Observed 7:45 PM MDT at KRKS

Arrowhead Springs, WY weather

Partly cloudy and 37°3°.

Forecasts agree

Now 37°3°

Partly cloudy · Feels like 32°0°

Feels like: 32°0°; Wind chill from 7 mph11 km/h wind · air 37°3°
Wind: 7 mph11 km/h; From the northeast. 58–9 mph14 km/h through 8 AM
Dew point: 28°−2°; Dry, static shocks likely
UV tomorrow: 5Moderate; Moderate 11 AM–5 PM · peak 5
Air quality: 0Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.24 inHg1024 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Dry until tomorrow 2 PM
Low 33°1° tomorrow at 7 AM
Above 40°4° tomorrow by 11 AM
Rain tomorrow 2–6 PM (30%, 0.48 in12 mm)
High 49°9° tomorrow at 3 PM

TonightDown to 34°1° by 4 AM · Mostly cloudy
Tomorrow morningUp to 41°5° by 11 AM · Mostly cloudy · rain chance 30%
Tomorrow afternoonUp to 49°9° by 3 PM · Rain 2–6 PM (30%)
Tomorrow nightDown to 34°1° by 3 AM · rain chance 20% · Partly cloudy
Monday morningUp to 43°6° by 11 AM · freezing, low 32°0° · Partly cloudy
Monday afternoonUp to 52°11° by 2 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 8p	Cloudy	43°6° (likely 37°3° to 43°6°)	38°3°	0%	9 mph14 km/h from ENE, gusts 13 mph20 km/h	55%	76%	0
Sat 9p	Cloudy	42°6° (likely 37°3° to 42°6°)	36°2°	0%	9 mph14 km/h from NE, gusts 12 mph19 km/h	55%	73%	0
Sat 10p	Mostly cloudy	41°5° (likely 35°2° to 41°5°)	36°2°	0%	8 mph13 km/h from ENE, gusts 10 mph16 km/h	56%	54%	0
Sat 11p	Mostly cloudy	39°4° (likely 34°1° to 39°4°)	33°1°	0%	8 mph13 km/h from ENE, gusts 9 mph14 km/h	60%	55%	0
Sun 12a	Cloudy	39°4° (likely 33°1° to 39°4°)	33°1°	5%	8 mph13 km/h from ENE, gusts 9 mph15 km/h	62%	69%	0
Sun 1a	Cloudy	37°3° (likely 32°0° to 37°3°)	32°0°	5%	7 mph11 km/h from E, gusts 8 mph13 km/h	66%	71%	0
Sun 2a	Cloudy	36°2° (likely 32°0° to 36°2°)	30°−1°	5%	8 mph13 km/h from E, gusts 8 mph13 km/h	68%	70%	0
Sun 3a	Mostly cloudy	35°2° (likely 31°−1° to 35°2°)	29°−2°	5%	7 mph11 km/h from E, gusts 8 mph12 km/h	70%	60%	0
Sun 4a	Mostly cloudy	34°1° (likely 31°−1° to 34°1°)	30°−1°	5%	5 mph8 km/h from E, gusts 7 mph11 km/h	72%	41%	0
Sun 5a	Cloudy	34°1° (likely 30°−1° to 34°1°)	29°−2°	5%	6 mph10 km/h from E, gusts 6 mph10 km/h	76%	96%	0
Sun 6a	Cloudy	34°1° (likely 31°−1° to 34°1°)	28°−2°	30%	7 mph11 km/h from E, gusts 6 mph9 km/h	76%	81%	0
Sun 7a	Snow	33°1° (likely 30°−1° to 34°1°)	28°−2°	30%	6 mph10 km/h from E, gusts 5 mph9 km/h	76%	70%	0
Sun 8a	Snow	33°1° (likely 29°−2° to 34°1°)	28°−2°	30%	6 mph10 km/h from ENE, gusts 5 mph9 km/h	80%	65%	0
Sun 9a	Snow	35°2° (likely 33°1° to 35°2°)	30°−1°	30%	6 mph10 km/h from E, gusts 5 mph8 km/h	76%	78%	1
Sun 10a	Cloudy	39°4° (likely 34°1° to 39°4°)	33°1°	30%	8 mph13 km/h from E, gusts 5 mph7 km/h	73%	74%	2
Sun 11a	Drizzle	41°5° (likely 37°3° to 41°5°)	36°2°	10%	7 mph11 km/h from ENE, gusts 5 mph8 km/h	71%	68%	3
Sun 12p	Partly sunny	44°7° (likely 41°5° to 44°7°)	39°4°	20%, 0.12 in3 mm	8 mph13 km/h from ENE, gusts 7 mph12 km/h	67%	49%	4
Sun 1p	Mostly sunny	47°8° (likely 44°7° to 47°8°)	44°7°	20%, 0.12 in3 mm	7 mph11 km/h from ESE, gusts 10 mph16 km/h	62%	24%	5
Sun 2p	Sunny	48°9° (likely 47°8° to 50°10°)	45°7°	30%, 0.12 in3 mm	7 mph11 km/h from SSE, gusts 11 mph17 km/h	58%	13%	5
Sun 3p	Sunny	49°9° (likely 48°9° to 53°12°)	46°8°	30%, 0.12 in3 mm	7 mph11 km/h from S, gusts 12 mph19 km/h	61%	16%	4
Sun 4p	Sunny	47°8° (likely 47°8° to 53°12°)	44°7°	30%, 0.12 in3 mm	6 mph10 km/h from W, gusts 13 mph20 km/h	61%	25%	3
Sun 5p	Sunny	47°8° (likely 47°8° to 52°11°)	44°7°	30%, 0.12 in3 mm	7 mph11 km/h from W, gusts 12 mph20 km/h	62%	33%	2
Sun 6p	Clear	47°8° (likely 46°8° to 49°9°)	44°7°	10%	7 mph11 km/h from W, gusts 13 mph20 km/h	61%	33%	0
Sun 7p	Clear	43°6° (likely 42°6° to 46°8°)	39°4°	10%	6 mph10 km/h from N, gusts 11 mph18 km/h	66%	31%	0
Sun 8p	Clear	42°6° (likely 40°4° to 43°6°)	38°3°	10%	7 mph11 km/h from NE, gusts 11 mph18 km/h	67%	28%	0
Sun 9p	Clear	42°6° (likely 38°3° to 42°6°)	38°3°	5%	7 mph11 km/h from ENE, gusts 10 mph16 km/h	66%	28%	0
Sun 10p	Clear	41°5° (likely 37°3° to 41°5°)	36°2°	5%	7 mph11 km/h from ENE, gusts 9 mph14 km/h	69%	33%	0
Sun 11p	Mostly cloudy	40°4° (likely 33°1° to 40°4°)	35°2°	5%	7 mph11 km/h from ENE, gusts 8 mph12 km/h	72%	58%	0
Mon 12a	Clear	39°4° (likely 31°−1° to 39°4°)	36°2°	10%	5 mph8 km/h from ENE, gusts 7 mph11 km/h	76%	40%	0
Mon 1a	Clear	37°3° (likely 31°−1° to 37°3°)	33°1°	20%	5 mph8 km/h from E, gusts 6 mph10 km/h	79%	42%	0
Mon 2a	Clear	36°2° (likely 30°−1° to 36°2°)	32°0°	10%	5 mph8 km/h from E, gusts 5 mph8 km/h	83%	23%	0
Mon 3a	Clear	34°1° (likely 30°−1° to 36°2°)	31°−1°	5%	3 mph5 km/h from ESE, gusts 3 mph5 km/h	87%	23%	0
Mon 4a	Clear	34°1° (likely 30°−1° to 36°2°)	31°−1°	5%	3 mph5 km/h from SE, gusts 3 mph4 km/h	87%	27%	0
Mon 5a	Clear	34°1° (likely 30°−1° to 35°2°)	31°−1°	5%	3 mph5 km/h from SSE, gusts 2 mph3 km/h	90%	31%	0
Mon 6a	Clear	32°0° (likely 30°−1° to 35°2°)	29°−2°	0%	3 mph5 km/h from S, gusts 3 mph5 km/h	90%	29%	0
Mon 7a	Clear	33°1° (likely 29°−2° to 35°2°)	30°−1°	0%	3 mph5 km/h from SSE, gusts 2 mph4 km/h	89%	31%	0
Mon 8a	Sunny	34°1° (likely 28°−2° to 34°1°)	31°−1°	0%	3 mph5 km/h from S, gusts 3 mph5 km/h	89%	32%	0
Mon 9a	Mostly cloudy	35°2° (likely 29°−2° to 36°2°)	32°0°	0%	3 mph5 km/h from S, gusts 2 mph4 km/h	87%	41%	1
Mon 10a	Partly sunny	39°4° (likely 36°2° to 40°4°)	37°3°	0%	3 mph5 km/h from S, gusts 5 mph9 km/h	82%	44%	2
Mon 11a	Cloudy	43°6° (likely 40°4° to 44°7°)	40°4°	0%	5 mph8 km/h from SSW, gusts 6 mph10 km/h	75%	50%	3
Mon 12p	Mostly sunny	47°8° (likely 44°7° to 48°9°)	45°7°	0%	5 mph8 km/h from SW, gusts 6 mph10 km/h	67%	51%	4
Mon 1p	Mostly sunny	50°10° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from SW, gusts 7 mph12 km/h	60%	29%	5
Mon 2p	Mostly sunny	52°11° (likely 51°11° to 53°12°)	52°11°	0%	6 mph10 km/h from SW, gusts 10 mph15 km/h	53%	43%	5
Mon 3p	Mostly sunny	52°11° (likely 52°11° to 54°12°)	52°11°	0%	6 mph10 km/h from SW, gusts 10 mph16 km/h	49%	51%	4
Mon 4p	Mostly sunny	52°11° (likely 52°11° to 54°12°)	52°11°	0%	6 mph10 km/h from SSW, gusts 10 mph16 km/h	48%	12%	3
Mon 5p	Sunny	51°11° (likely 51°11° to 54°12°)	51°11°	0%	6 mph10 km/h from S, gusts 9 mph15 km/h	49%	5%	2
Mon 6p	Clear	50°10° (likely 49°9° to 52°11°)	48°9°	0%	6 mph10 km/h from S, gusts 7 mph12 km/h	51%	2%	1
Mon 7p	Clear	48°9° (likely 43°6° to 50°10°)	45°7°	0%	7 mph11 km/h from S, gusts 9 mph15 km/h	54%	5%	0

Days ahead

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

Today, Oct 24. Cloudy. High 46°8°, low 32°0°. Typical 52°11° / 30°−1°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Mostly cloudy, 43°6°
  Dry
2. Overnight
  midnight–6 AM
  Mostly cloudy, 34°1°
  Dry
Official NWS forecast
Tonight: Mostly cloudy, with a low around 32. East northeast wind 5 to 9 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
45°7°–47°8°
Low, likely
31°−1°–32°0°
Typical high / low
52°11° / 30°−1°
Wind
15 mph23 km/h, gusts 25 mph40 km/h
UV peak
4
Tomorrow, Oct 25. Drizzle. High 50°10°, low 32°0°. Typical 52°11° / 30°−1°. Rain 0.04 in1 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 33°1°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 49°9°
  30% chance · 0.72 in18 mm
3. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Day: Scattered rain and snow showers. Mostly cloudy. High near 50, with temperatures falling to around 47 in the afternoon. East southeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Isolated rain showers between 1am and 2am. Mostly cloudy, with a low around 32. East wind 3 to 7 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
29°−2°–34°1°
Typical high / low
52°11° / 30°−1°
Wind
13 mph21 km/h, gusts 22 mph35 km/h
UV peak
5
Monday, Oct 26. Partly sunny. High 53°12°, low 34°1°. Typical 51°11° / 30°−1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  40% chance · 0.02 in0.5 mm
Official NWS forecast
Day: Mostly sunny, with a high near 53. South wind around 6 mph.
Night: A slight chance of rain and snow showers after midnight. Partly cloudy, with a low around 34. South southwest wind 6 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
52°11°–54°12°
Low, likely
28°−2°–34°1°
Typical high / low
51°11° / 30°−1°
Wind
15 mph24 km/h, gusts 23 mph37 km/h
UV peak
5
Tuesday, Oct 27. Snow. High 48°9°, low 28°−2°. Typical 50°10° / 29°−2°. Snow 0.03 in0.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  40% chance
2. Afternoon
  noon–6 PM
  Sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 33°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow showers before noon. Mostly sunny, with a high near 48. West southwest wind 17 to 22 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Night: Mostly clear, with a low around 28. Southwest wind 5 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–51°11°
Low, likely
28°−2°–38°3°
Typical high / low
50°10° / 29°−2°
Wind
21 mph33 km/h, gusts 33 mph54 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 53°12°, low 34°1°. Typical 50°10° / 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 53.
Night: Partly cloudy, with a low around 34.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–53°12°
Low, likely
21°−6°–38°3°
Typical high / low
50°10° / 29°−2°
Wind
12 mph20 km/h, gusts 27 mph43 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 57°14°, low 38°3°. Typical 50°10° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 38°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57.
Night: Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–58°14°
Low, likely
23°−5°–41°5°
Typical high / low
50°10° / 28°−2°
Wind
15 mph24 km/h, gusts 28 mph44 km/h
UV peak
4
Friday, Oct 30. Mostly cloudy. High 55°13°, low 36°2°. Typical 49°9° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 51°11°
  30% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after noon. Partly sunny, with a high near 55.
Night: A chance of rain showers. Mostly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–57°14°
Low, likely
31°−1°–42°6°
Typical high / low
49°9° / 28°−2°
Wind
24 mph38 km/h, gusts 29 mph46 km/h
UV peak
4
Saturday, Oct 31. Showers. High 51°11°, low 34°1°. Typical 48°9° / 28°−2°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  30% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 42°5°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 33°0°
  20% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–52°11°
Low, likely
26°−3°–38°3°
Typical high / low
48°9° / 28°−2°
Wind
13 mph20 km/h, gusts 21 mph34 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 42°6°, low 31°−1°. Typical 48°9° / 27°−3°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  20% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 42°6°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 38°4°
  20% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 29°−2°
  30% chance · 0.02 in0.6 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
34°1°–48°9°
Low, likely
16°−9°–38°3°
Typical high / low
48°9° / 27°−3°
Wind
20 mph32 km/h, gusts 35 mph56 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 42°6°, low 28°−2°. Typical 48°9° / 27°−3°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 30°−1°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 42°6°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 35°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
37°3°–50°10°
Low, likely
16°−9°–38°3°
Typical high / low
48°9° / 27°−3°
Wind
16 mph25 km/h, gusts 30 mph49 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 46°, low 32°.
Tomorrow
30% chance of rain, high 50°, low 32°, warming up.
Monday
Dry, high 53°, low 34°, warming up.
Rest of week
Mostly dry, highs 42–57°.

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

Green River (WY-UT-CO) at Green River

15 mi

Below flood stage

Level: 1.1 ft
Flow: 815 cfs

Forecast peak 1.2 ft Sat 8 PM

Reading from Sat 6:30 PM · NWS gauge page

For your home

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

Heating this week

About 73% less heating than a typical week.

This week 47Typical 176

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 38
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 10 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?

Rock Springs Airport · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

Today’s expected high is 6°3° colder than typical.

Last 7 days vs normal

On average 9°5° warmer than normal (daily mean temperature).

+8°+4°MonOct 19
+8°+4°TueOct 20
+11°+6°WedOct 21
+12°+6°ThuOct 22
+5°+3°FriOct 23
—SatOct 24
—SunOct 25

Arrowhead Springs weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:43–6:39 PM; Morning 7:21–8:17 AM
Blue hour: 6:39–6:50 PM; Morning 7:10–7:21 AM; first light 7:10 AM

Stars tonight? Poor

Clouds most of the night (about 68% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:56 AM · rises 5:21 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Arrowhead Springs. The highest point on the skyline is about 8,600 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 5.5× taller. Sky, sun and moon as they are now.