Nearby locations
Dewey County, South Dakota, United States
Ridgeview, South Dakota, United States
Whitehorse, South Dakota, United States
Nearby popular places
Booth Ranch Airport, United States
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Weather in Dewey County, United States

27°
Clear
Feels like 26°
·
High41°Low23°
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Air quality

Full Details
0
46
500
Air quality:Good

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
4/5
012345

Tomorrow's weather summary

The weather in Dewey County on Saturday, July 25th, is going to be cloudy for most of the day.

Additionally, there will be clear skies before dawn, at about 12 am.

Weather details for Dewey County, on Saturday, July 25th:

The highest temperature during the day is going to be 41°C at about 2 pm. The day will be very dry, with average humidity of 30%, ranging from 15% to a maximum value of 55% at about midnight. The wind will be breezy, and will get up to 29 km/h at 11 pm, blowing from the south. The cloud coverage will range from 0% around 2 am to as high as 100% around 11 pm with an average of 73%.

There is no probability for any precipitation throughout the day. The dew point will range from 7°C up to a maximum value of 18°C around midnight.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be low with average pressure of 1006 hPa. Sunrise will be at 5:20 am, and sunset at 8:19 pm. The day will have 14 hours and 59 minutes of daylight.

Air quality forecast for Dewey County, on Saturday, July 25th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 41 and 60.

Pollen forecast for Dewey County, on Saturday, July 25th:

Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.

The weather in Dewey County on Sunday, July 26th, will vary throughout the day from drizzling weather to clear.

Looks like drizzle will emerge before dawn and there is a high chance for clear skies around noon.

Weather details for Dewey County, on Sunday, July 26th:

The highest temperature of the day is going to be 41°C at about 5 pm. The day will be dry, with average humidity of 33%, ranging from 16% to a maximum value of 52% at about 6 am. The wind will be strong, and will get up to 35 km/h at midnight, blowing from the south. The cloud coverage will range from 0% around 1 pm to as high as 100% around 8 am with an average of 48%.

The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 6 am and the lowest probability around midnight. The dew point will range from 8°C up to a maximum value of 16°C around 7 am.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be low with average pressure of 1006 hPa. Sunrise will be at 5:21 am, and sunset at 8:18 pm. The day will have 14 hours and 57 minutes of daylight.

Air quality forecast for Dewey County, on Sunday, July 26th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 35 and 42.

Pollen forecast for Dewey County, on Sunday, July 26th:

Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.

FAQ

How warm does it get in Dewey County?
The average annual highest temperature in Dewey County is 32.3°C (90.1°F), and the July 11th is the hottest day on average.
How cold does it get in Dewey County?
The average annual lowest temperature in Dewey County is -17.4°C (0.7°F), and the December 28th is the coldest day on average.
Which month has the most rain in Dewey County?
The wettest months in Dewey County are June and May.
What months does it snow in Dewey County?
The most common time of year for snow is December, February, April, March, January and November.