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Custer, SD 57730 Weather
Today: Sunny, high 55°F, low 38°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).
Custer, SD 57730 current weather
44°F
Mostly Cloudy
Forecast for this hour. No recent report from a nearby station.
H 55° / L 38°
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/28/2026, 2:36 AM PT
Hourly forecast
NWS, updated 10/28/2026, 2:36 AM PT
7-day forecast
Tap a day for details
Today10/28Low 38°High 55°
Wednesday: Sunny. High near 55, with temperatures falling to around 48 in the afternoon. West wind 3 to 9 mph, with gusts as high as 21 mph.
Overnight: Mostly cloudy. Low around 38, with temperatures rising to around 45 overnight. West wind around 7 mph.
SunnyThu10/29Low 38°High 58°
Thursday: Sunny. High near 58, with temperatures falling to around 52 in the afternoon. West wind 2 to 7 mph, with gusts as high as 20 mph.
Thursday Night: Partly cloudy, with a low around 38. North wind around 5 mph.
SunnyFri10/3016% chance of precipitationLow 42°High 53°
Friday: Mostly sunny. High near 53, with temperatures falling to around 47 in the afternoon. East wind 3 to 8 mph, with gusts as high as 21 mph.
Friday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 42.
Mostly SunnySat10/3112% chance of precipitationLow 42°High 59°
Saturday: Partly sunny, with a high near 59.
Saturday Night: Partly cloudy, with a low around 42.
Partly SunnySun11/173% chance of precipitationLow 39°High 58°
Sunday: Rain likely after 11am. Partly sunny, with a high near 58.
Sunday Night: Rain likely. Cloudy, with a low around 39.
Light Rain LikelyMon11/256% chance of precipitationLow 35°High 48°
Monday: Rain likely. Mostly cloudy, with a high near 48.
Monday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Light Rain LikelyTue11/326% chance of precipitationLow High 50°
Tuesday: A chance of rain and snow. Partly sunny, with a high near 50.
Chance Rain And Snow
Forecast for 43.703, -103.588 from the NWS UNR office, updated 10/28/2026, 2:36 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
- Now44°Mostly Cloudy3%6 mph
- 5 AM45°Mostly Cloudy3%7 mph
- 6 AM44°Mostly Cloudy4%8 mph
- 7 AM43°Mostly Cloudy4%9 mph
- 8 AM44°Partly Sunny2%9 mph
- 9 AM45°Sunny2%9 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
NWS hourly forecast updated 10/28/2026, 2:36 AM PT
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
Nearby hazards
South Dakota hazardsSevere 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 countyCuster County, week of 10/20/2026
100% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:25 AM
- Sunset
- 5:50 PM
- Daylight
- 10 hr 25 min
- Moon
- Waning Gibbous 94% lit
- First light (civil dawn)
- 6:55 AM
- Last light (civil dusk)
- 6:20 PM
- Moonrise
- 7:08 PM
- Moonset
- 10:42 AM
Normal October weather
ClimateNormal October high 54°, low 32°, precipitation 1.29 in for the month. 1991 to 2020 normals at Custer CO AP, 2 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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Frequently asked questions
- What is the high temperature today in Custer, SD 57730?
- The National Weather Service forecast for wednesday calls for a high near 55°F. Sunny.
- Will it rain in Custer, SD 57730 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 Custer, SD 57730 today?
- Sunrise is about 7:25 AM MDT and sunset is about 5:50 PM MDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Custer, SD 57730?
- At Custer CO AP, the 1991 to 2020 normal high in October is 54°F and the normal low is 32°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.
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