Weather information for the Deadwood-Spearfish area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for Deadwood / Spearfish are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 32° | 36° | 42° | 52° | 64° | 74° | 81° | 78° | 67° | 56° | 42° | 34° |
| Avg. Low | 10° | 14° | 18° | 28° | 38° | 47° | 54° | 51° | 41° | 32° | 21° | 12° |
| Daily Avg | 22° | 25° | 31° | 41° | 51° | 61° | 68° | 65° | 55° | 45° | 32° | 24° |
| Avg. Precip. | 1.3 in | 1.3 in | 2.3 in | 3.7 in | 4.7 in | 4.1 in | 2.3 in | 2.3 in | 2.1 in | 1.7 in | 1.3 in | 1.4 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
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Today
Snow Likely And Patchy Blowing Snow
Tonight
Patchy Blowing Snow then Partly Cloudy
Wednesday
Mostly Sunny
Wednesday Night
Mostly Cloudy then Slight Chance Light Snow
Thursday
Chance Light Snow
Thursday Night
Chance Light Snow then Mostly Cloudy
Detailed Forecast |
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|---|---|
| Today | Snow likely and patchy blowing snow before 1pm, then patchy blowing snow and a slight chance of snow. Cloudy. High near 30, with temperatures falling to around 27 in the afternoon. Wind chill values as low as 12. Northwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible. |
| Tonight | Patchy blowing snow before 7pm. Partly cloudy, with a low around 16. Wind chill values as low as 4. Northwest wind 7 to 17 mph, with gusts as high as 30 mph. |
| Wednesday | Mostly sunny. High near 42, with temperatures falling to around 40 in the afternoon. Wind chill values as low as 8. West wind 6 to 9 mph. |
| Wednesday Night | A slight chance of snow after 5am. Mostly cloudy. Low around 25, with temperatures rising to around 27 overnight. Wind chill values as low as 20. West wind 3 to 8 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible. |
| Thursday | A chance of snow. Cloudy. High near 33, with temperatures falling to around 31 in the afternoon. Northeast wind 3 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 2 inches possible. |
| Thursday Night | A chance of snow before 11pm. Mostly cloudy, with a low around 20. Northwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible. |
| Friday | Mostly sunny, with a high near 40. West wind 9 to 16 mph, with gusts as high as 24 mph. |
| Friday Night | Mostly clear, with a low around 26. West wind 10 to 17 mph, with gusts as high as 29 mph. |
| Saturday | Mostly sunny, with a high near 47. |
| Saturday Night | Mostly clear, with a low around 33. |
| Sunday | Sunny, with a high near 55. |
| Sunday Night | Partly cloudy, with a low around 35. |
| Monday | Mostly sunny, with a high near 58. |
| Monday Night | Partly cloudy, with a low around 32. |
