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Greybull, WY 82426 Weather

It is 48°F and clear in Greybull, WY 82426, observed at 12:30 PM MDT. Today: Mostly Sunny, high 58°F, low 31°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Greybull, WY 82426 current weather

48°F

Clear

H 58° / L 31°Feels like 48°

  • No rain expected in the next 12 hours

Observed at South Big Horn County Airport (1.4 mi away), 10/29/2026, 12:30 PM MDT

Hourly forecast

NWS, updated 10/29/2026, 12:16 PM PT

  1. Now48°
  2. 2 PM53°
  3. 3 PM56°
  4. 4 PM57°
  5. 5 PM57°
  6. 6 PM57°
  7. 7 PM54°
  8. 8 PM52°
  9. 9 PM49°
  10. 10 PM46°
  11. 11 PM45°
  12. 12 AM44°Fri
  13. 1 AM42°
  14. 2 AM41°
  15. 3 AM40°
  16. 4 AM36°
  17. 5 AM34°
  18. 6 AM33°
  19. 7 AM31°
  20. 8 AM31°
  21. 9 AM33°
  22. 10 AM38°
  23. 11 AM44°
  24. 12 PM49°
  25. 1 PM53°
  26. 2 PM56°
  27. 3 PM57°
  28. 4 PM58°
  29. 5 PM59°
  30. 6 PM56°
  31. 7 PM53°
  32. 8 PM52°
  33. 9 PM49°
  34. 10 PM47°
  35. 11 PM46°
  36. 12 AM45°Sat
  37. 1 AM43°
  38. 2 AM42°
  39. 3 AM41°
  40. 4 AM39°
  41. 5 AM38°
  42. 6 AM37°11%
  43. 7 AM35°11%
  44. 8 AM36°11%
  45. 9 AM38°11%
  46. 10 AM43°11%
  47. 11 AM48°11%
  48. 12 PM53°13%

7-day forecast

Tap a day for details

  • Today10/29Low 31°High 58°

    This Afternoon: Mostly sunny, with a high near 58. Southeast wind around 7 mph.

    Tonight: Mostly cloudy. Low around 31, with temperatures rising to around 34 overnight. North wind around 3 mph.

    Mostly Sunny
  • Fri10/30Low 35°High 59°

    Friday: Mostly sunny, with a high near 59. South southwest wind 0 to 3 mph.

    Friday Night: Partly cloudy, with a low around 35. East northeast wind around 2 mph.

    Mostly Sunny
  • Sat10/3113% chance of precipitationLow 36°High 60°

    Saturday: Mostly sunny, with a high near 60. South southeast wind around 2 mph.

    Saturday Night: Partly cloudy, with a low around 36. East wind around 2 mph.

    Mostly Sunny
  • Sun11/173% chance of precipitationLow 37°High 60°

    Sunday: Rain showers likely after 11am. Mostly cloudy, with a high near 60. Southeast wind 1 to 8 mph. Chance of precipitation is 70%.

    Sunday Night: Rain showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Rain Showers Likely
  • Mon11/243% chance of precipitationLow 32°High 53°

    Monday: A chance of rain showers before 5pm. Partly sunny, with a high near 53. Chance of precipitation is 40%.

    Monday Night: Partly cloudy, with a low around 32.

    Chance Rain Showers
  • Tue11/3Low 31°High 55°

    Tuesday: Mostly sunny, with a high near 55.

    Tuesday Night: Partly cloudy, with a low around 31.

    Mostly Sunny
  • Wed11/4Low 29°High 54°

    Wednesday: Mostly sunny, with a high near 54.

    Wednesday Night: Partly cloudy, with a low around 29.

    Mostly Sunny

Forecast for 44.538, -108.080 from the NWS RIW office, updated 10/29/2026, 12:16 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now48°Sunny0%6 mph
  2. 2 PM53°Mostly Sunny0%7 mph
  3. 3 PM56°Partly Sunny0%7 mph
  4. 4 PM57°Partly Sunny0%6 mph
  5. 5 PM57°Partly Sunny0%5 mph
  6. 6 PM57°Mostly Cloudy0%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Greybull, WY 82426 right now?
The latest observation from South Big Horn County Airport was 48°F and clear, reported at 10/29/2026, 12:30 PM MDT.
What is the high temperature today in Greybull, WY 82426?
The National Weather Service forecast for this afternoon calls for a high near 58°F. Mostly Sunny.
Will it rain in Greybull, WY 82426 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Greybull, WY 82426 today?
Sunrise is about 7:46 AM MDT and sunset is about 6:05 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Greybull, WY 82426?
At Greybull S Big Horn AP, the 1991 to 2020 normal high in October is 60°F and the normal low is 33°F.

Nearby hazards

Wyoming hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

Drought

By county

Big Horn County, week of 10/27/2026

100% of the county is in moderate drought or worse, 28% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:46 AM
Sunset
6:05 PM
Daylight
10 hr 19 min
Moon
Waning Gibbous 86% lit
First light (civil dawn)
7:16 AM
Last light (civil dusk)
6:35 PM
Moonrise
8:24 PM
Moonset
12:16 PM

Normal October weather

Climate

Normal October high 60°, low 33°, precipitation 0.60 in for the month. 1991 to 2020 normals at Greybull S Big Horn AP, 1 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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