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1 active weather alert

  • Wind Advisory

    Ends in 12 min

    When
    Until 9:00 AM
    Where
    Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Rapid City; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Southern Jackson; Southern Perkins

    Issued for this forecast zone · National Weather Service Rapid City SD

    Full alert text

    Winds will continue to diminish across the western South Dakota plains through the rest of the morning.

    Areas: Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Rapid City; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Southern Jackson; Southern Perkins

    See it on weather.gov (opens in a new tab)

Observed 7:55 AM MDT at KRCA

Summerset, SD weather

Windy and 39°4°.

Today: low 36°2° (likely 36°2° to 39°4°), high 51°11° (likely 50°10° to 53°12°).

Mostly agree

Now 39°4°

Windy · Feels like 29°−2°

Feels like
29°−2°
Wind chill from 22 mph35 km/h wind · air 39°4°
Wind
22 mph35 km/h
From the north-northwest. Easing to 10 mph16 km/h by 2 PM
Dew point
28°−2°
Dry · down to 17°−8° by 12 PM
UV index
1Low
Moderate 11 AM–4 PM · peak 4
Air quality
28Good
Main pollutant: Ozone

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

20°11° cooler than this time yesterday (59°15° then, 39°4° now)

Good hours for
  • Gusts to 33 mph53 km/h until 11 AM
  • High 50°10° today at 2 PM
  • Rain tomorrow from noon (90%, 0.64 in16 mm)
  1. This morningUp to 44°7° by 11 AM · gusts to 33 mph53 km/h · Clear
  2. This afternoonUp to 50°10° by 2 PM · Clear
  3. TonightDown to 38°3° by 5 AM · Mostly cloudy
  4. Tomorrow morningNear 39°4° · rain chance 20% · Cloudy
  5. Tomorrow afternoonNear 40°4° · Rain all afternoon (70%)
  6. Tomorrow nightDown to 34°1° by 5 AM · Rain all night (90%)
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 8aMostly sunny37°3° (likely 37°3° to 40°4°)26°−3°0%22 mph35 km/h from NW, gusts 33 mph53 km/h64%18%0
Sat 9aSunny39°4° (likely 39°4° to 42°6°)29°−2°0%21 mph34 km/h from NW, gusts 29 mph47 km/h57%13%1
Sat 10aSunny42°6° (likely 41°5° to 44°7°)33°1°0%18 mph29 km/h from NW, gusts 26 mph41 km/h45%2%2
Sat 11aSunny44°7° (likely 44°7° to 47°8°)37°3°0%16 mph26 km/h from NW, gusts 22 mph36 km/h37%0%3
Sat 12pSunny46°8° (likely 46°8° to 49°9°)40°4°0%14 mph23 km/h from N, gusts 19 mph31 km/h31%0%4
Sat 1pSunny48°9° (likely 48°9° to 51°11°)43°6°0%13 mph21 km/h from N, gusts 16 mph25 km/h26%0%4
Sat 2pSunny50°10° (likely 50°10° to 52°11°)46°8°0%10 mph16 km/h from N, gusts 14 mph23 km/h23%1%4
Sat 3pSunny50°10° (likely 50°10° to 52°11°)46°8°0%9 mph14 km/h from N, gusts 14 mph22 km/h22%15%3
Sat 4pSunny49°9° (likely 49°9° to 51°11°)46°8°0%8 mph13 km/h from N, gusts 11 mph17 km/h23%28%2
Sat 5pPartly sunny47°8° (likely 47°8° to 49°9°)44°7°0%6 mph10 km/h from N, gusts 7 mph12 km/h25%66%1
Sat 6pCloudy43°6° (likely 43°6° to 47°8°)41°5°0%3 mph5 km/h from NE, gusts 7 mph11 km/h32%78%0
Sat 7pCloudy42°6° (likely 42°6° to 44°7°)42°6°0%2 mph3 km/h from N, gusts 7 mph12 km/h33%80%0
Sat 8pMostly cloudy41°5° (likely 41°5° to 43°6°)39°4°0%3 mph5 km/h from W, gusts 8 mph14 km/h34%70%0
Sat 9pClear41°5° (likely 41°5° to 42°6°)38°3°0%5 mph8 km/h from SW, gusts 9 mph14 km/h36%45%0
Sat 10pClear41°5° (likely 41°5° to 42°6°)38°3°0%5 mph8 km/h from SW, gusts 9 mph14 km/h36%38%0
Sat 11pMostly cloudy41°5° (likely 40°4° to 41°5°)38°3°0%5 mph8 km/h from S, gusts 9 mph14 km/h36%44%0
Sun 12aPartly cloudy40°4° (likely 39°4° to 41°5°)37°3°5%5 mph8 km/h from S, gusts 8 mph13 km/h39%44%0
Sun 1aClear39°4° (likely 38°3° to 41°5°)36°2°5%5 mph8 km/h from S, gusts 8 mph13 km/h40%45%0
Sun 2aCloudy40°4° (likely 37°3° to 41°5°)37°3°5%5 mph8 km/h from S, gusts 8 mph13 km/h41%79%0
Sun 3aCloudy39°4° (likely 37°3° to 42°6°)36°2°5%5 mph8 km/h from S, gusts 8 mph14 km/h44%82%0
Sun 4aCloudy39°4° (likely 38°3° to 42°6°)36°2°5%5 mph8 km/h from S, gusts 9 mph14 km/h46%86%0
Sun 5aCloudy38°3° (likely 38°3° to 42°6°)34°1°5%5 mph8 km/h from S, gusts 11 mph18 km/h50%88%0
Sun 6aCloudy37°3° (likely 37°3° to 42°6°)33°1°20%5 mph8 km/h from S, gusts 13 mph21 km/h54%90%0
Sun 7aCloudy36°2° (likely 36°2° to 42°6°)32°0°20%5 mph8 km/h from S, gusts 13 mph20 km/h59%93%0
Sun 8aCloudy37°3° (likely 37°3° to 42°6°)32°0°20%6 mph10 km/h from SE, gusts 14 mph22 km/h64%97%0
Sun 9aCloudy39°4° (likely 39°4° to 43°6°)35°2°20%6 mph10 km/h from SE, gusts 13 mph21 km/h67%100%0
Sun 10aCloudy40°4° (likely 38°3° to 43°6°)36°2°20%6 mph10 km/h from SE, gusts 11 mph18 km/h73%100%1
Sun 11aCloudy40°4° (likely 38°3° to 43°6°)35°2°20%7 mph11 km/h from SE, gusts 11 mph18 km/h79%100%1
Sun 12pRain40°4° (likely 37°3° to 43°6°)35°2°70%, 0.07 in1.8 mm7 mph11 km/h from SE, gusts 13 mph20 km/h79%100%1
Sun 1pCloudy41°5° (likely 37°3° to 43°6°)36°2°70%, 0.07 in1.8 mm7 mph11 km/h from E, gusts 12 mph20 km/h76%100%0
Sun 2pCloudy42°6° (likely 37°3° to 43°6°)38°3°70%, 0.07 in1.8 mm7 mph11 km/h from E, gusts 11 mph17 km/h73%100%1
Sun 3pCloudy42°6° (likely 36°2° to 42°6°)38°3°70%, 0.07 in1.8 mm7 mph11 km/h from E, gusts 10 mph16 km/h73%100%2
Sun 4pDrizzle42°6° (likely 36°2° to 42°6°)38°3°70%, 0.07 in1.8 mm7 mph11 km/h from E, gusts 10 mph16 km/h73%100%0
Sun 5pDrizzle40°4° (likely 36°2° to 40°4°)36°2°70%, 0.07 in1.8 mm6 mph10 km/h from E, gusts 10 mph16 km/h79%100%0
Sun 6pSnow38°3° (likely 35°2° to 39°4°)34°1°90%, 0.01 in0.3 mm6 mph10 km/h from E, gusts 10 mph16 km/h89%100%0
Sun 7pSnow37°3° (likely 35°2° to 38°3°)32°0°90%, 0.01 in0.3 mm6 mph10 km/h from E, gusts 10 mph16 km/h92%100%0
Sun 8pDrizzle36°2° (likely 35°2° to 38°3°)31°−1°90%, 0.01 in0.3 mm6 mph10 km/h from E, gusts 11 mph17 km/h96%100%0
Sun 9pDrizzle36°2° (likely 35°2° to 37°3°)31°−1°90%, 0.01 in0.3 mm6 mph10 km/h from E, gusts 10 mph17 km/h100%100%0
Sun 10pDrizzle36°2° (likely 35°2° to 37°3°)31°−1°90%, 0.01 in0.3 mm6 mph10 km/h from E, gusts 10 mph16 km/h100%100%0
Sun 11pSnow37°3° (likely 35°2° to 37°3°)33°1°90%, 0.01 in0.3 mm5 mph8 km/h from E, gusts 10 mph15 km/h92%100%0
Mon 12aSnow37°3° (likely 34°1° to 37°3°)33°1°70%, 0.01 in0.3 mm5 mph8 km/h from E, gusts 9 mph15 km/h92%100%0
Mon 1aSnow37°3° (likely 34°1° to 37°3°)34°1°70%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 8 mph14 km/h92%100%0
Mon 2aSnow36°2° (likely 33°1° to 36°2°)33°1°70%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 8 mph14 km/h96%100%0
Mon 3aSnow36°2° (likely 33°1° to 36°2°)33°1°70%, 0.01 in0.3 mm3 mph5 km/h from E, gusts 7 mph12 km/h96%99%0
Mon 4aSnow35°2° (likely 33°1° to 35°2°)35°2°70%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 8 mph13 km/h96%100%0
Mon 5aSnow34°1° (likely 33°1° to 35°2°)34°1°70%, 0.01 in0.3 mm2 mph3 km/h from E, gusts 7 mph11 km/h96%100%0
Mon 6aSnow34°1° (likely 33°1° to 35°2°)31°−1°60%, 0.05 in1.3 mm3 mph5 km/h from E, gusts 7 mph10 km/h96%98%0
Mon 7aSnow34°1° (likely 33°1° to 35°2°)31°−1°60%, 0.05 in1.3 mm3 mph5 km/h from E, gusts 5 mph8 km/h96%99%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 51°11°, low 36°2°. Typical 55°13° / 35°2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 50°10°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 41°5°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 38°3°

      Dry

    Official NWS forecast

    Today: Sunny. High near 51, with temperatures falling to around 47 in the afternoon. North wind 6 to 22 mph, with gusts as high as 40 mph.

    Tonight: Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. Southwest wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    50°10°–53°12°
    Low, likely
    36°2°–39°4°
    Typical high / low
    55°13° / 35°2°
    Wind
    28 mph45 km/h, gusts 48 mph77 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Drizzle. High 43°6°, low 33°1°. Typical 55°13° / 34°1°. Rain 0.09 in2.3 mm, 70% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 37°3°

      20% chance

    2. Afternoon

      noon–6 PM

      Rain, 42°6°

      70% chance · 0.42 in11 mm

    3. Evening

      6 PM–midnight

      Snow, 36°2°

      90% chance · 0.06 in1.5 mm

    4. Overnight

      midnight–6 AM

      Snow, 34°1°

      70% chance · 0.06 in1.5 mm

    Official NWS forecast

    Day: A slight chance of snow before 9am, then rain likely. Cloudy. High near 43, with temperatures falling to around 40 in the afternoon. Southeast wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Night: Rain and snow. Cloudy, with a low around 33. East wind 2 to 6 mph. Chance of precipitation is 90%.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    41°5°–44°7°
    Low, likely
    33°1°–36°2°
    Typical high / low
    55°13° / 34°1°
    Wind
    10 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    2
  3. Monday, Oct 26. Snow. High 39°4°, low 33°1°. Typical 55°13° / 34°1°. Snow 0–3 in0–8 cm, 60% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Heavy snow, 34°1°

      90% chance · 0.8 in2.1 cm

    2. Afternoon

      noon–6 PM

      Heavy snow, 34°1°

      80% chance · 1.1 in2.7 cm

    3. Evening

      6 PM–midnight

      Snow, 31°−1°

      60% chance · 0.1 in0.3 cm

    4. Overnight

      midnight–6 AM

      Cloudy, 30°−1°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain and snow likely. Cloudy. High near 39, with temperatures falling to around 37 in the afternoon. East wind around 5 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 33. Southeast wind around 7 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    34°1°–39°4°
    Low, likely
    30°−1°–33°1°
    Typical high / low
    55°13° / 34°1°
    Wind
    9 mph15 km/h
    UV peak
    1
  4. Tuesday, Oct 27. Partly sunny. High 55°13°, low 39°4°. Typical 54°12° / 34°1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 31°0°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 42°6°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 35°2°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 55.

    Night: Partly cloudy, with a low around 39.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–62°17°
    Low, likely
    27°−3°–39°4°
    Typical high / low
    54°12° / 34°1°
    Wind
    18 mph28 km/h, gusts 39 mph62 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Partly sunny. High 57°14°, low 36°2°. Typical 54°12° / 33°1°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 44°6°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 38°3°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 57.

    Night: Partly cloudy, with a low around 36.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    55°13°–59°15°
    Low, likely
    33°1°–38°3°
    Typical high / low
    54°12° / 33°1°
    Wind
    9 mph14 km/h, gusts 40 mph65 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 57°14°, low 39°4°. Typical 54°12° / 33°1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 47°8°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 43°6°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 57.

    Night: Partly cloudy, with a low around 39.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–64°18°
    Low, likely
    34°1°–41°5°
    Typical high / low
    54°12° / 33°1°
    Wind
    14 mph22 km/h, gusts 35 mph56 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly cloudy. High 56°13°, low 40°4°. Typical 53°12° / 32°0°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 56.

    Night: A slight chance of rain. Partly cloudy, with a low around 40.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    51°11°–64°18°
    Low, likely
    38°3°–46°8°
    Typical high / low
    53°12° / 32°0°
    Wind
    19 mph31 km/h, gusts 34 mph55 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 53°12°, low 40°4°. Typical 53°12° / 32°0°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 38°4°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    44°7°–63°17°
    Low, likely
    36°2°–44°7°
    Typical high / low
    53°12° / 32°0°
    Wind
    18 mph28 km/h, gusts 26 mph41 km/h
    UV peak
    2
  9. Sunday, Nov 1. Drizzle. High 48°9°, low 37°3°. Typical 53°12° / 32°0°. Rain 0.08 in2 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 48°9°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 41°5°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 38°3°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    43°6°–54°12°
    Low, likely
    31°−1°–44°7°
    Typical high / low
    53°12° / 32°0°
    Wind
    22 mph36 km/h, gusts 39 mph62 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 52°11°, low 38°3°. Typical 52°11° / 31°−1°. Rain 0.14 in3.6 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 51°10°

      20% chance · 0.08 in2.1 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 43°6°

      20% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    44°7°–61°16°
    Low, likely
    36°2°–41°5°
    Typical high / low
    52°11° / 31°−1°
    Wind
    11 mph17 km/h, gusts 25 mph40 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 51°, low 36°.

  2. Tomorrow

    70% chance of rain, high 43°, low 33°, cooling off.

  3. Monday

    63% chance of snow, high 39°, low 33°, cooling off.

  4. Rest of week

    Mostly dry, highs 48–57°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (UNR) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Stagebarn Canyon Creek near Summerset

2.4 mi
Level
1.4 ft

Reading from Sat 8:10 AM · NWS gauge page

Boxelder Creek near Nemo

6.5 mi
Below flood stage
Level
1.1 ft

Reading from Sat 7:30 AM · NWS gauge page

South Canyon near Rapid City

7.0 mi
Below flood stage
Level
3.6 ft
Flow
under 1 cfs

Reading from Sat 7:45 AM · NWS gauge page

Wild Irishman Gulch near Rapid City

7.8 mi
Below flood stage
Level
3.5 ft

Reading from Sat 7:50 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 67% less heating than a typical week.

This week 49Typical 148

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
43
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 14 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 28°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Rapid City WFO · official normals 1991–2020 · records 1888–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Normal high / low
55°13° / 35°2°
Forecast high / low
51°11° / 36°2°
Record high
81°27° in 1897
Record low
14°−10° in 2020

Last 7 days vs normal

On average 13°7° warmer than normal (daily mean temperature).

  1. +10°+6°SunOct 18
  2. +5°+3°MonOct 19
  3. +11°+6°TueOct 20
  4. +14°+8°WedOct 21
  5. +19°+11°ThuOct 22
  6. +18°+10°FriOct 23
  7. —SatOct 24

Summerset weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:19 AM, sunset 5:54 PM.

Daylight
10 h 35 min
Losing 2 min 49 s a day; shortest Dec 21, 1 h 43 min less
Golden hour
5:14–6:12 PM
Morning 7:01–8:00 AM
Blue hour
6:12–6:24 PM
Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Poor

Clouds most of the night (about 67% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:34 AM · rises 4:54 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Summerset. The highest point on the skyline is about 5,200 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.