Observed 3:55 PM MDT at KSPF

Spearfish, SD weather

Sunny and 48°9°.

Forecasts agree

Now 48°9°

Sunny

Wind: 5 mph8 km/h; From the north. Up to 7 mph11 km/h through 4 AM
Dew point: 9°−13°; Dry · up to 17°−8° by 3 AM
UV tomorrow: 1Low; Low all day (peak 1)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

27°15° cooler than this time yesterday (75°24° then, 48°9° now)

Good hours for

Dry until 6 AM tomorrow
Rain tomorrow 6 AM–noon (30%, 0.12 in3 mm)
Low 35°2° tomorrow at 7 AM
Dry break tomorrow noon–6 PM
Rain tomorrow night from 6 PM (80%, 1.1 in29 mm)

This afternoonNear 50°10° · Partly cloudy
TonightDown to 37°3° by 4 AM · Partly cloudy
Tomorrow morningUp to 42°6° by 11 AM · Rain all morning (30%)
Tomorrow afternoonNear 42°6° · rain chance 30% · Cloudy
Tomorrow nightDown to 34°1° by 5 AM · Rain all night (80%)
Monday morningNear 35°2° · Rain all morning (80%) · freezing, low 32°0°
Monday afternoonNear 37°3° · Rain all afternoon (60%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 4p	Sunny	50°10° (likely 46°8° to 50°10°)	48°9°	0%	6 mph10 km/h from N, gusts 7 mph11 km/h	19%	12%	1
Sat 5p	Partly sunny	49°9° (likely 44°7° to 49°9°)	45°7°	0%	7 mph11 km/h from NE, gusts 9 mph14 km/h	20%	61%	0
Sat 6p	Cloudy	45°7° (likely 41°5° to 45°7°)	41°5°	0%	7 mph11 km/h from E, gusts 11 mph18 km/h	23%	73%	0
Sat 7p	Cloudy	44°7° (likely 40°4° to 44°7°)	39°4°	0%	7 mph11 km/h from SE, gusts 12 mph19 km/h	24%	74%	0
Sat 8p	Mostly cloudy	42°6° (likely 39°4° to 42°6°)	38°3°	0%	7 mph11 km/h from SE, gusts 12 mph19 km/h	27%	53%	0
Sat 9p	Mostly cloudy	41°5° (likely 38°3° to 42°6°)	37°3°	0%	6 mph10 km/h from SE, gusts 11 mph18 km/h	30%	52%	0
Sat 10p	Cloudy	40°4° (likely 37°3° to 42°6°)	36°2°	0%	6 mph10 km/h from SE, gusts 9 mph15 km/h	34%	71%	0
Sat 11p	Mostly cloudy	40°4° (likely 36°2° to 41°5°)	37°3°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	34%	63%	0
Sun 12a	Partly cloudy	39°4° (likely 35°2° to 40°4°)	36°2°	5%	5 mph8 km/h from SE, gusts 9 mph15 km/h	37%	51%	0
Sun 1a	Cloudy	38°3° (likely 34°1° to 39°4°)	36°2°	5%	3 mph5 km/h from SE, gusts 9 mph15 km/h	40%	65%	0
Sun 2a	Cloudy	38°3° (likely 34°1° to 39°4°)	36°2°	5%	3 mph5 km/h from SE, gusts 9 mph14 km/h	40%	61%	0
Sun 3a	Partly cloudy	38°3° (likely 33°1° to 38°3°)	36°2°	5%	3 mph5 km/h from SE, gusts 9 mph14 km/h	42%	35%	0
Sun 4a	Mostly cloudy	37°3° (likely 33°1° to 38°3°)	37°3°	5%	2 mph3 km/h from SE, gusts 9 mph15 km/h	44%	52%	0
Sun 5a	Mostly cloudy	37°3° (likely 34°1° to 39°4°)	37°3°	5%	2 mph3 km/h from SE, gusts 8 mph13 km/h	48%	65%	0
Sun 6a	Cloudy	36°2° (likely 34°1° to 39°4°)	36°2°	30%, 0.02 in0.5 mm	2 mph3 km/h from SE, gusts 9 mph15 km/h	52%	79%	0
Sun 7a	Cloudy	35°2° (likely 34°1° to 40°4°)	32°0°	30%, 0.02 in0.5 mm	3 mph5 km/h from E, gusts 8 mph13 km/h	56%	95%	0
Sun 8a	Cloudy	36°2° (likely 36°2° to 41°5°)	33°1°	30%, 0.02 in0.5 mm	3 mph5 km/h from E, gusts 6 mph9 km/h	59%	100%	0
Sun 9a	Cloudy	39°4° (likely 38°3° to 42°6°)	35°2°	30%, 0.02 in0.5 mm	6 mph10 km/h from E, gusts 8 mph13 km/h	59%	100%	0
Sun 10a	Cloudy	41°5° (likely 39°4° to 43°6°)	36°2°	30%, 0.02 in0.5 mm	8 mph13 km/h from E, gusts 11 mph18 km/h	62%	100%	0
Sun 11a	Cloudy	42°6° (likely 40°4° to 44°7°)	36°2°	30%, 0.02 in0.5 mm	10 mph16 km/h from E, gusts 15 mph25 km/h	65%	100%	1
Sun 12p	Cloudy	42°6° (likely 41°5° to 44°7°)	35°2°	30%	13 mph21 km/h from E, gusts 18 mph29 km/h	67%	100%	1
Sun 1p	Cloudy	43°6° (likely 42°6° to 45°7°)	36°2°	30%	14 mph23 km/h from E, gusts 22 mph35 km/h	67%	100%	1
Sun 2p	Cloudy	43°6° (likely 42°6° to 44°7°)	36°2°	30%	15 mph24 km/h from E, gusts 24 mph38 km/h	67%	100%	1
Sun 3p	Cloudy	43°6° (likely 41°5° to 43°6°)	36°2°	30%	15 mph24 km/h from E, gusts 24 mph39 km/h	70%	100%	0
Sun 4p	Cloudy	43°6° (likely 40°4° to 43°6°)	35°2°	30%	16 mph26 km/h from E, gusts 24 mph38 km/h	70%	100%	0
Sun 5p	Cloudy	42°6° (likely 39°4° to 42°6°)	34°1°	30%	16 mph26 km/h from E, gusts 24 mph38 km/h	73%	100%	0
Sun 6p	Cloudy	40°4° (likely 37°3° to 40°4°)	32°0°	80%, 0.01 in0.3 mm	15 mph24 km/h from E, gusts 24 mph38 km/h	76%	100%	0
Sun 7p	Cloudy	38°3° (likely 37°3° to 39°4°)	29°−2°	80%, 0.01 in0.3 mm	15 mph24 km/h from E, gusts 23 mph37 km/h	82%	100%	0
Sun 8p	Rain	38°3° (likely 36°2° to 38°3°)	30°−1°	80%, 0.01 in0.3 mm	14 mph23 km/h from E, gusts 23 mph36 km/h	82%	100%	0
Sun 9p	Drizzle	39°4° (likely 36°2° to 39°4°)	31°−1°	80%, 0.01 in0.3 mm	13 mph21 km/h from E, gusts 22 mph35 km/h	79%	100%	0
Sun 10p	Cloudy	38°3° (likely 35°2° to 38°3°)	31°−1°	80%, 0.01 in0.3 mm	12 mph19 km/h from E, gusts 21 mph34 km/h	82%	100%	0
Sun 11p	Drizzle	37°3° (likely 35°2° to 37°3°)	29°−2°	80%, 0.01 in0.3 mm	12 mph19 km/h from E, gusts 20 mph33 km/h	82%	100%	0
Mon 12a	Cloudy	37°3° (likely 35°2° to 37°3°)	29°−2°	80%, 0.01 in0.3 mm	12 mph19 km/h from E, gusts 20 mph33 km/h	85%	100%	0
Mon 1a	Cloudy	36°2° (likely 34°1° to 37°3°)	29°−2°	80%, 0.01 in0.3 mm	10 mph16 km/h from E, gusts 19 mph31 km/h	85%	100%	0
Mon 2a	Cloudy	36°2° (likely 34°1° to 37°3°)	29°−2°	80%, 0.01 in0.3 mm	10 mph16 km/h from E, gusts 16 mph26 km/h	85%	100%	0
Mon 3a	Cloudy	35°2° (likely 34°1° to 36°2°)	28°−2°	80%, 0.01 in0.3 mm	9 mph14 km/h from E, gusts 17 mph27 km/h	89%	96%	0
Mon 4a	Cloudy	35°2° (likely 33°1° to 36°2°)	28°−2°	80%, 0.01 in0.3 mm	9 mph14 km/h from E, gusts 18 mph29 km/h	85%	99%	0
Mon 5a	Cloudy	34°1° (likely 33°1° to 36°2°)	27°−3°	80%, 0.01 in0.3 mm	9 mph14 km/h from E, gusts 18 mph29 km/h	89%	99%	0
Mon 6a	Cloudy	33°1° (likely 33°1° to 35°2°)	25°−4°	80%, 0.15 in3.8 mm	9 mph14 km/h from E, gusts 20 mph32 km/h	92%	100%	0
Mon 7a	Cloudy	32°0° (likely 32°0° to 35°2°)	24°−4°	80%, 0.15 in3.8 mm	9 mph14 km/h from E, gusts 18 mph30 km/h	96%	100%	0
Mon 8a	Cloudy	33°1° (likely 33°1° to 35°2°)	25°−4°	80%, 0.15 in3.8 mm	9 mph14 km/h from E, gusts 18 mph29 km/h	96%	100%	0
Mon 9a	Cloudy	35°2° (likely 32°0° to 35°2°)	28°−2°	80%, 0.15 in3.8 mm	9 mph14 km/h from E, gusts 19 mph30 km/h	92%	100%	0
Mon 10a	Cloudy	35°2° (likely 33°1° to 35°2°)	27°−3°	80%, 0.15 in3.8 mm	10 mph16 km/h from E, gusts 17 mph28 km/h	96%	99%	0
Mon 11a	Snow	36°2° (likely 32°0° to 36°2°)	29°−2°	80%, 0.15 in3.8 mm	10 mph16 km/h from E, gusts 17 mph27 km/h	96%	100%	0
Mon 12p	Snow	36°2° (likely 32°0° to 37°3°)	29°−2°	60%, 0.03 in0.8 mm	10 mph16 km/h from E, gusts 15 mph24 km/h	96%	100%	0
Mon 1p	Snow	37°3° (likely 31°−1° to 37°3°)	30°−1°	60%, 0.03 in0.8 mm	10 mph16 km/h from E, gusts 12 mph20 km/h	92%	99%	0
Mon 2p	Snow	37°3° (likely 33°1° to 37°3°)	30°−1°	60%, 0.03 in0.8 mm	10 mph16 km/h from E, gusts 11 mph17 km/h	92%	100%	1
Mon 3p	Snow	37°3° (likely 32°0° to 37°3°)	30°−1°	60%, 0.03 in0.8 mm	10 mph16 km/h from E, gusts 11 mph17 km/h	92%	100%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 50°10°, low 34°1°. Typical 54°12° / 32°0°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Partly sunny, 50°10°
  Dry
2. Evening
  6 PM–midnight
  Mostly cloudy, 42°6°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 37°3°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 50. Northeast wind around 7 mph.
Tonight: Mostly cloudy. Low around 34, with temperatures rising to around 37 overnight. Southeast wind 2 to 7 mph, with gusts as high as 16 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
48°9°–50°10°
Low, likely
34°1°–36°2°
Typical high / low
54°12° / 32°0°
Wind
23 mph37 km/h, gusts 39 mph62 km/h
UV peak
4
Tomorrow, Oct 25. Rain. High 44°7°, low 31°−1°. Typical 54°12° / 32°0°. Rain 0.04 in1 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  30% chance · 0.12 in3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 43°6°
  30% chance
3. Evening
  6 PM–midnight
  Rain, 38°3°
  80% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 34°1°
  80% chance · 0.06 in1.5 mm
Official NWS forecast
Day: A chance of rain. Cloudy. High near 44, with temperatures falling to around 42 in the afternoon. East wind 2 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Night: Rain. Cloudy. Low around 31, with temperatures rising to around 34 overnight. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
42°6°–45°7°
Low, likely
31°−1°–37°3°
Typical high / low
54°12° / 32°0°
Wind
21 mph34 km/h, gusts 27 mph44 km/h
UV peak
1
Monday, Oct 26. Snow. High 38°3°, low 29°−2°. Typical 53°12° / 32°0°. Snow 0–2 in0–5 cm, 80% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Snow, 33°1°
  80% chance · 0.9 in23 mm
2. Afternoon
  noon–6 PM
  Snow, 37°3°
  60% chance · 0.13 in3.2 mm
3. Evening
  6 PM–midnight
  Fog, 32°0°
  40% chance
4. Overnight
  midnight–6 AM
  Fog, 30°−1°
  Dry
Official NWS forecast
Day: Rain before 7am, then rain and snow. Cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Night: Mostly cloudy. Low around 29, with temperatures rising to around 32 overnight. Southeast wind 2 to 10 mph, with gusts as high as 18 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
36°2°–38°3°
Low, likely
27°−3°–34°1°
Typical high / low
53°12° / 32°0°
Wind
18 mph29 km/h, gusts 24 mph38 km/h
Tuesday, Oct 27. Mostly sunny. High 55°13°, low 35°2°. Typical 53°12° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 55.
Night: Mostly clear, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–59°15°
Low, likely
26°−3°–35°2°
Typical high / low
53°12° / 32°0°
Wind
22 mph35 km/h, gusts 49 mph80 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 56°13°, low 37°3°. Typical 52°11° / 31°−1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 56.
Night: Mostly clear, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
54°12°–56°13°
Low, likely
35°2°–38°3°
Typical high / low
52°11° / 31°−1°
Wind
16 mph25 km/h, gusts 49 mph78 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 61°16°, low 42°6°. Typical 52°11° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–65°18°
Low, likely
33°1°–42°6°
Typical high / low
52°11° / 31°−1°
Wind
11 mph17 km/h, gusts 34 mph54 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 59°15°, low 41°5°. Typical 52°11° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 59.
Night: Mostly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–66°19°
Low, likely
34°1°–50°10°
Typical high / low
52°11° / 31°−1°
Wind
14 mph23 km/h, gusts 30 mph48 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 50°10°, low 38°3°. Typical 51°11° / 30°−1°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  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
35°2°–64°18°
Low, likely
30°−1°–44°7°
Typical high / low
51°11° / 30°−1°
Wind
15 mph25 km/h, gusts 27 mph44 km/h
UV peak
3
Sunday, Nov 1. Fog. High 49°9°, low 35°2°. Typical 51°11° / 30°−1°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 49°9°
  20% chance
3. Evening
  6 PM–midnight
  Clear, 43°6°
  20% chance · 0.1 in2.4 mm
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  20% chance · 0.05 in1.2 mm
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°–60°16°
Low, likely
28°−2°–40°4°
Typical high / low
51°11° / 30°−1°
Wind
21 mph33 km/h, gusts 37 mph60 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 53°12°, low 38°3°. Typical 51°11° / 30°−1°. Rain 0.16 in4.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  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
46°8°–62°17°
Low, likely
32°0°–41°5°
Typical high / low
51°11° / 30°−1°
Wind
22 mph36 km/h, gusts 45 mph72 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 50°, low 34°.
Tomorrow
33% chance of rain, high 44°, low 31°, cooling off.
Monday
75% chance of snow, high 38°, low 29°, cooling off.
Rest of week
Mostly dry, highs 49–61°.

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

Spearfish Creek at Spearfish

2.3 mi

Below flood stage

Level: 4.8 ft
Flow: 32 cfs

Reading from Sat 3 PM · NWS gauge page

Spearfish Creek below Spearfish

6.6 mi

Below flood stage

Level: 3306 ft

Reading from Sat 3:15 PM · NWS gauge page

Whitewood Creek at Deadwood

8.8 mi

Below flood stage

Level: 4449 ft

Reading from Sat 3:15 PM · NWS gauge page

Whitewood Creek at Deadwood

9.0 mi

Below flood stage

Level: 3.4 ft

Reading from Sat 3 PM · 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 52Typical 160

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 46
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 20 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 9°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?

SPEARFISH · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 2°1° warmer than normal (daily mean temperature).

−1°SunOct 18
−4°−2°MonOct 19
+12°+6°TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 34 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 44 min less
Golden hour: 5:15–6:14 PM; Morning 7:03–8:03 AM
Blue hour: 6:14–6:25 PM; Morning 6:52–7:03 AM; first light 6:52 AM

Stars tonight? Poor

Clouds most of the night (about 61% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:36 AM · rises 4:55 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Spearfish. The highest point on the skyline is about 7,100 ft, 11 mi away.Skyline from USGS elevation data, heights drawn up to 4.5× taller. Sky, sun and moon as they are now.

Spearfish, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Spearfish Creek at Spearfish

Spearfish Creek below Spearfish

Whitewood Creek at Deadwood

Whitewood Creek at Deadwood

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon