| NWS Forecast for: Casper WY Issued by: National Weather Service Riverton, WY Last Update: 3:48 pm MST Jan 18, 2026 |  |
| This Afternoon: Partly sunny, with a high near 40. North wind around 13 mph, with gusts as high as 20 mph. Tonight: Cloudy, then gradual clearing toward daybreak, with a low around 16. Northeast wind around 6 mph becoming light and variable. M.L.King Day: Sunny, with a high near 39. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph. Monday Night: Partly cloudy, with a low around 24. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 23 mph. Tuesday: Partly sunny, with a high near 42. Breezy, with a southwest wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Tuesday Night: Mostly clear, with a low around 20. West southwest wind around 11 mph. Wednesday: Mostly sunny, with a high near 36. West wind 10 to 14 mph, with gusts as high as 22 mph. Wednesday Night: Partly cloudy, with a low around 20. Thursday: Partly sunny, with a high near 45. Thursday Night: Mostly cloudy, with a low around 20. Friday: Mostly cloudy, with a high near 32. Friday Night: A slight chance of snow showers. Mostly cloudy, with a low around 13. Saturday: Partly sunny, with a high near 31. | |
| Casper WY 42.85°N 106.34°W (Elev. 5154 ft) | |
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