I-90 weather conditions near New Underwood, South Dakota

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 49°F 2025-10-16T04:52:00-06:00
• Today 2025-10-16, Chance Showers and Areas Fog. A chance of showers and thunderstorms between 9am and noon, then a chance of showers after noon. Areas of fog before noon. Otherwise, cloudy, with a high near 60. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
• Tonight 2025-10-16, Partly Cloudy. Partly cloudy, with a low around 39. Northwest wind 7 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
• Friday 2025-10-17, Mostly Sunny. Mostly sunny, with a high near 68. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
• Friday Night 2025-10-17, Mostly Cloudy then Chance Showers. A 30 percent chance of showers after midnight. Increasing clouds, with a low around 40. Northwest wind 9 to 18 mph, with gusts as high as 29 mph.
• Saturday 2025-10-18, Breezy. Chance Showers then Sunny. A 30 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 56. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 38 mph.
• Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 32. Northwest wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
• Sunday 2025-10-19, Sunny. Sunny, with a high near 71. South wind 8 to 15 mph, with gusts as high as 24 mph.
• Sunday Night 2025-10-19, Mostly Clear then Partly Cloudy and Breezy. Partly cloudy, with a low around 45. Breezy, with a south wind 13 to 20 mph becoming west after midnight. Winds could gust as high as 32 mph.
• Monday 2025-10-20, Mostly Sunny and Breezy. Mostly sunny, with a high near 63. Breezy.
• Monday Night 2025-10-20, Partly Cloudy and Breezy then Slight Chance Showers. A slight chance of showers after midnight. Partly cloudy, with a low around 36. Breezy.
• Tuesday 2025-10-21, Sunny. Sunny, with a high near 58.
• Tuesday Night 2025-10-21, Partly Cloudy. Partly cloudy, with a low around 36.
• Wednesday 2025-10-22, Mostly Sunny then Sunny and Breezy. Sunny, with a high near 61. Breezy.