GREYBULL, WY 82426 Weather Forecast & Current Conditions

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82426 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SOUTH BIG HORN, WY Current Weather
5:53 PM MDT JUL 18, 2026
Clear 91°F
Feels Like:	89°F
Dewpoint:	55°F
Rel. Hum.:	30%
Visibility:	10 miles
Wind:	SSW at 8 mph
Pressure:	30.00 inches
Last 72 hours
Local Area Snow Depth
Wyoming Current Weather
Wyoming MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

82426 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	GREYBULL, WY 82426 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly cloudy with a chance of showers and thunderstorms. Patchy smoke. Some thunderstorms may produce heavy rainfall. Highs around 90. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

TONIGHT
Patchy smoke in the evening. Cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph, becoming south after midnight. Chance of rain 40 percent.

THURSDAY
Partly cloudy in the morning, then clearing. A slight chance of. Patchy smoke in the afternoon. Highs around 90. North winds around 10 mph in the afternoon.

THURSDAY NIGHT
Mostly clear. Lows in the lower 60s. Southeast winds around 10 mph after midnight.

FRIDAY
Sunny, hot with highs in the mid 90s. West winds around 10 mph with gusts up to 20 mph in the afternoon.

FRIDAY NIGHT
Mostly clear. Lows in the mid 60s.

SATURDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 100. Chance of rain 30 percent.

SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 60s.

SUNDAY
Sunny. A slight chance of. Hot with highs around 100.

SUNDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 60s.

MONDAY
Mostly sunny. A slight chance of. Hot with highs in the mid 90s.

MONDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of rain 20 percent.

TUESDAY
Mostly sunny. A slight chance of. Hot with highs in the mid 90s.

82426 WEATHER SATELLITE LOOPS

Visible Weather Satellite
GREYBULL, WY 82426

Infrared Weather Satellite
GREYBULL, WY 82426

82426 WEATHER RADAR LOOP

NEXRAD Weather Radar
GREYBULL, WY 82426

MOS COMPUTER WEATHER FORECAST

SOUTH BIG HORN, WY 3 hourly weather forecast

weather forecast created 8:00 AM EDT 7/22/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
22 JUL 2026

12 PM

84°

83°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 38% severe)

NW 5

38%

56°

High 91°

3 PM

90°

88°

Mostly Cloudy

NW 7

30%

54°

Mostly Cloudy

Chance of Rain

6 PM

89°

87°

Mostly Cloudy

49%
RAIN
.25–.5 in

0% Thunder
( 37% severe)

NW 13

32%

55°

9 PM

81°

81°

Mostly Cloudy

WNW 9

47%

59°

Thursday
23 JUL 2026

12 AM

75°

75°

Mostly Cloudy

39%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

SW 7

62%

61°

Low 64°

3 AM

71°

71°

Mostly Cloudy

SE 3

73%

62°

High 92°

6 AM

67°

67°

Mostly Cloudy

25%
RAIN
.25–.5 in

0% Thunder
( 11% severe)

CALM

87%

63°

Mostly Cloudy

Chance of Rain

9 AM

73°

73°

Mostly Cloudy

CALM

73%

64°

12 PM

82°

83°

Partly Cloudy

8%

0% Thunder
( 32% severe)

NNW 2

51%

62°

3 PM

88°

87°

Partly Cloudy

N 3

38%

59°

6 PM

90°

88°

Partly Cloudy

1%

0% Thunder
( 19% severe)

NNW 5

32%

56°

9 PM

83°

83°

Partly Cloudy

ESE 2

43%

58°

Friday
24 JUL 2026

12 AM

77°

79°

Partly Cloudy

0%

0% Thunder
( 6% severe)

ESE 5

54%

59°

Low 64°

3 AM

72°

72°

Partly Cloudy

ESE 7

61%

58°

High 100°

6 AM

67°

67°

Clear

0%

0% Thunder
( 3% severe)

SE 3

73%

58°

Clear

9 AM

77°

79°

Clear

SSE 5

58%

61°

12 PM

89°

88°

Clear

1%

0% Thunder
( 22% severe)

SSW 6

35%

58°

3 PM

97°

94°

Clear

WSW 5

21%

50°

6 PM

98°

94°

Partly Cloudy

NW 8

18%

47°


SOUTH BIG HORN, WY extended weather forecast
Saturday 25 JUL 2026	Sunday 26 JUL 2026	Monday 27 JUL 2026	Tuesday 28 JUL 2026	Wednesday 29 JUL 2026
Low 65°	Low 62°	Low 63°	Low 59°	Low 61°
High 104°	High 102°	High 96°	High 94°	High 99°

Partly Cloudy 23% Rain	Partly Cloudy 30% Rain	Partly Cloudy 8% Rain	Clear 4% Rain	Partly Cloudy 15% Rain

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