I-90 weather conditions near Rapid City, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 62°F 2025-06-14T02:52:00-06:00
Overnight 2025-06-14, Areas Fog. Areas of fog. Otherwise, mostly cloudy, with a low around 59. East wind around 5 mph.
Saturday 2025-06-14, Areas Fog then Severe Thunderstorms. A 40 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night 2025-06-14, Severe Thunderstorms. A 50 percent chance of showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 60. South wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Sunday 2025-06-15, Mostly Sunny then Severe Thunderstorms. A 30 percent chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 87. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night 2025-06-15, Severe Thunderstorms then Chance Showers. Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday 2025-06-16, Mostly Sunny then Severe Thunderstorms. A 30 percent chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 82. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night 2025-06-16, Severe Thunderstorms then Showers Likely. Showers and thunderstorms likely before midnight, then showers likely between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Some of the storms could be severe. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday 2025-06-17, Chance Showers then T-storms. A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night 2025-06-17, T-storms Likely. Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 54.
Wednesday 2025-06-18, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Sunny, with a high near 78.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 56.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 61.
Friday 2025-06-20, Sunny. Sunny, with a high near 88.
Current condition: Overcast 62°F 2025-06-14T02:52:00-06:00 
Overnight 2025-06-14, Areas Fog. Areas of fog. Otherwise, mostly cloudy, with a low around 59. East wind around 5 mph.Saturday 2025-06-14, Areas Fog then Severe Thunderstorms. A 40 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night 2025-06-14, Severe Thunderstorms. A 50 percent chance of showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 60. South wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.Sunday 2025-06-15, Mostly Sunny then Severe Thunderstorms. A 30 percent chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 87. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night 2025-06-15, Severe Thunderstorms then Chance Showers. Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday Night 2025-06-16, Severe Thunderstorms then Showers Likely. Showers and thunderstorms likely before midnight, then showers likely between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Some of the storms could be severe. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday 2025-06-17, Chance Showers then T-storms. A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night 2025-06-17, T-storms Likely. Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 54.Wednesday 2025-06-18, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Sunny, with a high near 78.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 56.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86.