Gannvalley, SD Weather Forecast and Current Conditions

WEATHER ALERTS - Winter Weather Advisory

Current Conditions

14°F
Feels Like -5°F  
Humidity 89% Dew Point 11°F Wind NNW 24 MPH Gusts 34 Barometer N/A
Report from a MADIS/MESONET weather station 18 mi. NE of central Gannvalley
at

Point Forecast at a Glance

FriDec 12
Fri Dec 12: Snow, High 7F, Low 0F
30%
7
0
SatDec 13
Sat Dec 13: Snow, High 6F, Low -14F
80%
6
-14
SunDec 14
Sun Dec 14: Blowing Snow, High 26F, Low 16F
50%
26
16
MonDec 15
Mon Dec 15: Mostly Sunny, High 35F, Low 22F
35
22
TueDec 16
Tue Dec 16: Partly Sunny, High 40F, Low 27F
40
27
WedDec 17
Wed Dec 17: Partly Sunny, High 42F, Low 17F
42
17
ThuDec 18
Thu Dec 18: Mostly Sunny, High 30F
30
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 6°F to a high of 42°F by week's end. Some snow possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 31°F and lows around 12°F.

This Date in Weather History

1960 - The first of three Middle Atlantic snowstorms produced a foot of snow at Baltimore MD. A pre-winter blizzard struck the northeastern U.S. producing wind gusts as high as 51 mph, along with 16 inches of snow at Nantucket MA, and 20 inches at Newark NJ.

More on this and other weather history

Gannvalley, SD 7 Day Weather Forecast Details

Friday Dec 12

Snow

Day: A chance of snow, mainly between noon and 5pm. Cloudy, with a temperature falling to around 7 by 3pm. Blustery, with a north northwest wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 30%.

Snow

Night: Snow, mainly after 1am. The snow could be heavy at times. Low around 0. North northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday Dec 13

Snow

Day: Snow before noon. High near 6. Northeast wind 7 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Partly Cloudy

Night: Partly cloudy, with a low around -14. Wind chill values as low as -23. North northwest wind 5 to 7 mph becoming calm.

Sunday Dec 14

Blowing Snow

Day: Patchy blowing snow between 1pm and 3pm. Sunny, with a high near 26. Breezy, with a south southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 16. South southeast wind 7 to 14 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.

Monday Dec 15

Mostly Sunny

Day: Mostly sunny, with a high near 35. West northwest wind 5 to 7 mph becoming south southwest in the afternoon.

Partly Cloudy

Night: Partly cloudy, with a low around 22. South wind 5 to 7 mph.

Tuesday Dec 16

Partly Sunny

Day: Partly sunny, with a high near 40. West wind 7 to 9 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 27.

Wednesday Dec 17

Partly Sunny

Day: Partly sunny, with a high near 42.

Mostly Cloudy

Night: Mostly cloudy, with a low around 17.

Thursday Dec 18

Mostly Sunny

Day: Mostly sunny, with a high near 30.

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.