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Delmont, SD Weather

Today: Mostly Cloudy then Slight Chance Rain Showers, high 55°F, low 49°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Delmont, SD current weather

43°F

Mostly Cloudy

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

H 55° / L 49°

No recent station report. NWS hourly forecast updated 10/30/2026, 5:03 AM PT

Hourly forecast

NWS, updated 10/30/2026, 5:03 AM PT

  1. Now43°
  2. 9 AM45°
  3. 10 AM47°
  4. 11 AM49°
  5. 12 PM50°
  6. 1 PM52°
  7. 2 PM54°
  8. 3 PM55°
  9. 4 PM55°16%
  10. 5 PM55°18%
  11. 6 PM54°23%
  12. 7 PM53°47%
  13. 8 PM52°42%
  14. 9 PM50°34%
  15. 10 PM50°52%
  16. 11 PM50°30%
  17. 12 AM50°42%Sat
  18. 1 AM51°43%
  19. 2 AM51°
  20. 3 AM50°30%
  21. 4 AM52°22%
  22. 5 AM52°
  23. 6 AM51°
  24. 7 AM52°11%
  25. 8 AM52°
  26. 9 AM53°
  27. 10 AM55°
  28. 11 AM57°
  29. 12 PM58°
  30. 1 PM60°
  31. 2 PM60°
  32. 3 PM61°
  33. 4 PM61°12%
  34. 5 PM61°19%
  35. 6 PM60°14%
  36. 7 PM58°12%
  37. 8 PM57°12%
  38. 9 PM56°12%
  39. 10 PM55°12%
  40. 11 PM55°12%
  41. 12 AM55°12%Sun
  42. 1 AM55°
  43. 1 AM55°
  44. 2 AM54°
  45. 3 AM54°
  46. 4 AM53°
  47. 5 AM53°
  48. 6 AM53°

7-day forecast

Tap a day for details

  • Today10/3052% chance of precipitationLow 49°High 55°

    Today: A slight chance of rain showers after 4pm. Mostly cloudy, with a high near 55. East southeast wind around 10 mph. Chance of precipitation is 20%.

    Tonight: A chance of rain showers before 5am. Cloudy. Low around 49, with temperatures rising to around 52 overnight. East southeast wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Mostly Cloudy then Slight Chance Rain Showers
  • Sat10/3119% chance of precipitationLow 52°High 61°

    Saturday: A slight chance of rain showers after 5pm. Mostly cloudy, with a high near 61. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: Mostly cloudy, with a low around 52. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Mostly Cloudy then Slight Chance Rain Showers
  • Sun11/182% chance of precipitationLow 53°High 62°

    Sunday: Mostly cloudy, with a high near 62. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Sunday Night: Rain showers after midnight. Cloudy, with a low around 53. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Mostly Cloudy
  • Mon11/296% chance of precipitationLow 46°High 61°

    Monday: Rain showers. Cloudy, with a high near 61. Chance of precipitation is 100%.

    Monday Night: Rain showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Rain Showers
  • Tue11/361% chance of precipitationLow 41°High 53°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    Tuesday Night: A slight chance of rain showers. Mostly cloudy, with a low around 41.

    Rain Showers Likely
  • Wed11/419% chance of precipitationLow 37°High 50°

    Wednesday: A slight chance of rain showers before noon. Partly sunny, with a high near 50.

    Wednesday Night: Partly cloudy, with a low around 37.

    Slight Chance Rain Showers then Partly Sunny
  • Thu11/519% chance of precipitationLow 35°High 48°

    Thursday: A slight chance of rain showers. Partly sunny, with a high near 48.

    Thursday Night: Mostly cloudy, with a low around 35.

    Slight Chance Rain Showers

Forecast for 43.264, -98.159 from the NWS FSD office, updated 10/30/2026, 5:03 AM 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. Now43°Mostly Cloudy1%10 mph
  2. 9 AM45°Mostly Cloudy1%10 mph
  3. 10 AM47°Mostly Cloudy1%10 mph
  4. 11 AM49°Mostly Cloudy1%10 mph
  5. 12 PM50°Mostly Cloudy0%10 mph
  6. 1 PM52°Mostly Cloudy1%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Delmont, SD?
The National Weather Service forecast for today calls for a high near 55°F. Mostly Cloudy then Slight Chance Rain Showers.
Will it rain in Delmont, SD in the next 24 hours?
The hourly forecast shows a 52% chance of precipitation around 10/30/2026, 10:00 PM CDT.
What time is sunrise and sunset in Delmont, SD today?
Sunrise is about 8:05 AM CDT and sunset is about 6:26 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Delmont, SD?
At Armour, the 1991 to 2020 normal high in October is 64°F and the normal low is 38°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.53 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

South Dakota hazards

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

  • Severe storm outlook today:General thunderstormsOutlook 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: Could not check wildfire incidents right now.

Drought

By county

Douglas County, week of 10/27/2026

100% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
8:05 AM
Sunset
6:26 PM
Daylight
10 hr 21 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
7:35 AM
Last light (civil dusk)
6:56 PM
Moonrise
10 PM
Moonset
1:29 PM

Normal October weather

Climate

Normal October high 64°, low 38°, precipitation 2.07 in for the month. 1991 to 2020 normals at Armour, 10 mi away.

Other places nearby

Data sources

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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.

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