Observed 11:25 PM MDT at KWRL

Thermopolis, WY weather

Clear and 39°4°, 9°5° colder than a typical Oct 24.

Mostly agree

Now 39°4°

Clear

Wind: Calm; Up to 7 mph11 km/h through 11 AM
Dew point: 27°−3°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Pressure: 30.24 inHg1024 hPa; Steady over the last 3 h

None rain starting around 6:15 AM.

From forecast models

Next 48 hours

Good hours for

Below freezing tonight 5–9 AM (low 31°−1°)
Low 31°−1° tomorrow at 7 AM
Above 40°4° tomorrow by 10 AM
High 51°11° tomorrow at 4 PM

TonightDown to 32°0° by 5 AM · freezing, low 32°0° · Clear
Tomorrow morningUp to 44°7° by 11 AM · freezing, low 31°−1° · Partly cloudy
Tomorrow afternoonUp to 51°11° by 4 PM · Mostly cloudy
Tomorrow nightDown to 34°1° by 5 AM · Mostly cloudy
Monday morningUp to 46°8° by 11 AM · freezing, low 32°0° · Partly cloudy
Monday afternoonUp to 56°13° by 2 PM · Clear
Monday nightDown to 45°7° by 10 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11p	Clear	39°4° (likely 38°3° to 42°6°)	34°1°	0%	7 mph11 km/h from SSE, gusts 7 mph11 km/h	58%	42%	0
Sun 12a	Clear	38°3° (likely 37°3° to 42°6°)	34°1°	0%	7 mph11 km/h from SSE, gusts 6 mph9 km/h	58%	40%	0
Sun 1a	Clear	37°3° (likely 37°3° to 41°5°)	32°0°	0%	6 mph10 km/h from S, gusts 6 mph10 km/h	60%	29%	0
Sun 2a	Mostly clear	36°2° (likely 36°2° to 40°4°)	31°−1°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	60%	11%	0
Sun 3a	Clear	35°2° (likely 35°2° to 39°4°)	29°−2°	0%	5 mph8 km/h from SW, gusts 5 mph8 km/h	62%	10%	0
Sun 4a	Clear	33°1° (likely 33°1° to 37°3°)	27°−3°	0%	3 mph5 km/h from SSW, gusts 4 mph6 km/h	63%	22%	0
Sun 5a	Clear	32°0° (likely 32°0° to 37°3°)	26°−3°	0%	3 mph5 km/h from SSW, gusts 3 mph5 km/h	65%	21%	0
Sun 6a	Clear	32°0° (likely 32°0° to 36°2°)	26°−3°	0%	2 mph3 km/h from WSW, gusts 3 mph4 km/h	67%	24%	0
Sun 7a	Clear	31°−1° (likely 31°−1° to 35°2°)	25°−4°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	70%	24%	0
Sun 8a	Partly sunny	32°0° (likely 32°0° to 36°2°)	29°−2°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	73%	21%	0
Sun 9a	Partly sunny	35°2° (likely 35°2° to 39°4°)	35°2°	0%	2 mph3 km/h from N, gusts 3 mph4 km/h	68%	31%	0
Sun 10a	Mostly cloudy	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from NNE, gusts 3 mph5 km/h	60%	65%	2
Sun 11a	Partly sunny	44°7° (likely 43°6° to 47°8°)	42°6°	0%	3 mph5 km/h from NNE, gusts 4 mph7 km/h	55%	64%	3
Sun 12p	Mostly sunny	47°8° (likely 44°7° to 50°10°)	46°8°	5%	3 mph5 km/h from NE, gusts 4 mph7 km/h	50%	58%	4
Sun 1p	Cloudy	48°9° (likely 45°7° to 53°12°)	47°8°	5%	3 mph5 km/h from NE, gusts 5 mph9 km/h	49%	65%	4
Sun 2p	Cloudy	49°9° (likely 45°7° to 55°13°)	47°8°	5%	3 mph5 km/h from NE, gusts 5 mph8 km/h	49%	68%	4
Sun 3p	Partly sunny	49°9° (likely 47°8° to 56°13°)	47°8°	5%	5 mph8 km/h from NE, gusts 4 mph7 km/h	49%	71%	3
Sun 4p	Cloudy	51°11° (likely 48°9° to 56°13°)	51°11°	5%	3 mph5 km/h from NE, gusts 4 mph6 km/h	49%	69%	2
Sun 5p	Cloudy	49°9° (likely 48°9° to 55°13°)	47°8°	5%	3 mph5 km/h from NE, gusts 7 mph11 km/h	50%	85%	1
Sun 6p	Cloudy	49°9° (likely 45°7° to 53°12°)	47°8°	5%	3 mph5 km/h from NE, gusts 10 mph16 km/h	53%	81%	0
Sun 7p	Cloudy	47°8° (likely 43°6° to 51°11°)	46°8°	5%	2 mph3 km/h from NE, gusts 9 mph15 km/h	58%	88%	0
Sun 8p	Cloudy	44°7° (likely 42°6° to 50°10°)	42°6°	5%	1 mph2 km/h from NE, gusts 8 mph13 km/h	62%	92%	0
Sun 9p	Partly cloudy	43°6° (likely 41°5° to 48°9°)	41°5°	5%	1 mph2 km/h from N, gusts 8 mph13 km/h	63%	84%	0
Sun 10p	Partly cloudy	43°6° (likely 40°4° to 45°7°)	43°6°	5%	1 mph2 km/h from WSW, gusts 7 mph11 km/h	65%	48%	0
Sun 11p	Cloudy	41°5° (likely 40°4° to 43°6°)	39°4°	5%	1 mph2 km/h from SW, gusts 5 mph8 km/h	68%	80%	0
Mon 12a	Cloudy	40°4° (likely 38°3° to 43°6°)	38°3°	0%	1 mph2 km/h from NNE, gusts 6 mph9 km/h	68%	79%	0
Mon 1a	Partly cloudy	39°4° (likely 36°2° to 42°6°)	37°3°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	72%	75%	0
Mon 2a	Cloudy	38°3° (likely 36°2° to 42°6°)	36°2°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	73%	63%	0
Mon 3a	Clear	36°2° (likely 35°2° to 41°5°)	33°1°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	77%	26%	0
Mon 4a	Clear	35°2° (likely 34°1° to 41°5°)	32°0°	0%	2 mph3 km/h from N, gusts 3 mph6 km/h	79%	25%	0
Mon 5a	Clear	34°1° (likely 33°1° to 40°4°)	31°−1°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	82%	32%	0
Mon 6a	Mostly clear	32°0° (likely 32°0° to 39°4°)	32°0°	0%	3 mph5 km/h from NNW, gusts 5 mph8 km/h	86%	44%	0
Mon 7a	Clear	33°1° (likely 33°1° to 39°4°)	33°1°	0%	3 mph5 km/h from W, gusts 4 mph7 km/h	90%	24%	0
Mon 8a	Sunny	34°1° (likely 33°1° to 40°4°)	31°−1°	0%	3 mph5 km/h from SSW, gusts 5 mph8 km/h	91%	22%	0
Mon 9a	Sunny	36°2° (likely 36°2° to 41°5°)	32°0°	0%	6 mph10 km/h from SSW, gusts 6 mph9 km/h	88%	18%	0
Mon 10a	Sunny	41°5° (likely 41°5° to 44°7°)	37°3°	0%	7 mph11 km/h from S, gusts 8 mph13 km/h	80%	24%	2
Mon 11a	Mostly sunny	46°8° (likely 45°7° to 50°10°)	42°6°	0%	8 mph13 km/h from SSE, gusts 12 mph19 km/h	69%	26%	3
Mon 12p	Mostly sunny	51°11° (likely 48°9° to 54°12°)	51°11°	0%	9 mph14 km/h from SSE, gusts 14 mph22 km/h	59%	19%	4
Mon 1p	Mostly sunny	54°12° (likely 52°11° to 57°14°)	54°12°	0%	9 mph14 km/h from SSE, gusts 15 mph23 km/h	53%	40%	4
Mon 2p	Sunny	56°13° (likely 55°13° to 59°15°)	56°13°	0%	9 mph14 km/h from SSE, gusts 14 mph22 km/h	50%	5%	4
Mon 3p	Sunny	56°13° (likely 56°13° to 60°16°)	56°13°	0%	8 mph13 km/h from SSE, gusts 14 mph22 km/h	48%	11%	4
Mon 4p	Cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	0%	6 mph10 km/h from SSE, gusts 13 mph21 km/h	48%	51%	3
Mon 5p	Mostly sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	3 mph5 km/h from SE, gusts 12 mph19 km/h	49%	18%	1
Mon 6p	Clear	54°12° (likely 52°11° to 55°13°)	54°12°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	52%	6%	0
Mon 7p	Clear	51°11° (likely 45°7° to 54°12°)	51°11°	0%	3 mph5 km/h from SSE, gusts 6 mph9 km/h	55%	4%	0
Mon 8p	Mostly clear	49°9° (likely 41°5° to 53°12°)	47°8°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	59%	8%	0
Mon 9p	Clear	46°8° (likely 38°3° to 52°11°)	42°6°	0%	7 mph11 km/h from S, gusts 7 mph10 km/h	63%	31%	0
Mon 10p	Mostly clear	45°7° (likely 37°3° to 52°11°)	41°5°	0%	8 mph13 km/h from S, gusts 7 mph11 km/h	65%	42%	0

Days ahead

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

Today, Oct 24. Fog. High 51°11°, low 30°−1°. Typical 60°16° / 30°−1°. Dry. Mostly agree.
1. Overnight
  midnight–6 AM
  Clear, 32°0°
  Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 30. South southwest wind 3 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–52°11°
Low, likely
30°−1°–38°3°
Typical high / low
60°16° / 30°−1°
Wind
16 mph26 km/h, gusts 30 mph48 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 51°11°, low 31°−1°. Typical 60°16° / 30°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 51. North wind 1 to 5 mph.
Night: Partly cloudy, with a low around 31. North northwest wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–56°13°
Low, likely
31°−1°–35°2°
Typical high / low
60°16° / 30°−1°
Wind
8 mph14 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 57°14°, low 35°2°. Typical 59°15° / 30°−1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 43°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 57. South southwest wind 3 to 9 mph.
Night: Mostly clear, with a low around 35. South wind 2 to 12 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–60°16°
Low, likely
32°0°–39°4°
Typical high / low
59°15° / 30°−1°
Wind
14 mph23 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 56°13°, low 30°−1°. Typical 59°15° / 29°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 56. Southwest wind 13 to 28 mph.
Night: Mostly clear, with a low around 30. Southwest wind 9 to 13 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–58°14°
Low, likely
30°−1°–44°7°
Typical high / low
59°15° / 29°−2°
Wind
25 mph40 km/h, gusts 38 mph61 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 58°14°, low 34°1°. Typical 58°14° / 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 58.
Night: Partly cloudy, with a low around 34.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–59°15°
Low, likely
29°−2°–42°6°
Typical high / low
58°14° / 29°−2°
Wind
10 mph16 km/h, gusts 24 mph39 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 62°17°, low 36°2°. Typical 58°14° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 42°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–63°17°
Low, likely
34°1°–42°6°
Typical high / low
58°14° / 28°−2°
Wind
13 mph21 km/h, gusts 24 mph39 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 61°16°, low 35°2°. Typical 57°14° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: A slight chance of rain showers between midnight and 3am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–66°19°
Low, likely
35°2°–45°7°
Typical high / low
57°14° / 28°−2°
Wind
9 mph14 km/h, gusts 22 mph35 km/h
UV peak
3
Saturday, Oct 31. Mostly cloudy. High 55°13°, low 39°4°. Typical 57°14° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–63°17°
Low, likely
31°−1°–47°8°
Typical high / low
57°14° / 28°−2°
Wind
11 mph18 km/h, gusts 19 mph31 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 52°11°, low 36°2°. Typical 56°13° / 27°−3°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 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°–58°14°
Low, likely
21°−6°–48°9°
Typical high / low
56°13° / 27°−3°
Wind
14 mph23 km/h, gusts 21 mph33 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 51°11°, low 33°1°. Typical 56°13° / 27°−3°. Rain 0.13 in3.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 39°4°
  30% chance · 0.06 in1.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 49°9°
  20% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  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
43°6°–61°16°
Low, likely
26°−3°–37°3°
Typical high / low
56°13° / 27°−3°
Wind
16 mph26 km/h, gusts 29 mph47 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 51°, low 30°.
Tomorrow
Dry, high 51°, low 31°.
Monday
Dry, high 57°, low 35°, warming up.
Rest of week
Mostly dry, highs 51–62°.

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

Wind River below Boysen Reservior

16 mi

Below flood stage

Level: 3.2 ft
Flow: 409 cfs

Reading from Sat 10 PM · NWS gauge page

Owl Creek at Arapahoe Ranch

17 mi

Below flood stage

Level: 1.9 ft
Flow: 55 cfs

Reading from Sat 10:30 PM · NWS gauge page

Bighorn River above Worland

24 mi

Below flood stage

Level: 1.9 ft
Flow: 831 cfs

Reading from Sat 10:45 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 44Typical 148

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 32
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 6 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 27°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?

Thermopolis · official normals 1991–2020 · records 1899–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Last 7 days vs normal

On average 12°7° warmer than normal (daily mean temperature).

+9°+5°MonOct 19
+10°+5°TueOct 20
+10°+5°WedOct 21
+15°+8°ThuOct 22
+20°+11°FriOct 23
—SatOct 24
—SunOct 25

Thermopolis weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 5:34–6:32 PM; Morning 7:20–8:18 AM
Blue hour: 6:32–6:44 PM; Morning 7:09–7:20 AM; first light 7:09 AM

Stars tonight? Fair

Mostly clear 2–7:10 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 5:54 AM · rises 5:14 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Thermopolis. The highest point on the skyline is about 13,900 ft, 29 mi away.Skyline from USGS elevation data, heights drawn up to 5.5× taller. Sky, sun and moon as they are now.

Thermopolis, WY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Wind River below Boysen Reservior

Owl Creek at Arapahoe Ranch

Bighorn River above Worland

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? Fair

Moon