Skip to content

Checked

Bison, SD Weather

Today: Slight Chance Rain And Snow Showers then Partly Sunny, high 58°F, low 34°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Bison, SD current weather

36°F

Partly Cloudy

Forecast for this hour. No recent report from a nearby station.

H 58° / L 34°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/27/2026, 10:01 PM PT

Hourly forecast

NWS, updated 10/27/2026, 10:01 PM PT

  1. Now36°
  2. 2 AM35°
  3. 3 AM35°
  4. 4 AM35°
  5. 5 AM35°
  6. 6 AM35°
  7. 7 AM34°18%
  8. 8 AM34°18%
  9. 9 AM36°
  10. 10 AM41°
  11. 11 AM46°
  12. 12 PM50°
  13. 1 PM53°
  14. 2 PM56°
  15. 3 PM58°
  16. 4 PM58°
  17. 5 PM57°
  18. 6 PM52°
  19. 7 PM47°
  20. 8 PM43°
  21. 9 PM41°
  22. 10 PM39°
  23. 11 PM37°
  24. Thu12 AM35°
  25. 1 AM34°
  26. 2 AM32°
  27. 3 AM32°
  28. 4 AM32°
  29. 5 AM32°
  30. 6 AM31°
  31. 7 AM30°
  32. 8 AM31°
  33. 9 AM34°
  34. 10 AM38°
  35. 11 AM42°
  36. 12 PM46°
  37. 1 PM50°
  38. 2 PM53°
  39. 3 PM55°
  40. 4 PM55°
  41. 5 PM53°
  42. 6 PM50°
  43. 7 PM46°
  44. 8 PM43°
  45. 9 PM40°
  46. 10 PM38°
  47. 11 PM36°
  48. Fri12 AM35°

7-day forecast

Tap a day for details

  • Today10/2818% chance of precipitationLow 34°High 58°

    Wednesday: A slight chance of rain and snow showers between 7am and 9am. Partly sunny, with a high near 58. West wind 2 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Overnight: Mostly cloudy, with a low around 34. South wind around 6 mph.

    Slight Chance Rain And Snow Showers then Partly Sunny
  • Thu10/29Low 32°High 56°

    Thursday: Sunny. High near 56, with temperatures falling to around 53 in the afternoon. Southeast wind 3 to 9 mph, with gusts as high as 20 mph.

    Thursday Night: Partly cloudy, with a low around 32. Northeast wind 5 to 8 mph, with gusts as high as 17 mph.

    Sunny
  • Fri10/3015% chance of precipitationLow 41°High 51°

    Friday: Partly sunny, with a high near 51. East wind 8 to 15 mph, with gusts as high as 29 mph.

    Friday Night: A slight chance of rain after 1am. Cloudy, with a low around 41.

    Partly Sunny
  • Sat10/3116% chance of precipitationLow 42°High 58°

    Saturday: A slight chance of rain before 1pm. Cloudy, with a high near 58.

    Saturday Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 42.

    Slight Chance Light Rain
  • Sun11/156% chance of precipitationLow 41°High 58°

    Sunday: Mostly cloudy, with a high near 58.

    Sunday Night: Rain likely. Cloudy, with a low around 41.

    Mostly Cloudy
  • Mon11/268% chance of precipitationLow 35°High 50°

    Monday: Rain likely. Mostly cloudy, with a high near 50.

    Monday Night: Rain likely. Mostly cloudy, with a low around 35.

    Light Rain Likely
  • Tue11/332% chance of precipitationLow High 49°

    Tuesday: A chance of rain. Mostly cloudy, with a high near 49.

    Chance Light Rain

Forecast for 45.524, -102.468 from the NWS UNR office, updated 10/27/2026, 10:01 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now36°Partly Cloudy0%6 mph
  2. 2 AM35°Mostly Cloudy0%6 mph
  3. 3 AM35°Mostly Cloudy2%6 mph
  4. 4 AM35°Mostly Cloudy2%5 mph
  5. 5 AM35°Mostly Cloudy5%3 mph
  6. 6 AM35°Mostly Cloudy5%2 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow
25°43°60°0%100%WedThuFriSatSunMonTue58°34°55°30°50°32°57°43°57°44°48°39°42°35°

Line: temperature °F. Bars: chance of precipitation.

  1. WedNow36°0%6
  2.  2 AM35°0%6
  3.  3 AM35°2%6
  4.  4 AM35°2%5
  5.  5 AM35°5%3
  6.  6 AM35°5%2
  7.  7 AM34°18%2
  8.  8 AM34°18%3
  9.  9 AM36°9%6
  10.  10 AM41°9%8
  11.  11 AM46°2%10
  12.  12 PM50°2%13
  13.  1 PM53°0%16
  14.  2 PM56°0%16
  15.  3 PM58°0%16
  16.  4 PM58°0%15
  17.  5 PM57°0%14
  18.  6 PM52°0%7
  19.  7 PM47°0%6
  20.  8 PM43°0%3
  21.  9 PM41°0%3
  22.  10 PM39°0%2
  23.  11 PM37°0%1
  24. Thu 10/2912 AM35°0%1
  25.  1 AM34°0%1
  26.  2 AM32°0%2
  27.  3 AM32°0%2
  28.  4 AM32°0%2
  29.  5 AM32°0%2
  30.  6 AM31°0%3
  31.  7 AM30°0%3
  32.  8 AM31°0%5
  33.  9 AM34°0%5
  34.  10 AM38°0%6
  35.  11 AM42°0%7
  36.  12 PM46°0%8
  37.  1 PM50°0%9
  38.  2 PM53°0%8
  39.  3 PM55°0%7
  40.  4 PM55°0%6
  41.  5 PM53°0%5
  42.  6 PM50°0%5
  43.  7 PM46°0%5
  44.  8 PM43°0%5
  45.  9 PM40°0%5
  46.  10 PM38°0%5
  47.  11 PM36°0%5
  48. Fri 10/3012 AM35°0%5
  49.  1 AM34°0%6
  50.  2 AM33°0%6
  51.  3 AM33°0%7
  52.  4 AM33°0%7
  53.  5 AM32°0%8
  54.  6 AM32°0%8
  55.  7 AM32°0%9
  56.  8 AM33°0%9
  57.  9 AM34°0%9
  58.  10 AM35°0%10
  59.  11 AM39°0%12
  60.  12 PM43°0%13
  61.  1 PM46°0%13
  62.  2 PM48°0%14
  63.  3 PM50°0%15
  64.  4 PM50°0%15
  65.  5 PM50°0%15
  66.  6 PM48°0%15
  67.  7 PM48°9%17
  68.  8 PM46°9%17
  69.  9 PM45°9%17
  70.  10 PM44°9%17
  71.  11 PM43°9%16
  72. Sat 10/3112 AM43°9%16
  73.  1 AM43°15%15
  74.  2 AM43°15%14
  75.  3 AM43°15%14
  76.  4 AM43°15%13
  77.  5 AM43°15%13
  78.  6 AM43°15%12
  79.  7 AM43°16%12
  80.  8 AM44°16%12
  81.  9 AM45°16%12
  82.  10 AM47°16%12
  83.  11 AM49°16%12
  84.  12 PM51°16%12
  85.  1 PM53°14%12
  86.  2 PM55°14%10
  87.  3 PM56°14%9
  88.  4 PM57°14%8
  89.  5 PM56°14%7
  90.  6 PM55°14%7
  91.  7 PM53°16%7
  92.  8 PM51°16%7
  93.  9 PM49°16%7
  94.  10 PM47°16%7
  95.  11 PM46°16%6
  96. Sun 11/112 AM46°16%6
  97.  1 AM46°12%5
  98.  1 AM45°12%5
  99.  2 AM45°12%5
  100.  3 AM44°12%5
  101.  4 AM44°12%5
  102.  5 AM44°12%6
  103.  6 AM44°5%6
  104.  7 AM45°5%6
  105.  8 AM46°5%7
  106.  9 AM47°5%7
  107.  10 AM49°5%8
  108.  11 AM52°5%9
  109.  12 PM54°11%10
  110.  1 PM56°11%12
  111.  2 PM57°11%13
  112.  3 PM57°11%14
  113.  4 PM56°11%14
  114.  5 PM55°11%14
  115.  6 PM53°24%14
  116.  7 PM51°24%14
  117.  8 PM49°24%15
  118.  9 PM47°24%15
  119.  10 PM46°24%15
  120.  11 PM45°24%14
  121. Mon 11/212 AM45°56%14
  122.  1 AM44°56%14
  123.  2 AM44°56%15
  124.  3 AM43°56%16
  125.  4 AM43°56%16
  126.  5 AM43°56%17
  127.  6 AM43°68%17
  128.  7 AM43°68%18
  129.  8 AM43°68%20
  130.  9 AM44°68%21
  131.  10 AM45°68%21
  132.  11 AM46°68%22
  133.  12 PM47°59%22
  134.  1 PM48°59%22
  135.  2 PM48°59%23
  136.  3 PM48°59%23
  137.  4 PM47°59%23
  138.  5 PM46°59%22
  139.  6 PM45°55%22
  140.  7 PM43°55%22
  141.  8 PM42°55%22
  142.  9 PM40°55%22
  143.  10 PM39°55%20
  144.  11 PM39°55%17
  145. Tue 11/312 AM38°50%15
  146.  1 AM37°50%15
  147.  2 AM37°50%15
  148.  3 AM36°50%15
  149.  4 AM35°50%14
  150.  5 AM35°50%14
  151.  6 AM35°32%13
  152.  7 AM36°32%12
  153.  8 AM37°32%12
  154.  9 AM38°32%12
  155.  10 AM40°32%12
  156.  11 AM42°32%13

Temperature °F · chance of precipitation · wind in mph

NWS hourly forecast updated 10/27/2026, 10:01 PM PT

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

South Dakota hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

Drought

By county

Perkins County, week of 10/20/2026

82% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
8:24 AM
Sunset
6:42 PM
Daylight
10 hr 19 min
Moon
Waning Gibbous 95% lit
First light (civil dawn)
7:53 AM
Last light (civil dusk)
7:13 PM
Moonrise
7:55 PM
Moonset
11:46 AM

Normal October weather

Climate

Normal October high 60°, low 35°, precipitation 1.52 in for the month. 1991 to 2020 normals at Bison, 0 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

Frequently asked questions

What is the high temperature today in Bison, SD?
The National Weather Service forecast for wednesday calls for a high near 58°F. Slight Chance Rain And Snow Showers then Partly Sunny.
Will it rain in Bison, SD in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Bison, SD today?
Sunrise is about 8:24 AM CDT and sunset is about 6:42 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Bison, SD?
At Bison, the 1991 to 2020 normal high in October is 60°F and the normal low is 35°F.

About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer