gust as high as 65 mph. Chance of precipitation is 20%.

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

Partly Sunny

Day: Partly sunny, with a high near 42. South southeast wind 11 to 18 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 20. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

Saturday Dec 20

Sunny

Day: Sunny, with a high near 34. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

Mostly Clear

Night: Mostly clear, with a low around 18. West southwest wind around 10 mph.

Sunday Dec 21

Mostly Sunny

Day: Mostly sunny, with a high near 36. Southeast wind around 10 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 24. Southeast wind around 9 mph.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 46.

Mostly Cloudy

Night: Mostly cloudy, with a low around 22.

Tuesday Dec 23

Partly Sunny

Day: Partly sunny, with a high near 35.

Mostly Cloudy

Night: Mostly cloudy, with a low around 23.

Wednesday Dec 24

Mostly Sunny

Day: Mostly sunny, with a high near 41.

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.