I-90 weather conditions near Rapid City, South Dakota

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 49°F 2025-11-18T12:52:00-07:00
• This Afternoon 2025-11-18, Patchy Fog. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 49. South wind 6 to 8 mph, with gusts as high as 18 mph.
• Tonight 2025-11-18, Patchy Fog then Mostly Cloudy. Patchy fog before 11pm. Otherwise, mostly cloudy, with a low around 37. South wind around 6 mph.
• Wednesday 2025-11-19, Mostly Sunny. Mostly sunny, with a high near 57. North wind 7 to 14 mph, with gusts as high as 23 mph.
• Wednesday Night 2025-11-19, Partly Cloudy. Partly cloudy, with a low around 32. Northwest wind 5 to 9 mph, with gusts as high as 17 mph.
• Thursday 2025-11-20, Sunny. Sunny, with a high near 53. West wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
• Thursday Night 2025-11-20, Mostly Clear. Mostly clear, with a low around 31. South wind around 6 mph becoming west after midnight.
• Friday 2025-11-21, Sunny. Sunny, with a high near 59. West wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
• Friday Night 2025-11-21, Mostly Clear. Mostly clear, with a low around 35. West wind around 8 mph, with gusts as high as 16 mph.
• Saturday 2025-11-22, Sunny. Sunny, with a high near 58.
• Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 32.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 60.
• Sunday Night 2025-11-23, Mostly Clear. Mostly clear, with a low around 33.
• Monday 2025-11-24, Mostly Sunny. Mostly sunny, with a high near 56.