| NWS Forecast for: Mammoth Hot Springs WY Issued by: National Weather Service Riverton, WY Last Update: 8:13 pm MDT Jul 12, 2025 |  |
| Tonight: Clear, with a low around 12. West northwest wind 5 to 10 km/h becoming calm after midnight. Sunday: Sunny, with a high near 31. Light and variable wind becoming northwest 11 to 16 km/h in the afternoon. Sunday Night: Partly cloudy, with a low around 13. Northwest wind 11 to 16 km/h becoming south southwest 5 to 10 km/h after midnight. Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 32. Light and variable wind becoming west 9 to 14 km/h in the morning. Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 12. West southwest wind 8 to 13 km/h becoming north northeast in the evening. Chance of precipitation is 30%. Tuesday: Showers likely, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 27. North wind 8 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 60%. Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 10. North wind 11 to 14 km/h. Wednesday: A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 25. Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 8. Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 28. Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 10. Friday: A slight chance of showers and thunderstorms. Sunny, with a high near 29. Friday Night: Partly cloudy, with a low around 11. Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 31. | |
| Mammoth Hot Springs WY 44.98°N 110.69°W (Elev. 5745 m) | |
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