Observed 5:40 PM MDT at KCPR

Bar Nunn, WY weather

Sunny and 43°6°.

Forecasts agree

Now 43°6°

Sunny · Feels like 35°2°

Feels like: 35°2°; Wind chill from 15 mph24 km/h wind · air 43°6°
Wind: 15 mph24 km/h; From the east. Easing to 5 mph8 km/h by 3 AM
Dew point: 19°−7°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

18°10° cooler than this time yesterday (63°17° then, 45°7° now)

Good hours for

Below freezing tomorrow 6–9 AM (low 31°−1°)
Low 31°−1° tomorrow at 7 AM
Above 40°4° tomorrow by 11 AM

TonightDown to 33°1° by 5 AM · Mostly cloudy
Tomorrow morningUp to 42°6° by 11 AM · freezing, low 31°−1° · Clear
Tomorrow afternoonUp to 51°11° by 4 PM · Partly cloudy
Tomorrow nightDown to 37°3° by 5 AM · rain chance 20% · Mostly cloudy
Monday morningUp to 44°7° by 11 AM · rain chance 20% · Cloudy
Monday afternoonUp to 55°13° by 3 PM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5p	Cloudy	45°7° (likely 45°7° to 46°8°)	41°5°	0%	8 mph13 km/h from E, gusts 18 mph29 km/h	43%	80%	1
Sat 6p	Cloudy	44°7° (likely 43°6° to 44°7°)	38°3°	0%	12 mph19 km/h from E, gusts 19 mph31 km/h	41%	82%	0
Sat 7p	Cloudy	43°6° (likely 41°5° to 43°6°)	36°2°	0%	14 mph23 km/h from E, gusts 16 mph25 km/h	40%	83%	0
Sat 8p	Cloudy	42°6° (likely 40°4° to 42°6°)	35°2°	0%	14 mph23 km/h from E, gusts 17 mph27 km/h	43%	77%	0
Sat 9p	Cloudy	41°5° (likely 38°3° to 41°5°)	34°1°	0%	13 mph21 km/h from E, gusts 14 mph23 km/h	45%	68%	0
Sat 10p	Mostly cloudy	40°4° (likely 37°3° to 40°4°)	33°1°	0%	10 mph16 km/h from E, gusts 11 mph18 km/h	50%	59%	0
Sat 11p	Cloudy	39°4° (likely 35°2° to 39°4°)	33°1°	0%	9 mph14 km/h from E, gusts 8 mph12 km/h	52%	66%	0
Sun 12a	Mostly cloudy	38°3° (likely 33°1° to 38°3°)	32°0°	0%	9 mph14 km/h from E, gusts 6 mph10 km/h	55%	58%	0
Sun 1a	Mostly cloudy	37°3° (likely 32°0° to 37°3°)	31°−1°	0%	8 mph13 km/h from E, gusts 5 mph7 km/h	58%	57%	0
Sun 2a	Partly cloudy	37°3° (likely 30°−1° to 37°3°)	32°0°	0%	6 mph10 km/h from ENE, gusts 4 mph6 km/h	61%	47%	0
Sun 3a	Partly cloudy	36°2° (likely 28°−2° to 36°2°)	32°0°	0%	5 mph8 km/h from ENE, gusts 4 mph7 km/h	62%	52%	0
Sun 4a	Cloudy	34°1° (likely 28°−2° to 34°1°)	28°−2°	0%	7 mph11 km/h from ENE, gusts 4 mph7 km/h	65%	66%	0
Sun 5a	Partly cloudy	33°1° (likely 27°−3° to 33°1°)	28°−2°	0%	6 mph10 km/h from ENE, gusts 5 mph8 km/h	70%	47%	0
Sun 6a	Partly cloudy	32°0° (likely 26°−3° to 32°0°)	27°−3°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	73%	40%	0
Sun 7a	Clear	31°−1° (likely 26°−3° to 33°1°)	26°−3°	0%	5 mph8 km/h from NE, gusts 4 mph6 km/h	77%	5%	0
Sun 8a	Sunny	32°0° (likely 25°−4° to 33°1°)	32°0°	0%	2 mph3 km/h from ENE, gusts 4 mph7 km/h	78%	7%	0
Sun 9a	Sunny	35°2° (likely 30°−1° to 36°2°)	32°0°	0%	3 mph5 km/h from ESE, gusts 3 mph5 km/h	74%	7%	1
Sun 10a	Mostly sunny	39°4° (likely 37°3° to 39°4°)	37°3°	0%	3 mph5 km/h from E, gusts 2 mph2 km/h	71%	25%	2
Sun 11a	Partly sunny	42°6° (likely 41°5° to 42°6°)	39°4°	0%	5 mph8 km/h from E, gusts 4 mph6 km/h	65%	54%	3
Sun 12p	Mostly sunny	44°7° (likely 44°7° to 46°8°)	41°5°	0%	6 mph10 km/h from ENE, gusts 4 mph7 km/h	60%	54%	4
Sun 1p	Partly sunny	48°9° (likely 47°8° to 49°9°)	45°7°	5%	7 mph11 km/h from NE, gusts 7 mph11 km/h	55%	57%	4
Sun 2p	Partly sunny	50°10° (likely 49°9° to 52°11°)	47°8°	5%	8 mph13 km/h from ENE, gusts 8 mph12 km/h	53%	61%	4
Sun 3p	Mostly cloudy	50°10° (likely 49°9° to 53°12°)	46°8°	5%	10 mph16 km/h from E, gusts 9 mph14 km/h	52%	62%	4
Sun 4p	Mostly cloudy	51°11° (likely 49°9° to 53°12°)	51°11°	5%	12 mph19 km/h from E, gusts 11 mph17 km/h	54%	63%	3
Sun 5p	Mostly sunny	50°10° (likely 48°9° to 53°12°)	45°7°	5%	13 mph21 km/h from E, gusts 10 mph16 km/h	58%	31%	1
Sun 6p	Clear	47°8° (likely 45°7° to 49°9°)	41°5°	20%	14 mph23 km/h from E, gusts 13 mph20 km/h	63%	29%	0
Sun 7p	Cloudy	45°7° (likely 43°6° to 46°8°)	39°4°	10%	13 mph21 km/h from ENE, gusts 16 mph25 km/h	75%	64%	0
Sun 8p	Partly cloudy	42°6° (likely 40°4° to 42°6°)	35°2°	10%	13 mph21 km/h from E, gusts 20 mph32 km/h	80%	65%	0
Sun 9p	Cloudy	42°6° (likely 39°4° to 42°6°)	35°2°	10%	13 mph21 km/h from E, gusts 19 mph31 km/h	83%	71%	0
Sun 10p	Cloudy	41°5° (likely 38°3° to 41°5°)	34°1°	10%	12 mph19 km/h from E, gusts 16 mph26 km/h	86%	74%	0
Sun 11p	Cloudy	40°4° (likely 38°3° to 41°5°)	33°1°	10%	12 mph19 km/h from E, gusts 15 mph25 km/h	87%	77%	0
Mon 12a	Cloudy	40°4° (likely 37°3° to 40°4°)	33°1°	20%, 0.03 in0.8 mm	10 mph16 km/h from E, gusts 14 mph23 km/h	88%	79%	0
Mon 1a	Cloudy	40°4° (likely 36°2° to 41°5°)	34°1°	10%, 0.03 in0.8 mm	9 mph14 km/h from E, gusts 14 mph22 km/h	88%	86%	0
Mon 2a	Cloudy	39°4° (likely 36°2° to 41°5°)	33°1°	10%, 0.03 in0.8 mm	9 mph14 km/h from E, gusts 12 mph19 km/h	89%	94%	0
Mon 3a	Cloudy	38°3° (likely 36°2° to 41°5°)	33°1°	20%, 0.03 in0.8 mm	7 mph11 km/h from ESE, gusts 10 mph16 km/h	87%	98%	0
Mon 4a	Cloudy	38°3° (likely 36°2° to 41°5°)	34°1°	20%, 0.03 in0.8 mm	6 mph10 km/h from ESE, gusts 7 mph11 km/h	90%	99%	0
Mon 5a	Cloudy	37°3° (likely 36°2° to 41°5°)	32°0°	20%, 0.03 in0.8 mm	6 mph10 km/h from ESE, gusts 7 mph11 km/h	92%	98%	0
Mon 6a	Cloudy	35°2° (likely 35°2° to 41°5°)	31°−1°	20%	5 mph8 km/h from SE, gusts 6 mph10 km/h	91%	99%	0
Mon 7a	Cloudy	36°2° (likely 36°2° to 40°4°)	32°0°	20%	5 mph8 km/h from SE, gusts 8 mph12 km/h	95%	100%	0
Mon 8a	Cloudy	36°2° (likely 35°2° to 40°4°)	32°0°	20%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	96%	98%	0
Mon 9a	Cloudy	37°3° (likely 36°2° to 40°4°)	33°1°	20%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	94%	100%	0
Mon 10a	Cloudy	40°4° (likely 39°4° to 41°5°)	37°3°	20%	5 mph8 km/h from S, gusts 4 mph6 km/h	89%	98%	1
Mon 11a	Cloudy	44°7° (likely 41°5° to 44°7°)	41°5°	20%	5 mph8 km/h from SSW, gusts 6 mph10 km/h	81%	86%	1
Mon 12p	Partly sunny	48°9° (likely 44°7° to 49°9°)	45°7°	0%	6 mph10 km/h from SW, gusts 8 mph13 km/h	73%	70%	3
Mon 1p	Partly sunny	51°11° (likely 47°8° to 55°13°)	51°11°	0%	7 mph11 km/h from SW, gusts 9 mph14 km/h	64%	60%	4
Mon 2p	Partly sunny	54°12° (likely 50°10° to 58°14°)	54°12°	0%	9 mph14 km/h from SW, gusts 10 mph17 km/h	56%	51%	3
Mon 3p	Partly sunny	55°13° (likely 52°11° to 60°16°)	55°13°	0%	10 mph16 km/h from SW, gusts 14 mph22 km/h	50%	60%	3
Mon 4p	Mostly sunny	55°13° (likely 52°11° to 60°16°)	55°13°	0%	10 mph16 km/h from SW, gusts 16 mph25 km/h	48%	22%	2

Days ahead

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

Today, Oct 24. Cloudy. High 49°9°, low 30°−1°. Typical 56°13° / 28°−2°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
2. Overnight
  midnight–6 AM
  Partly cloudy, 33°1°
  Dry
Official NWS forecast
Today: Mostly cloudy. High near 49, with temperatures falling to around 45 in the afternoon. East wind around 8 mph.
Tonight: Mostly cloudy. Low around 30, with temperatures rising to around 33 overnight. East northeast wind 5 to 14 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
46°8°–49°9°
Low, likely
30°−1°–35°2°
Typical high / low
56°13° / 28°−2°
Wind
19 mph31 km/h, gusts 32 mph51 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 52°11°, low 33°1°. Typical 56°13° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 52. East northeast wind 2 to 13 mph.
Night: Isolated rain showers. Mostly cloudy, with a low around 33. East wind 6 to 14 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
25°−4°–33°1°
Typical high / low
56°13° / 28°−2°
Wind
14 mph22 km/h, gusts 24 mph39 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 56°13°, low 36°2°. Typical 55°13° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Day: A slight chance of rain showers before noon. Partly sunny, with a high near 56. South wind 5 to 10 mph. Chance of precipitation is 20%.
Night: Mostly clear, with a low around 36. South southwest wind 9 to 22 mph, with gusts as high as 36 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–59°15°
Low, likely
33°1°–40°4°
Typical high / low
55°13° / 28°−2°
Wind
17 mph28 km/h, gusts 30 mph47 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 57°14°, low 33°1°. Typical 55°13° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 57. Southwest wind 25 to 36 mph, with gusts as high as 47 mph.
Night: Mostly clear, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–57°14°
Low, likely
33°1°–43°6°
Typical high / low
55°13° / 27°−3°
Wind
33 mph53 km/h, gusts 52 mph84 km/h
UV peak
4
Wednesday, Oct 28. Sunny. High 61°16°, low 37°3°. Typical 54°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 40°4°
  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
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 61.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
36°2°–40°4°
Typical high / low
54°12° / 27°−3°
Wind
18 mph29 km/h, gusts 36 mph58 km/h
UV peak
3
Thursday, Oct 29. Mostly sunny. High 66°19°, low 39°4°. Typical 54°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
37°3°–42°6°
Typical high / low
54°12° / 27°−3°
Wind
21 mph34 km/h, gusts 38 mph61 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 65°18°, low 37°3°. Typical 54°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: A slight chance of rain showers after midnight. Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–65°18°
Low, likely
37°3°–46°8°
Typical high / low
54°12° / 27°−3°
Wind
17 mph27 km/h, gusts 34 mph55 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 54°12°, low 40°4°. Typical 53°12° / 26°−3°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  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
48°9°–59°15°
Low, likely
31°−1°–46°8°
Typical high / low
53°12° / 26°−3°
Wind
24 mph38 km/h, gusts 30 mph49 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 52°11°, low 38°3°. Typical 53°12° / 26°−3°. Rain 0.06 in1.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°11°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  30% 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°–57°14°
Low, likely
29°−2°–46°8°
Typical high / low
53°12° / 26°−3°
Wind
28 mph44 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 51°11°, low 37°3°. Typical 52°11° / 26°−3°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 42°6°
  30% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Cloudy, 51°11°
  20% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 46°8°
  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
45°7°–58°14°
Low, likely
35°2°–40°4°
Typical high / low
52°11° / 26°−3°
Wind
29 mph47 km/h, gusts 50 mph80 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 49°, low 30°.
Tomorrow
Dry, high 52°, low 33°, warming up.
Monday
Dry, high 56°, low 36°, warming up.
Rest of week
Mostly dry, highs 51–66°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (RIW) (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

North Platte River at Casper

4.8 mi

Below flood stage

Level: 0.4 ft
Flow: 463 cfs

Reading from Sat 4:30 PM · NWS gauge page

Bates Creek above Highway 487

24 mi

Level: 1.8 ft
Flow: 7 cfs

Reading from Sat 5 PM · NWS gauge page

For your home

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

Heating this week

About 72% less heating than a typical week.

This week 46Typical 167

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 37
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 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 19°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?

Casper-Natrona County Airport · official normals 1991–2020 · records 1939–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° colder than typical.

Last 7 days vs normal

On average 11°6° warmer than normal (daily mean temperature).

+13°+7°SunOct 18
+6°+3°MonOct 19
+13°+7°TueOct 20
+10°+5°WedOct 21
+15°+8°ThuOct 22
+11°+6°FriOct 23
—SatOct 24

Bar Nunn weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 39 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 38 min less
Golden hour: 5:29–6:26 PM; Morning 7:12–8:09 AM
Blue hour: 6:26–6:37 PM; Morning 7:00–7:12 AM; first light 7:00 AM

Stars tonight? Poor

Clouds most of the night (about 58% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:45 AM · rises 5:08 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Bar Nunn. The highest point on the skyline is about 9,800 ft, 65 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.