Observed 11:15 AM MDT at KAFO

Thayne, WY weather

Overcast and 37°3°.

Mostly agree

Now 37°3°

Cloudy

Wind: Calm; Up to 5 mph8 km/h through 11 PM
Dew point: 34°1°; Dry, static shocks likely
UV index: 4Moderate; Moderate 12–5 PM

Light rain now, through the next 2 hours.

From forecast models

Next 48 hours

4°2° cooler than this time yesterday (41°5° then, 37°3° now)

Good hours for

High 51°11° today at 3 PM
Below 40°4° tonight after 9 PM
Hard freeze tonight midnight–10 AM (low 24°−4°)
Fog tonight 3–5 AM
Below freezing Monday 4–10 AM (low 29°−2°)

This afternoonUp to 51°11° by 3 PM · Partly cloudy
TonightDown to 27°−3° by 4 AM · freezing, low 27°−3° · Clear
Tomorrow morningUp to 38°3° by 11 AM · freezing, low 24°−4° · Mostly cloudy
Tomorrow afternoonUp to 52°11° by 3 PM · Mostly cloudy
Tomorrow nightDown to 31°−1° by 5 AM · freezing, low 31°−1° · Mostly cloudy
Monday morningUp to 36°2° by 10 AM · freezing, low 29°−2° · 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 11a	Partly sunny	41°5° (likely 40°4° to 43°6°)	39°4°	0%	3 mph5 km/h from NW, gusts 3 mph4 km/h	89%	52%	2
Sat 12p	Mostly sunny	44°7° (likely 43°6° to 47°8°)	44°7°	0%	2 mph3 km/h from NW, gusts 4 mph6 km/h	86%	25%	4
Sat 1p	Sunny	46°8° (likely 46°8° to 50°10°)	46°8°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	83%	19%	4
Sat 2p	Mostly sunny	49°9° (likely 49°9° to 52°11°)	49°9°	0%	1 mph2 km/h from WNW, gusts 7 mph11 km/h	69%	32%	4
Sat 3p	Mostly sunny	51°11° (likely 50°10° to 53°12°)	51°11°	0%	1 mph2 km/h from WNW, gusts 5 mph8 km/h	61%	29%	4
Sat 4p	Mostly sunny	51°11° (likely 50°10° to 53°12°)	51°11°	0%	2 mph3 km/h from NNW, gusts 5 mph7 km/h	57%	17%	3
Sat 5p	Sunny	51°11° (likely 50°10° to 52°11°)	51°11°	0%	3 mph5 km/h from NNW, gusts 5 mph8 km/h	61%	10%	2
Sat 6p	Clear	49°9° (likely 46°8° to 49°9°)	48°9°	0%	3 mph5 km/h from N, gusts 6 mph9 km/h	70%	6%	1
Sat 7p	Clear	45°7° (likely 43°6° to 45°7°)	43°6°	0%	5 mph8 km/h from ENE, gusts 6 mph9 km/h	79%	6%	0
Sat 8p	Clear	40°4° (likely 40°4° to 43°6°)	38°3°	0%	3 mph5 km/h from SE, gusts 5 mph7 km/h	85%	3%	0
Sat 9p	Clear	37°3° (likely 36°2° to 42°6°)	34°1°	0%	3 mph5 km/h from SE, gusts 3 mph5 km/h	94%	2%	0
Sat 10p	Clear	35°2° (likely 34°1° to 40°4°)	32°0°	0%	3 mph5 km/h from SE, gusts 2 mph3 km/h	98%	0%	0
Sat 11p	Clear	33°1° (likely 32°0° to 40°4°)	33°1°	0%	2 mph3 km/h from SE, gusts 2 mph4 km/h	100%	0%	0
Sun 12a	Clear	32°0° (likely 30°−1° to 38°3°)	32°0°	0%	2 mph3 km/h from SE, gusts 3 mph5 km/h	100%	0%	0
Sun 1a	Clear	31°−1° (likely 29°−2° to 38°3°)	31°−1°	0%	1 mph2 km/h from SSE, gusts 2 mph4 km/h	100%	1%	0
Sun 2a	Clear	30°−1° (likely 28°−2° to 37°3°)	30°−1°	0%	1 mph2 km/h from SSE, gusts 2 mph3 km/h	100%	41%	0
Sun 3a	Fog	29°−2° (likely 27°−3° to 36°2°)	29°−2°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	100%	39%	0
Sun 4a	Fog	27°−3° (likely 27°−3° to 36°2°)	27°−3°	0%	2 mph3 km/h from SSE, gusts 2 mph3 km/h	100%	26%	0
Sun 5a	Cloudy	27°−3° (likely 27°−3° to 35°2°)	27°−3°	0%	2 mph3 km/h from SSE, gusts 2 mph4 km/h	100%	66%	0
Sun 6a	Cloudy	26°−3° (likely 26°−3° to 35°2°)	26°−3°	0%	2 mph3 km/h from ESE, gusts 3 mph4 km/h	100%	64%	0
Sun 7a	Mostly clear	24°−4° (likely 24°−4° to 35°2°)	24°−4°	0%	1 mph2 km/h from S, gusts 2 mph4 km/h	100%	44%	0
Sun 8a	Cloudy	26°−3° (likely 26°−3° to 35°2°)	22°−6°	0%	3 mph5 km/h from SSE, gusts 2 mph4 km/h	100%	73%	0
Sun 9a	Cloudy	29°−2° (likely 29°−2° to 36°2°)	25°−4°	0%	3 mph5 km/h from SSE, gusts 5 mph8 km/h	100%	76%	0
Sun 10a	Cloudy	34°1° (likely 34°1° to 41°5°)	34°1°	0%	1 mph2 km/h from SSE, gusts 2 mph4 km/h	100%	71%	1
Sun 11a	Cloudy	38°3° (likely 38°3° to 45°7°)	38°3°	5%	1 mph2 km/h from W, gusts 3 mph4 km/h	94%	66%	2
Sun 12p	Cloudy	43°6° (likely 43°6° to 49°9°)	43°6°	5%	1 mph2 km/h from W, gusts 3 mph5 km/h	83%	61%	3
Sun 1p	Cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	5%	2 mph3 km/h from S, gusts 4 mph6 km/h	75%	79%	4
Sun 2p	Partly sunny	50°10° (likely 50°10° to 54°12°)	50°10°	5%	2 mph3 km/h from S, gusts 4 mph7 km/h	65%	73%	4
Sun 3p	Mostly cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	5%	2 mph3 km/h from S, gusts 5 mph8 km/h	59%	69%	4
Sun 4p	Mostly cloudy	52°11° (likely 51°11° to 56°13°)	52°11°	5%	2 mph3 km/h from NW, gusts 4 mph7 km/h	58%	61%	2
Sun 5p	Partly sunny	50°10° (likely 50°10° to 55°13°)	49°9°	5%	3 mph5 km/h from E, gusts 6 mph9 km/h	66%	71%	1
Sun 6p	Partly cloudy	49°9° (likely 48°9° to 52°11°)	48°9°	10%	3 mph5 km/h from S, gusts 6 mph10 km/h	74%	83%	0
Sun 7p	Mostly cloudy	46°8° (likely 44°7° to 49°9°)	46°8°	5%	2 mph3 km/h from NNE, gusts 5 mph8 km/h	82%	61%	0
Sun 8p	Cloudy	42°6° (likely 41°5° to 47°8°)	42°6°	5%	2 mph3 km/h from SE, gusts 4 mph6 km/h	87%	89%	0
Sun 9p	Cloudy	40°4° (likely 38°3° to 46°8°)	38°3°	5%	3 mph5 km/h from SSE, gusts 5 mph8 km/h	93%	85%	0
Sun 10p	Mostly clear	39°4° (likely 36°2° to 44°7°)	37°3°	0%	3 mph5 km/h from SSE, gusts 4 mph7 km/h	96%	63%	0
Sun 11p	Partly cloudy	37°3° (likely 34°1° to 43°6°)	33°1°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	100%	63%	0
Mon 12a	Partly cloudy	36°2° (likely 33°1° to 42°6°)	33°1°	0%	3 mph5 km/h from SE, gusts 3 mph5 km/h	100%	48%	0
Mon 1a	Partly cloudy	35°2° (likely 35°2° to 41°5°)	32°0°	0%	3 mph5 km/h from SE, gusts 3 mph5 km/h	100%	25%	0
Mon 2a	Partly cloudy	35°2° (likely 34°1° to 39°4°)	32°0°	0%	3 mph5 km/h from SE, gusts 4 mph6 km/h	100%	61%	0
Mon 3a	Partly cloudy	33°1° (likely 33°1° to 38°3°)	30°−1°	0%	3 mph5 km/h from SE, gusts 6 mph9 km/h	100%	62%	0
Mon 4a	Mostly cloudy	32°0° (likely 32°0° to 38°3°)	29°−2°	0%	3 mph5 km/h from SE, gusts 5 mph8 km/h	100%	67%	0
Mon 5a	Mostly cloudy	31°−1° (likely 31°−1° to 39°4°)	28°−2°	0%	3 mph5 km/h from SE, gusts 5 mph8 km/h	100%	67%	0
Mon 6a	Partly cloudy	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	100%	66%	0
Mon 7a	Mostly cloudy	30°−1° (likely 30°−1° to 40°4°)	30°−1°	0%	2 mph3 km/h from SE, gusts 2 mph3 km/h	100%	60%	0
Mon 8a	Mostly cloudy	31°−1° (likely 31°−1° to 39°4°)	31°−1°	0%	3 mph5 km/h from SE, gusts 2 mph4 km/h	100%	57%	0
Mon 9a	Mostly cloudy	32°0° (likely 32°0° to 42°6°)	29°−2°	0%	3 mph5 km/h from SE, gusts 3 mph5 km/h	100%	47%	0
Mon 10a	Partly sunny	36°2° (likely 36°2° to 47°8°)	36°2°	0%	2 mph3 km/h from SSE, gusts 4 mph6 km/h	97%	48%	1

Days ahead

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

Today, Oct 24. Mostly sunny. High 51°11°, low 23°−5°. Typical 52°11° / 23°−5°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 51°11°
  Dry
2. Evening
  6 PM–midnight
  Clear, 40°4°
  Dry
3. Overnight
  midnight–6 AM
  Fog, 27°−3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 51. Northwest wind around 3 mph.
Tonight: Widespread fog after 9pm. Mostly clear. Low around 23, with temperatures rising to around 27 overnight. Southeast wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–53°12°
Low, likely
23°−5°–35°2°
Typical high / low
52°11° / 23°−5°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 52°11°, low 28°−2°. Typical 51°11° / 23°−5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 31°−1°
  Dry
Official NWS forecast
Day: Widespread fog before noon. Mostly sunny, with a high near 52. South wind around 3 mph.
Night: Mostly cloudy, with a low around 28. Southeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
26°−3°–35°2°
Typical high / low
51°11° / 23°−5°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 54°12°, low 27°−3°. Typical 51°11° / 23°−5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  40% chance · 0.2 in0.6 cm
4. Overnight
  midnight–6 AM
  Showers, 35°2°
  70% chance · 0.9 in2.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 54. South wind 1 to 5 mph.
Night: A chance of rain showers before midnight, then rain and snow showers. Mostly cloudy, with a low around 27. South wind 3 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
27°−3°–37°3°
Typical high / low
51°11° / 23°−5°
Wind
9 mph14 km/h, gusts 32 mph51 km/h
UV peak
4
Tuesday, Oct 27. Snow. High 43°6°, low 22°−6°. Typical 50°10° / 22°−6°. Snow 0–4 in0–10 cm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 34°1°
  60% chance · 0.1 in0.3 cm
2. Afternoon
  noon–6 PM
  Drizzle, 42°5°
  60% chance
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 30°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow showers likely. Mostly cloudy, with a high near 43. Southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Night: Partly cloudy, with a low around 22.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
40°4°–43°6°
Low, likely
22°−6°–34°1°
Typical high / low
50°10° / 22°−6°
Wind
13 mph21 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 49°9°, low 27°−3°. Typical 50°10° / 22°−6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 49.
Night: Partly cloudy, with a low around 27.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–50°10°
Low, likely
26°−3°–31°−1°
Typical high / low
50°10° / 22°−6°
Wind
8 mph14 km/h, gusts 20 mph32 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 52°11°, low 30°−1°. Typical 49°9° / 22°−6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°5°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 37°3°
  40% chance · 0.03 in0.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 52.
Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–55°13°
Low, likely
27°−3°–33°1°
Typical high / low
49°9° / 22°−6°
Wind
9 mph15 km/h, gusts 24 mph39 km/h
UV peak
3
Friday, Oct 30. Snow. High 50°10°, low 28°−2°. Typical 49°9° / 22°−6°. Snow 0.22 in5.6 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  40% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  50% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 38°3°
  50% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 35°2°
  50% chance · 0.03 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow showers likely. Mostly cloudy, with a high near 50.
Night: Rain and snow showers likely before midnight, then rain and snow showers likely. Mostly cloudy, with a low around 28.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
41°5°–50°10°
Low, likely
28°−2°–37°3°
Typical high / low
49°9° / 22°−6°
Wind
13 mph21 km/h, gusts 26 mph41 km/h
UV peak
2
Saturday, Oct 31. Snow. High 39°4°, low 26°−3°. Typical 48°9° / 21°−6°. Snow 0–2 in0–5 cm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 34°1°
  50% chance · 0.3 in0.8 cm
2. Afternoon
  noon–6 PM
  Cloudy, 38°3°
  50% chance · 0.1 in0.3 cm
3. Evening
  6 PM–midnight
  Mostly clear, 30°−1°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
37°3°–42°6°
Low, likely
22°−6°–34°1°
Typical high / low
48°9° / 21°−6°
Wind
6 mph9 km/h, gusts 21 mph33 km/h
UV peak
3
Sunday, Nov 1. Mostly sunny. High 40°4°, low 23°−5°. Typical 48°9° / 21°−6°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 27°−3°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 40°5°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 32°0°
  30% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 27°−3°
  20% chance · 0.3 in0.8 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
37°3°–44°7°
Low, likely
16°−9°–33°1°
Typical high / low
48°9° / 21°−6°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Monday, Nov 2. Snow. High 41°5°, low 24°−4°. Typical 47°8° / 21°−6°. Snow 0–3 in0–8 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 30°−1°
  30% chance · 0.4 in0.9 cm
2. Afternoon
  noon–6 PM
  Drizzle, 40°5°
  30% chance · 0.3 in0.8 cm
3. Evening
  6 PM–midnight
  Drizzle, 34°1°
  20% chance · 0.04 in1 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
18°−8°–28°−2°
Typical high / low
47°8° / 21°−6°
Wind
5 mph9 km/h, gusts 20 mph31 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 51°, low 23°.
Tomorrow
Dry, high 52°, low 28°.
Monday
Dry, high 54°, low 27°.
Rest of week
Highs 39–52°; chance of precipitation on Tuesday, Friday, Saturday.

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

Salt River (WY) near Etna

11 mi

Below flood stage

Level: 1.9 ft
Flow: 471 cfs

Forecast peak 1.9 ft Sat 12 PM

Reading from Sat 10:30 AM · NWS gauge page

Greys River near Alpine

15 mi

Level: 1.4 ft
Flow: 305 cfs

Reading from Sat 10:30 AM · NWS gauge page

Crow Creek near Fairview

17 mi

Below flood stage

Level: 2.3 ft
Flow: 51 cfs

Reading from Sat 10:45 AM · NWS gauge page

Snake River near Alpine

20 mi

Level: 3.1 ft
Flow: 2,040 cfs

Reading from Sat 11:30 AM · NWS gauge page

For your home

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

Heating this week

About 74% less heating than a typical week.

This week 53Typical 201

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

Comfort

Dry air outside (dew point 34°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?

Afton · official normals 1991–2020 · records 1957–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Thayne 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: 5:47–6:44 PM; Morning 7:30–8:28 AM
Blue hour: 6:44–6:56 PM; Morning 7:19–7:30 AM; first light 7:19 AM

Stars tonight? Fair

Mostly clear 6:56 PM–2 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:05 AM · rises 5:27 PM
Full moon: Oct 25
New moon: Nov 9

Looking east from Thayne. The highest point on the skyline is about 10,600 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.