Observed 5:55 AM MDT at KW43

Sundance, WY weather

Mostly cloudy and 34°1°.

Forecasts agree

Now 34°1°

Mostly cloudy · Feels like 25°−4°

Feels like: 25°−4°; Wind chill from 13 mph21 km/h wind · air 34°1°
Wind: 13 mph21 km/hgusts 20 mph32 km/h; From the west-northwest. 58–13 mph21 km/h through 6 PM
Dew point: 32°0°; Dry · down to 23°−5° by 10 AM
Humidity: 93%; Air 34°1°, dew point 32°0° · frost likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

22°12° cooler than this time yesterday (55°13° then, 34°1° now)

Good hours for

Below freezing until 10 AM (low 30°−1°)
High 44°7° today at 2 PM
Rain tomorrow noon–midnight (60%, 0.18 in4.6 mm)

This morningUp to 37°3° by 11 AM · freezing, low 30°−1° · Partly cloudy
This afternoonUp to 44°7° by 2 PM · Clear
TonightDown to 34°1° by 1 AM · Mostly cloudy
Tomorrow morningUp to 39°4° by 11 AM · rain chance 10% · Cloudy
Tomorrow afternoonNear 39°4° · Rain all afternoon (40%)
Tomorrow nightDown to 32°0° by 5 AM · Rain 6 PM–midnight (60%) · freezing, low 32°0°

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 6a	Cloudy	30°−1° (likely 30°−1° to 35°2°)	25°−4°	0%	5 mph8 km/h from W, gusts 20 mph32 km/h	96%	99%	0
Sat 7a	Cloudy	30°−1° (likely 30°−1° to 34°1°)	21°−6°	0%	9 mph14 km/h from NW, gusts 19 mph31 km/h	88%	72%	0
Sat 8a	Sunny	30°−1° (likely 30°−1° to 33°1°)	20°−7°	0%	12 mph19 km/h from NW, gusts 18 mph29 km/h	85%	25%	0
Sat 9a	Sunny	31°−1° (likely 31°−1° to 35°2°)	22°−6°	0%	10 mph16 km/h from NW, gusts 15 mph24 km/h	77%	14%	1
Sat 10a	Sunny	34°1° (likely 34°1° to 38°3°)	27°−3°	0%	8 mph13 km/h from NW, gusts 14 mph22 km/h	63%	8%	2
Sat 11a	Sunny	37°3° (likely 37°3° to 41°5°)	31°−1°	0%	7 mph11 km/h from NW, gusts 10 mph16 km/h	50%	0%	3
Sat 12p	Sunny	39°4° (likely 39°4° to 44°7°)	34°1°	0%	6 mph10 km/h from N, gusts 9 mph14 km/h	39%	0%	4
Sat 1p	Sunny	41°5° (likely 41°5° to 46°8°)	37°3°	0%	6 mph10 km/h from N, gusts 8 mph13 km/h	30%	1%	4
Sat 2p	Sunny	44°7° (likely 44°7° to 48°9°)	41°5°	0%	6 mph10 km/h from N, gusts 8 mph13 km/h	24%	4%	4
Sat 3p	Sunny	44°7° (likely 44°7° to 48°9°)	41°5°	0%	6 mph10 km/h from NE, gusts 8 mph14 km/h	23%	4%	3
Sat 4p	Partly sunny	43°6° (likely 43°6° to 48°9°)	39°4°	0%	6 mph10 km/h from NE, gusts 9 mph15 km/h	24%	15%	2
Sat 5p	Partly sunny	41°5° (likely 41°5° to 46°8°)	38°3°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	26%	52%	1
Sat 6p	Cloudy	38°3° (likely 38°3° to 43°6°)	34°1°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	32%	66%	0
Sat 7p	Mostly cloudy	36°2° (likely 36°2° to 40°4°)	32°0°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	36%	42%	0
Sat 8p	Cloudy	35°2° (likely 35°2° to 38°3°)	31°−1°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	41%	76%	0
Sat 9p	Mostly cloudy	35°2° (likely 35°2° to 39°4°)	31°−1°	0%	5 mph8 km/h from NE, gusts 3 mph5 km/h	47%	61%	0
Sat 10p	Mostly cloudy	36°2° (likely 35°2° to 39°4°)	33°1°	0%	3 mph5 km/h from N, gusts 5 mph9 km/h	50%	56%	0
Sat 11p	Cloudy	36°2° (likely 35°2° to 38°3°)	33°1°	0%	3 mph5 km/h from SW, gusts 5 mph9 km/h	47%	84%	0
Sun 12a	Cloudy	35°2° (likely 34°1° to 38°3°)	32°0°	0%	3 mph5 km/h from SW, gusts 5 mph8 km/h	47%	84%	0
Sun 1a	Cloudy	34°1° (likely 34°1° to 38°3°)	31°−1°	0%	3 mph5 km/h from SW, gusts 5 mph8 km/h	47%	75%	0
Sun 2a	Mostly cloudy	34°1° (likely 34°1° to 38°3°)	31°−1°	0%	3 mph5 km/h from SW, gusts 5 mph8 km/h	47%	56%	0
Sun 3a	Clear	35°2° (likely 34°1° to 38°3°)	35°2°	0%	2 mph3 km/h from SW, gusts 3 mph5 km/h	45%	45%	0
Sun 4a	Cloudy	35°2° (likely 34°1° to 38°3°)	35°2°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	45%	69%	0
Sun 5a	Mostly cloudy	35°2° (likely 34°1° to 38°3°)	35°2°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	45%	81%	0
Sun 6a	Mostly cloudy	34°1° (likely 34°1° to 39°4°)	34°1°	10%	1 mph2 km/h from N, gusts 7 mph11 km/h	49%	88%	0
Sun 7a	Mostly cloudy	34°1° (likely 34°1° to 40°4°)	34°1°	10%	1 mph2 km/h from E, gusts 7 mph11 km/h	51%	92%	0
Sun 8a	Cloudy	35°2° (likely 35°2° to 41°5°)	35°2°	10%	2 mph3 km/h from NE, gusts 7 mph11 km/h	54%	97%	0
Sun 9a	Cloudy	37°3° (likely 37°3° to 41°5°)	37°3°	10%	2 mph3 km/h from NE, gusts 6 mph9 km/h	54%	100%	0
Sun 10a	Cloudy	38°3° (likely 37°3° to 42°6°)	38°3°	10%	2 mph3 km/h from NE, gusts 5 mph9 km/h	57%	100%	1
Sun 11a	Cloudy	39°4° (likely 37°3° to 42°6°)	37°3°	10%	3 mph5 km/h from NE, gusts 4 mph7 km/h	57%	100%	1
Sun 12p	Cloudy	39°4° (likely 38°3° to 42°6°)	36°2°	40%, 0.02 in0.5 mm	5 mph8 km/h from NE, gusts 7 mph11 km/h	59%	100%	1
Sun 1p	Cloudy	40°4° (likely 38°3° to 42°6°)	37°3°	40%, 0.02 in0.5 mm	5 mph8 km/h from NE, gusts 8 mph13 km/h	59%	100%	2
Sun 2p	Cloudy	41°5° (likely 37°3° to 41°5°)	37°3°	40%, 0.02 in0.5 mm	6 mph10 km/h from NE, gusts 11 mph17 km/h	59%	100%	1
Sun 3p	Cloudy	41°5° (likely 37°3° to 41°5°)	37°3°	40%, 0.02 in0.5 mm	6 mph10 km/h from NE, gusts 11 mph17 km/h	62%	100%	0
Sun 4p	Cloudy	40°4° (likely 37°3° to 40°4°)	36°2°	40%, 0.02 in0.5 mm	6 mph10 km/h from NE, gusts 11 mph18 km/h	67%	100%	0
Sun 5p	Cloudy	38°3° (likely 36°2° to 39°4°)	34°1°	40%, 0.02 in0.5 mm	6 mph10 km/h from NE, gusts 11 mph18 km/h	73%	100%	0
Sun 6p	Cloudy	36°2° (likely 35°2° to 38°3°)	31°−1°	60%, 0.01 in0.3 mm	6 mph10 km/h from NE, gusts 10 mph16 km/h	82%	100%	0
Sun 7p	Cloudy	34°1° (likely 34°1° to 37°3°)	29°−2°	60%, 0.01 in0.3 mm	6 mph10 km/h from NE, gusts 9 mph14 km/h	89%	100%	0
Sun 8p	Cloudy	34°1° (likely 34°1° to 36°2°)	30°−1°	60%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 8 mph12 km/h	89%	100%	0
Sun 9p	Cloudy	34°1° (likely 34°1° to 36°2°)	30°−1°	60%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 7 mph11 km/h	92%	100%	0
Sun 10p	Cloudy	34°1° (likely 33°1° to 36°2°)	31°−1°	60%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 6 mph10 km/h	92%	100%	0
Sun 11p	Cloudy	33°1° (likely 33°1° to 36°2°)	30°−1°	60%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 6 mph9 km/h	96%	99%	0
Mon 12a	Snow	33°1° (likely 33°1° to 36°2°)	30°−1°	20%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 6 mph10 km/h	96%	98%	0
Mon 1a	Snow	33°1° (likely 32°0° to 37°3°)	30°−1°	20%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 6 mph10 km/h	96%	97%	0
Mon 2a	Snow	33°1° (likely 32°0° to 37°3°)	30°−1°	20%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 7 mph11 km/h	96%	100%	0
Mon 3a	Snow	33°1° (likely 32°0° to 36°2°)	30°−1°	20%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 7 mph11 km/h	96%	100%	0
Mon 4a	Snow	33°1° (likely 32°0° to 36°2°)	30°−1°	20%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 7 mph11 km/h	96%	99%	0
Mon 5a	Snow	32°0° (likely 31°−1° to 36°2°)	29°−2°	20%, 0.01 in0.3 mm	3 mph5 km/h from E, gusts 7 mph11 km/h	100%	100%	0

Days ahead

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

Today, Oct 24. Cloudy. High 45°7°, low 33°1°. Typical 46°8° / 30°−1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 45, with temperatures falling to around 41 in the afternoon. Wind chill values as low as 20. North wind 5 to 12 mph, with gusts as high as 21 mph.
Tonight: Mostly cloudy. Low around 33, with temperatures rising to around 35 overnight. North wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
45°7°–48°9°
Low, likely
31°−1°–33°1°
Typical high / low
46°8° / 30°−1°
Wind
19 mph30 km/h, gusts 35 mph56 km/h
UV peak
4
Tomorrow, Oct 25. Snow. High 42°6°, low 32°0°. Typical 46°8° / 30°−1°. Snow 0.06 in1.5 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 41°5°
  40% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Cloudy, 34°1°
  60% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Snow, 32°0°
  Dry
Official NWS forecast
Day: A chance of rain and snow between noon and 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain and snow. Mostly cloudy. High near 42, with temperatures falling to around 38 in the afternoon. Northeast wind 1 to 6 mph. Chance of precipitation is 40%.
Night: Rain and snow likely. Cloudy, with a low around 32. Northeast wind around 6 mph. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
38°3°–42°6°
Low, likely
32°0°–35°2°
Typical high / low
46°8° / 30°−1°
Wind
12 mph20 km/h
UV peak
2
Monday, Oct 26. Snow. High 40°4°, low 31°−1°. Typical 46°8° / 29°−2°. Snow 0–3 in0–8 cm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 33°0°
  50% chance · 0.4 in1 cm
2. Afternoon
  noon–6 PM
  Drizzle, 34°1°
  50% chance · 0.4 in1.1 cm
3. Evening
  6 PM–midnight
  Fog, 32°0°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 32°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before 9am, then a chance of rain and snow. Mostly cloudy. High near 40, with temperatures falling to around 37 in the afternoon. East wind around 5 mph. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 31. Southeast wind 3 to 8 mph, with gusts as high as 16 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
34°1°–40°4°
Low, likely
28°−2°–34°1°
Typical high / low
46°8° / 29°−2°
Wind
11 mph17 km/h
Tuesday, Oct 27. Rain. High 52°11°, low 32°0°. Typical 46°8° / 29°−2°. Rain 0.09 in2.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 32°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after noon. Mostly sunny, with a high near 52.
Night: A chance of rain. Partly cloudy, with a low around 32.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–57°14°
Low, likely
26°−3°–35°2°
Typical high / low
46°8° / 29°−2°
Wind
35 mph56 km/h, gusts 49 mph79 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 50°10°, low 32°0°. Typical 45°7° / 29°−2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  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.
Official NWS forecast
Day: Mostly sunny, with a high near 50.
Night: Partly cloudy, with a low around 32.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
50°10°–53°12°
Low, likely
30°−1°–35°2°
Typical high / low
45°7° / 29°−2°
Wind
16 mph26 km/h, gusts 40 mph64 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 53°12°, low 35°2°. Typical 45°7° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 53.
Night: Partly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–62°17°
Low, likely
35°2°–40°4°
Typical high / low
45°7° / 28°−2°
Wind
17 mph27 km/h, gusts 26 mph41 km/h
UV peak
3
Friday, Oct 30. Partly sunny. High 54°12°, low 36°2°. Typical 45°7° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 54.
Night: A slight chance of rain and snow after midnight. Partly cloudy, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–62°17°
Low, likely
36°2°–48°9°
Typical high / low
45°7° / 28°−2°
Wind
19 mph31 km/h, gusts 34 mph54 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 47°8°, low 35°2°. Typical 44°7° / 28°−2°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 42°5°
  20% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 47°8°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 32°0°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–51°11°
Low, likely
29°−2°–39°4°
Typical high / low
44°7° / 28°−2°
Wind
12 mph19 km/h, gusts 30 mph49 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 44°7°, low 30°−1°. Typical 44°7° / 28°−2°. Rain 0.13 in3.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 34°1°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°−1°
  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
39°4°–53°12°
Low, likely
25°−4°–37°3°
Typical high / low
44°7° / 28°−2°
Wind
15 mph24 km/h, gusts 25 mph41 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 45°7°, low 32°0°. Typical 44°7° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°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
40°4°–51°11°
Low, likely
26°−3°–36°2°
Typical high / low
44°7° / 27°−3°
Wind
11 mph18 km/h, gusts 26 mph41 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 45°, low 33°.
Tomorrow
44% chance of snow, high 42°, low 32°, cooling off.
Monday
40% chance of snow, high 40°, low 31°.
Rest of week
Mostly dry, highs 44–54°.

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

Sand Creek near Beulah

16 mi

Below flood stage

Level: 1.9 ft
Flow: 29 cfs

Reading from Sat 5:15 AM · NWS gauge page

Redwater Creek (WY) at Wyoming-South Dakota State Line

19 mi

Below flood stage

Level: 3.0 ft

Reading from Sat 5 AM · NWS gauge page

Keyhole Reservoir

20 mi

Below flood stage

Level: 4084 ft

Reading from Sat 5:15 AM · NWS gauge page

Little Spearfish Creek near Lead

22 mi

Below flood stage

Level: 4.8 ft
Flow: 22 cfs

Reading from Sat 5 AM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 57Typical 194

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 47
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 32°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?

Sundance 8 Nnw · official normals 1991–2020 · records 2007–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 14°8° warmer than normal (daily mean temperature).

+8°+4°SunOct 18
+8°+4°MonOct 19
+14°+8°TueOct 20
+14°+8°WedOct 21
+18°+10°ThuOct 22
+21°+11°FriOct 23
—SatOct 24

Sundance 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: 5:17–6:16 PM; Morning 7:06–8:04 AM
Blue hour: 6:16–6:28 PM; Morning 6:54–7:06 AM; first light 6:54 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:38 AM · rises 4:58 PM
Full moon: Oct 25
New moon: Nov 9

Looking northwest from Sundance. The highest point on the skyline is about 6,100 ft, 3 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.

Sundance, WY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Sand Creek near Beulah

Redwater Creek (WY) at Wyoming-South Dakota State Line

Keyhole Reservoir

Little Spearfish Creek near Lead

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? Unknown

Moon