I-90 weather conditions near Belle Fourche, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 64°F 2025-06-13T21:35:00-06:00
Tonight 2025-06-13, T-storms Likely then Slight Chance Showers and Areas Fog. Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 4am. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 57. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday 2025-06-14, Areas Fog then Severe Thunderstorms. A 50 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night 2025-06-14, Severe Thunderstorms then Severe Thunderstorms and Areas Fog. A chance of showers and thunderstorms before 3am, then a slight chance of showers. Some of the storms could be severe. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Sunday 2025-06-15, Areas Fog then Chance T-storms. A 30 percent chance of showers and thunderstorms after noon. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 85. South wind 5 to 10 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night 2025-06-15, T-storms Likely. Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. East wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday 2025-06-16, Partly Sunny then Chance T-storms. A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night 2025-06-16, T-storms Likely then Showers Likely. Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 56. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday 2025-06-17, Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Tuesday Night 2025-06-17, Chance T-storms. A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 53.
Wednesday 2025-06-18, Slight Chance Showers then Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 76.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 53.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 85.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 59.
Friday 2025-06-20, Sunny. Sunny, with a high near 86.
Current condition: Fair 64°F 2025-06-13T21:35:00-06:00 Tonight 2025-06-13, T-storms Likely then Slight Chance Showers and Areas Fog. Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 4am. Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 57. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday 2025-06-14, Areas Fog then Severe Thunderstorms. A 50 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night 2025-06-14, Severe Thunderstorms then Severe Thunderstorms and Areas Fog. A chance of showers and thunderstorms before 3am, then a slight chance of showers. Some of the storms could be severe. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Sunday 2025-06-15, Areas Fog then Chance T-storms. A 30 percent chance of showers and thunderstorms after noon. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 85. South wind 5 to 10 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night 2025-06-15, T-storms Likely. Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. East wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.Monday 2025-06-16, Partly Sunny then Chance T-storms. A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night 2025-06-16, T-storms Likely then Showers Likely. Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 56. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday 2025-06-17, Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Tuesday Night 2025-06-17, Chance T-storms. A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 53.Wednesday 2025-06-18, Slight Chance Showers then Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 76.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 53.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 85.