National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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Lead SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 70%

Heavy
Rain

High: 21 °C

Tonight

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 7 °C

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 16 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 6 °C

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 17 °C

Monday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 8 °C

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 17 °C

Tuesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 7 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 21 °C

Detailed Forecast

  • Today Showers and thunderstorms likely, mainly before 5pm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 21. East wind around 14 km/h becoming west in the afternoon. Chance of precipitation is 70%.
  • Tonight A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 7. Northwest wind 13 to 18 km/h becoming west 19 to 24 km/h after midnight. Winds could gust as high as 34 km/h.
  • Sunday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 16. West wind 24 to 29 km/h, with gusts as high as 40 km/h.
  • Sunday Night Partly cloudy, with a low around 6. Northwest wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 34 km/h.
  • Monday A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 17. Northwest wind 10 to 13 km/h becoming southeast in the morning.
  • Monday Night Showers and thunderstorms likely. Cloudy, with a low around 8. East wind around 14 km/h. Chance of precipitation is 60%.
  • Tuesday A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 17.
  • Tuesday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 7.
  • Wednesday Mostly sunny, with a high near 21.
  • Wednesday Night Partly cloudy, with a low around 9.
  • Thursday Mostly sunny, with a high near 24.
  • Thursday Night Partly cloudy, with a low around 11.
  • Friday Mostly sunny, with a high near 26.