Observed 4:53 PM MDT at KCPR

Casper Mountain, WY weather

Sunny and 53°12°, 15°8° colder than a typical Oct 25, rain tomorrow ~1–7 AM (60%).

Forecasts agree

Now 53°12°

Sunny

Wind: 10 mph17 km/h; From the northeast. 35–12 mph19 km/h through 5 AM
Dew point: 29°−2°; 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

8°5° warmer than this time yesterday (45°7° then, 53°12° now)

Good hours for

Dry until midnight
Low 34°1° tonight at 10 PM
Rain tonight midnight–9 AM (60%, 0.09 in2.3 mm)
High 45°7° tomorrow at 3 PM
Gusts to 53 mph85 km/h tomorrow night from 7 PM

TonightDown to 34°1° by 10 PM · Rain midnight–6 AM (60%)
Tomorrow morningNear 38°3° · Rain 6–9 AM (50%)
Tomorrow afternoonUp to 45°7° by 3 PM · Partly cloudy
Tomorrow nightDown to 39°4° by 10 PM · gusts to 47 mph76 km/h · Partly cloudy
Tuesday morningNear 41°5° · gusts to 53 mph85 km/h · Clear
Tuesday afternoonNear 42°6° · gusts to 53 mph85 km/h · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sun 5p	Partly sunny	41°5° (likely 37°3° to 41°5°)	35°2°	5%	10 mph16 km/h from ENE, gusts 11 mph18 km/h	76%	22%	0
Sun 6p	Partly cloudy	38°3° (likely 35°2° to 38°3°)	31°−1°	10%	10 mph16 km/h from E, gusts 13 mph20 km/h	85%	22%	0
Sun 7p	Clear	36°2° (likely 32°0° to 36°2°)	28°−2°	10%	12 mph19 km/h from E, gusts 17 mph27 km/h	89%	24%	0
Sun 8p	Mostly clear	35°2° (likely 31°−1° to 35°2°)	27°−3°	10%	10 mph16 km/h from E, gusts 15 mph24 km/h	92%	48%	0
Sun 9p	Cloudy	35°2° (likely 29°−2° to 35°2°)	28°−2°	10%	9 mph14 km/h from ESE, gusts 12 mph19 km/h	95%	76%	0
Sun 10p	Cloudy	34°1° (likely 29°−2° to 34°1°)	28°−2°	20%	7 mph11 km/h from ESE, gusts 16 mph25 km/h	98%	72%	0
Sun 11p	Cloudy	34°1° (likely 29°−2° to 35°2°)	29°−2°	30%	6 mph10 km/h from SE, gusts 12 mph20 km/h	98%	75%	0
Mon 12a	Cloudy	34°1° (likely 28°−2° to 34°1°)	29°−2°	40%, 0.01 in0.3 mm	6 mph10 km/h from ESE, gusts 7 mph12 km/h	97%	85%	0
Mon 1a	Cloudy	35°2° (likely 28°−2° to 35°2°)	30°−1°	40%, 0.01 in0.3 mm	6 mph10 km/h from SE, gusts 6 mph10 km/h	98%	89%	0
Mon 2a	Cloudy	35°2° (likely 29°−2° to 35°2°)	32°0°	40%, 0.01 in0.3 mm	3 mph5 km/h from SE, gusts 11 mph17 km/h	98%	88%	0
Mon 3a	Cloudy	36°2° (likely 30°−1° to 36°2°)	33°1°	50%, 0.01 in0.3 mm	3 mph5 km/h from ESE, gusts 10 mph17 km/h	95%	85%	0
Mon 4a	Cloudy	35°2° (likely 30°−1° to 35°2°)	32°0°	60%, 0.01 in0.3 mm	3 mph5 km/h from SE, gusts 9 mph14 km/h	96%	85%	0
Mon 5a	Cloudy	35°2° (likely 30°−1° to 35°2°)	32°0°	60%, 0.01 in0.3 mm	3 mph5 km/h from SSE, gusts 10 mph16 km/h	95%	89%	0
Mon 6a	Cloudy	36°2° (likely 30°−1° to 36°2°)	32°0°	50%, 0.01 in0.3 mm	5 mph8 km/h from S, gusts 11 mph18 km/h	92%	90%	0
Mon 7a	Cloudy	34°1° (likely 32°0° to 34°1°)	30°−1°	50%, 0.01 in0.3 mm	5 mph8 km/h from SW, gusts 13 mph20 km/h	92%	88%	0
Mon 8a	Cloudy	35°2° (likely 32°0° to 35°2°)	31°−1°	30%, 0.01 in0.3 mm	5 mph8 km/h from SW, gusts 14 mph23 km/h	96%	86%	0
Mon 9a	Cloudy	35°2° (likely 34°1° to 37°3°)	29°−2°	20%, 0.01 in0.3 mm	7 mph11 km/h from SW, gusts 15 mph24 km/h	99%	85%	1
Mon 10a	Partly sunny	38°3° (likely 37°3° to 39°4°)	33°1°	10%, 0.01 in0.3 mm	7 mph11 km/h from SW, gusts 19 mph31 km/h	98%	66%	2
Mon 11a	Partly sunny	39°4° (likely 37°3° to 42°6°)	35°2°	10%, 0.01 in0.3 mm	6 mph10 km/h from SW, gusts 22 mph35 km/h	95%	49%	3
Mon 12p	Mostly sunny	41°5° (likely 38°3° to 45°7°)	35°2°	10%	10 mph16 km/h from SW, gusts 22 mph36 km/h	90%	41%	4
Mon 1p	Partly sunny	43°6° (likely 41°5° to 47°8°)	37°3°	5%	12 mph19 km/h from SW, gusts 24 mph38 km/h	81%	29%	4
Mon 2p	Partly sunny	44°7° (likely 43°6° to 48°9°)	37°3°	5%	14 mph23 km/h from SW, gusts 24 mph38 km/h	76%	26%	4
Mon 3p	Sunny	45°7° (likely 44°7° to 49°9°)	39°4°	5%	13 mph21 km/h from WSW, gusts 23 mph38 km/h	70%	31%	4
Mon 4p	Mostly sunny	45°7° (likely 44°7° to 49°9°)	39°4°	5%	12 mph19 km/h from SW, gusts 25 mph40 km/h	69%	19%	3
Mon 5p	Mostly sunny	45°7° (likely 43°6° to 48°9°)	39°4°	5%	13 mph21 km/h from SW, gusts 25 mph40 km/h	69%	21%	1
Mon 6p	Clear	43°6° (likely 41°5° to 45°7°)	37°3°	0%	12 mph19 km/h from SW, gusts 24 mph39 km/h	73%	5%	0
Mon 7p	Clear	41°5° (likely 39°4° to 43°6°)	33°1°	0%	14 mph23 km/h from SW, gusts 26 mph42 km/h	74%	3%	0
Mon 8p	Clear	40°4° (likely 38°3° to 43°6°)	32°0°	0%	15 mph24 km/h from SW, gusts 32 mph52 km/h	73%	2%	0
Mon 9p	Clear	40°4° (likely 37°3° to 42°6°)	31°−1°	0%	18 mph29 km/h from SSW, gusts 36 mph58 km/h	71%	42%	0
Mon 10p	Mostly clear	39°4° (likely 37°3° to 42°6°)	29°−2°	0%	20 mph32 km/h from SSW, gusts 34 mph55 km/h	72%	46%	0
Mon 11p	Mostly clear	40°4° (likely 36°2° to 42°6°)	30°−1°	0%	21 mph34 km/h from SSW, gusts 38 mph61 km/h	70%	49%	0
Tue 12a	Mostly clear	40°4° (likely 36°2° to 41°5°)	30°−1°	0%	22 mph35 km/h from SSW, gusts 43 mph70 km/h	68%	28%	0
Tue 1a	Mostly clear	41°5° (likely 36°2° to 41°5°)	31°−1°	0%	24 mph39 km/h from SSW, gusts 45 mph73 km/h	66%	27%	0
Tue 2a	Clear	41°5° (likely 36°2° to 41°5°)	31°−1°	0%	24 mph39 km/h from SSW, gusts 45 mph72 km/h	65%	23%	0
Tue 3a	Clear	41°5° (likely 35°2° to 41°5°)	30°−1°	0%	28 mph45 km/h from SSW, gusts 46 mph74 km/h	63%	23%	0
Tue 4a	Cloudy	41°5° (likely 34°1° to 41°5°)	30°−1°	0%	29 mph47 km/h from SW, gusts 46 mph75 km/h	64%	24%	0
Tue 5a	Cloudy	41°5° (likely 34°1° to 41°5°)	30°−1°	0%	30 mph48 km/h from SW, gusts 47 mph75 km/h	65%	40%	0
Tue 6a	Clear	40°4° (likely 33°1° to 40°4°)	28°−2°	0%	31 mph50 km/h from SW, gusts 47 mph76 km/h	65%	52%	0
Tue 7a	Mostly clear	41°5° (likely 33°1° to 41°5°)	29°−2°	0%	32 mph51 km/h from SW, gusts 45 mph72 km/h	65%	34%	0
Tue 8a	Sunny	41°5° (likely 32°0° to 41°5°)	29°−2°	0%	32 mph51 km/h from SW, gusts 46 mph74 km/h	67%	7%	0
Tue 9a	Sunny	40°4° (likely 33°1° to 40°4°)	28°−2°	0%	32 mph51 km/h from SW, gusts 51 mph82 km/h	68%	10%	1
Tue 10a	Sunny	40°4° (likely 35°2° to 40°4°)	28°−2°	0%	31 mph50 km/h from WSW, gusts 53 mph85 km/h	64%	1%	2
Tue 11a	Sunny	41°5° (likely 38°3° to 41°5°)	30°−1°	0%	30 mph48 km/h from WSW, gusts 53 mph85 km/h	58%	1%	3
Tue 12p	Sunny	41°5° (likely 40°4° to 43°6°)	30°−1°	0%	29 mph47 km/h from WSW, gusts 52 mph84 km/h	51%	1%	4
Tue 1p	Sunny	42°6° (likely 42°6° to 46°8°)	32°0°	0%	28 mph45 km/h from WSW, gusts 53 mph85 km/h	46%	0%	4
Tue 2p	Sunny	43°6° (likely 43°6° to 46°8°)	33°1°	0%	26 mph42 km/h from WSW, gusts 52 mph83 km/h	42%	0%	4
Tue 3p	Sunny	44°7° (likely 44°7° to 47°8°)	35°2°	0%	25 mph40 km/h from WSW, gusts 50 mph81 km/h	40%	1%	4
Tue 4p	Sunny	43°6° (likely 43°6° to 47°8°)	34°1°	0%	22 mph35 km/h from WSW, gusts 48 mph78 km/h	41%	5%	2

Days ahead

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

Today, Oct 25. Cloudy. High 41°5°, low 33°1°. Typical 56°13° / 28°−2°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Cloudy, 35°2°
  30% chance
2. Overnight
  midnight–6 AM
  Cloudy, 34°1°
  60% chance · 0.06 in1.5 mm
Official NWS forecast
Today: Mostly sunny, with a high near 41. East northeast wind around 10 mph.
Tonight: Scattered rain and snow showers between 10pm and 2am, then patchy fog and scattered rain and snow showers between 2am and 4am, then patchy fog and a chance of rain and snow showers. Mostly cloudy, with a low around 33. East southeast wind 3 to 12 mph. Chance of precipitation is 60%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
40°4°–41°5°
Low, likely
25°−4°–33°1°
Typical high / low
56°13° / 28°−2°
Wind
14 mph22 km/h, gusts 22 mph35 km/h
UV peak
4
Tomorrow, Oct 26. Cloudy. High 45°7°, low 38°3°. Typical 55°13° / 28°−2°. Rain 0.01 in0.3 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  50% chance · 0.06 in1.5 mm
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Scattered snow showers before 9am, then isolated rain and snow showers between 9am and 10am. Partly sunny, with a high near 45. Southwest wind 5 to 14 mph. Chance of precipitation is 50%.
Night: Mostly clear, with a low around 38. Southwest wind 12 to 30 mph, with gusts as high as 45 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–49°9°
Low, likely
28°−2°–38°3°
Typical high / low
55°13° / 28°−2°
Wind
24 mph38 km/h, gusts 51 mph82 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 44°7°, low 34°1°. Typical 55°13° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 44. Southwest wind 18 to 32 mph, with gusts as high as 56 mph.
Night: Mostly clear, with a low around 34. Southwest wind around 16 mph, with gusts as high as 36 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–49°9°
Low, likely
32°0°–37°3°
Typical high / low
55°13° / 27°−3°
Wind
35 mph56 km/h, gusts 69 mph111 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 47°8°, low 36°2°. Typical 54°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 47. Southwest wind 14 to 20 mph, with gusts as high as 37 mph.
Night: Mostly clear, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–48°9°
Low, likely
32°0°–36°2°
Typical high / low
54°12° / 27°−3°
Wind
22 mph36 km/h, gusts 46 mph74 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 51°11°, low 39°4°. Typical 54°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 51.
Night: Partly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–54°12°
Low, likely
31°−1°–39°4°
Typical high / low
54°12° / 27°−3°
Wind
15 mph25 km/h, gusts 43 mph69 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 51°11°, low 38°3°. Typical 54°12° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 51.
Night: A chance of rain showers. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–57°14°
Low, likely
34°1°–41°5°
Typical high / low
54°12° / 27°−3°
Wind
17 mph28 km/h, gusts 45 mph72 km/h
UV peak
3
Saturday, Oct 31. Snow. High 47°8°, low 37°3°. Typical 53°12° / 26°−3°. Snow 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain and snow showers. Partly sunny, with a high near 47.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–53°12°
Low, likely
35°2°–41°5°
Typical high / low
53°12° / 26°−3°
Wind
19 mph31 km/h, gusts 40 mph65 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 47°8°, low 33°1°. Typical 53°12° / 26°−3°. Rain 0.13 in3.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  20% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  30% chance · 0.4 in0.9 cm
4. Overnight
  midnight–6 AM
  Drizzle, 30°−1°
  40% chance · 0.7 in1.7 cm
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°–53°12°
Low, likely
28°−2°–38°3°
Typical high / low
53°12° / 26°−3°
Wind
18 mph28 km/h, gusts 44 mph71 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 39°4°, low 26°−3°. Typical 52°11° / 26°−3°. Rain 0.3 in7.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 32°0°
  40% chance · 0.2 in0.6 cm
2. Afternoon
  noon–6 PM
  Sunny, 38°3°
  40% chance
3. Evening
  6 PM–midnight
  Cloudy, 29°−2°
  40% chance
4. Overnight
  midnight–6 AM
  Drizzle, 25°−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
26°−3°–47°8°
Low, likely
16°−9°–34°1°
Typical high / low
52°11° / 26°−3°
Wind
19 mph30 km/h, gusts 29 mph47 km/h
UV peak
2
Tuesday, Nov 3. Drizzle. High 36°2°, low 23°−5°. Typical 52°11° / 26°−3°. Rain 0.19 in4.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 26°−3°
  20% chance · 0.2 in0.5 cm
2. Afternoon
  noon–6 PM
  Cloudy, 34°1°
  Dry
3. Evening
  6 PM–midnight
  Clear, 27°−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
24°−4°–42°6°
Low, likely
13°−11°–31°−1°
Typical high / low
52°11° / 26°−3°
Wind
17 mph27 km/h, gusts 29 mph46 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 41°, low 33°.
Tomorrow
Dry, high 45°, low 38°, warming up.
Tuesday
Dry, high 44°, low 34°.
Rest of week
Highs 36–51°; chance of precipitation on Monday.

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

7.8 mi

Below flood stage

Level: 0.4 ft
Flow: 457 cfs

Reading from Sun 3:30 PM · NWS gauge page

Bates Creek above Highway 487

14 mi

Level: 1.8 ft
Flow: 6 cfs

Reading from Sun 3 PM · NWS gauge page

North Platte River below Gray Reef Reservoir

23 mi

Below flood stage

Level: 2.6 ft
Flow: 511 cfs

Reading from Sun 3:15 PM · NWS gauge page

Reservoirs at Gray Reef Reservoir

23 mi

Below flood stage

Level: 5330 ft

Reading from Sun 3:45 PM · NWS gauge page

For your home

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

Heating this week

About 70% less heating than a typical week.

This week 50Typical 170

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 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 29°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 25, today vs a typical year

Today’s expected high is 15°8° colder than typical.

Last 7 days vs normal

On average 8°4° warmer than normal (daily mean temperature).

+6°+3°MonOct 19
+13°+7°TueOct 20
+10°+5°WedOct 21
+15°+8°ThuOct 22
+11°+6°FriOct 23
−5°−3°SatOct 24
—SunOct 25

Casper Mountain weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 34 min less
Golden hour: 5:27–6:25 PM; Morning 7:12–8:10 AM
Blue hour: 6:25–6:36 PM; Morning 7:01–7:12 AM; first light 7:01 AM

Stars tonight? Fair

Mostly clear 6:36–8 PM, but the moon is 100% lit and up.

Moon

Full moon

100% lit · growing

Today: sets 6:59 AM · rises 5:33 PM
Full moon: Today, 10:12 PM
New moon: Nov 9

Looking west from Casper Mountain. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Casper Mountain, WY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Tuesday

Rest of week

What changed since yesterday

Radar

Rivers

North Platte River at Casper

Bates Creek above Highway 487

North Platte River below Gray Reef Reservoir

Reservoirs at Gray Reef Reservoir

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 25, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon