Weather in Spearfish, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Spearfish on Thursday, August 7th, will be clear for most of the day.
Also, there's a high chance of cloud overcast during the night, around 10 pm.
Weather information for Spearfish, on Thursday, August 7th:
The highest temperature during the day is going to be 97°F at about 3 pm. The day will have comfortable humidity, with average humidity of 53%, ranging from 35% to a maximum value of 73% at about 6 am. The wind will be breezy, and will get up to 15 mph at 5 pm, blowing from the south. The cloud coverage will range from 0% around 9 am to as high as 98% around 10 pm with an average of 11%.
There is no probability for any precipitation throughout the day. The dew point will range from 64°F up to a maximum value of 69°F around 7 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 5:43 am, and sunset at 7:21 pm, making it a total of 13 hours and 38 minutes of daylight.
Air quality forecast for Spearfish, on Thursday, August 7th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 56 and 66.
Pollen forecast for Spearfish, on Thursday, August 7th:
Tree pollen on this day is expected to have no risk. There's very high risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.
The weather in Spearfish on Friday, August 8th, will be clear for most of the day, with some clouds around noon.
There is also a chance for many clouds around noon around 12 pm.
Weather information for Spearfish, on Friday, August 8th:
The highest temperature during the day will be 98°F at about 3 pm. The day will have comfortable humidity, with average humidity of 53%, ranging from 37% to a maximum value of 68% at about 6 am. The wind will be breezy, and will get up to 17 mph at 5 pm, blowing from the south. The cloud coverage will range from 0% around 1 am to as high as 85% around 11 pm with an average of 23%.
There is no probability for any precipitation throughout the day. The dew point will range from 66°F up to a maximum value of 69°F around 1 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 5:44 am, and sunset at 7:21 pm. The day will have 13 hours and 37 minutes of daylight.
Air quality forecast for Spearfish, on Friday, August 8th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 55 and 61.
Pollen forecast for Spearfish, on Friday, August 8th:
Tree pollen on this day is expected to have no risk. There's very high risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.
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