I-90 weather conditions near Keystone, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 62°F 2024-06-29T10:53:00-06:00
Today 2024-06-29, Sunny. Sunny, with a high near 68. East wind 3 to 5 mph.
Tonight 2024-06-29, Mostly Clear. Mostly clear, with a low around 52. South wind 3 to 5 mph.
Sunday 2024-06-30, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. South wind 5 to 8 mph, with gusts as high as 17 mph.
Sunday Night 2024-06-30, Slight Chance T-storms then Partly Cloudy. A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday 2024-07-01, Mostly Sunny then Chance T-storms. A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind around 5 mph becoming light and variable in the morning.
Monday Night 2024-07-01, Chance T-storms then Chance Showers. A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Light and variable wind.
Tuesday 2024-07-02, Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72. Northwest wind 3 to 5 mph.
Tuesday Night 2024-07-02, Mostly Clear. Mostly clear, with a low around 54. Light west wind.
Wednesday 2024-07-03, Chance T-storms. A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 74.
Wednesday Night 2024-07-03, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Independence Day 2024-07-04, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Thursday Night 2024-07-04, Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday 2024-07-05, Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Current condition: Fair 62°F 2024-06-29T10:53:00-06:00 
Today 2024-06-29, Sunny. Sunny, with a high near 68. East wind 3 to 5 mph.
Tonight 2024-06-29, Mostly Clear. Mostly clear, with a low around 52. South wind 3 to 5 mph.Sunday 2024-06-30, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. South wind 5 to 8 mph, with gusts as high as 17 mph.
Sunday Night 2024-06-30, Slight Chance T-storms then Partly Cloudy. A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday 2024-07-01, Mostly Sunny then Chance T-storms. A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind around 5 mph becoming light and variable in the morning.
Monday Night 2024-07-01, Chance T-storms then Chance Showers. A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Light and variable wind.
Tuesday 2024-07-02, Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72. Northwest wind 3 to 5 mph.
Wednesday 2024-07-03, Chance T-storms. A chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 74.Wednesday Night 2024-07-03, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Independence Day 2024-07-04, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Thursday Night 2024-07-04, Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.