GREYBULL, WY 82426 Weather Forecast & Current Conditions

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SOUTH BIG HORN, WY
Current Weather

12:53 AM MDT SEP 17, 2026
Clear
57°F
Feels Like: 55°F
Dewpoint: 37°F
Rel. Hum.: 47%
Visibility: 10 miles
Wind: NW at 8 mph
Pressure: 30.23 inches
Last 72 hours

Local Area Snow Depth

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GREYBULL, WY 82426
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows in the upper 40s. West winds around 10 mph.
THURSDAY
Mostly cloudy. A slight chance of. Highs in the upper 70s. South winds 10 to 15 mph.
THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. South winds around 10 mph.
FRIDAY
Partly cloudy. Showers likely with a slight chance of thunderstorms in the afternoon. Highs around 80. South winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 60 percent.
FRIDAY NIGHT
Showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
SATURDAY
Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 80 percent.
SATURDAY NIGHT
Showers likely. A chance of thunderstorms, mainly in the evening. Lows around 50. Chance of rain 60 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 70. Chance of rain 40 percent.
SUNDAY NIGHT
Mostly clear. Lows around 50.
MONDAY
Mostly sunny. Highs in the mid 70s.
MONDAY NIGHT
Mostly clear. Lows in the upper 40s.
TUESDAY
Mostly sunny. Highs in the upper 70s.
TUESDAY NIGHT
Mostly clear. Lows in the upper 40s.

Visible Weather Satellite
GREYBULL, WY 82426
Infrared Weather Satellite
GREYBULL, WY 82426
NEXRAD Weather Radar
GREYBULL, WY 82426

SOUTH BIG HORN, WY 3 hourly weather forecast

weather forecast created  8:00 PM EDT  9/16/2026
Thursday
17 SEP 2026
GREYBULL, WY 82426 weather forecast Day 1, 0 hours 12 AM 57° 56° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   6 53% 40°
Low 48° GREYBULL, WY 82426 weather forecast Day 1, 3 hours 3 AM 53° 53° Mostly Cloudy WSW   2 64% 41°
High 81° GREYBULL, WY 82426 weather forecast Day 1, 6 hours 6 AM 49° 49° Mostly Cloudy 3%

0% Thunder
( 3% severe)
  CALM 74% 41°

Mostly Cloudy



GREYBULL, WY 82426 weather forecast Day 1, 9 hours 9 AM 56° 56° Mostly Cloudy   CALM 57% 41°
GREYBULL, WY 82426 weather forecast Day 1, 12 hours 12 PM 69° 69° Mostly Cloudy 7%

0% Thunder
( 11% severe)
SSE   6 36% 41°
GREYBULL, WY 82426 weather forecast Day 1, 15 hours 3 PM 75° 75° Mostly Cloudy SSE   9 34% 45°
GREYBULL, WY 82426 weather forecast Day 1, 18 hours 6 PM 78° 78° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 11% severe)
SSE   7 36% 49°
GREYBULL, WY 82426 weather forecast Day 1, 21 hours 9 PM 69° 69° Mostly Cloudy NNE   6 49% 49°
Friday
18 SEP 2026
GREYBULL, WY 82426 weather forecast Day 2, 0 hours 12 AM 64° 65° Partly Cloudy 2%

0% Thunder
( 3% severe)
SSE   5 63% 51°
Low 52° GREYBULL, WY 82426 weather forecast Day 2, 3 hours 3 AM 59° 60° Partly Cloudy ESE   2 75% 51°
High 84° GREYBULL, WY 82426 weather forecast Day 2, 6 hours 6 AM 55° 55° Partly Cloudy 2%

0% Thunder
( 4% severe)
  CALM 86% 51°

Partly Cloudy



GREYBULL, WY 82426 weather forecast Day 2, 9 hours 9 AM 61° 62° Partly Cloudy   CALM 67% 50°
GREYBULL, WY 82426 weather forecast Day 2, 12 hours 12 PM 74° 74° Partly Cloudy 9%

0% Thunder
( 22% severe)
SSE   3 43% 50°
GREYBULL, WY 82426 weather forecast Day 2, 15 hours 3 PM 80° 79° Mostly Cloudy S   3 33% 48°
GREYBULL, WY 82426 weather forecast Day 2, 18 hours 6 PM 77° 78° Partly Cloudy 78%
RAIN
***
0% Thunder
( 25% severe)
NNW   10 39% 50°
GREYBULL, WY 82426 weather forecast Day 2, 21 hours 9 PM 67° 67° Mostly Cloudy NNE   10 59% 52°

SOUTH BIG HORN, WY extended weather forecast

Saturday
19 SEP 2026
Sunday
20 SEP 2026
Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Low 54° Low 49° Low 48° Low 46° Low 47°
High 74° High 69° High 78° High 82° High 82°
GREYBULL, WY 82426 weather forecast Day 3 GREYBULL, WY 82426 weather forecast Day 4 GREYBULL, WY 82426 weather forecast Day 5 GREYBULL, WY 82426 weather forecast Day 6 GREYBULL, WY 82426 weather forecast Day 7
Overcast
84% Rain
Overcast
65% Rain
Partly Cloudy
17% Rain
Clear
9% Rain
Partly Cloudy
12% Rain
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