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Excessive Heat Spreads East; Many Areas with Heavy Rain Threats

Hot and muggy conditions are forecast to continue across the Midwest and Northeast, while spreading eastward. A frontal boundary bringing very heavy rains to the Upper Midwest will sag southward bringing cooler temperatures to areas to the north, including the city of Chicago. Heavy rains will also be possible along the Texas Gulf Coast from a tropical disturbance. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fog

49°F

9°C

Humidity 93%
Wind Speed NE 13 G 23 mph
Barometer 30.12 in (1016.8 mb)
Dewpoint 47°F (8°C)
Visibility 0.50 mi
Wind Chill44°F (7°C)
Last update 17 Jun 8:53 pm MDT
Extended Forecast for

Keystone SD

  • Tonight

    Tonight: Showers likely with areas of drizzle.  Areas of fog.  Otherwise, cloudy, with a low around 48. North wind 5 to 7 mph.  Chance of precipitation is 70%.

    Showers
    Likely and
    Areas Fog

    Low: 48 °F

  • Monday

    Monday: Periods of showers, mainly before noon.  Patchy fog before 9am. High near 56. Northeast wind around 8 mph.  Chance of precipitation is 90%.

    Showers and
    Patchy Fog
    then Chance
    Showers

    High: 56 °F

  • Monday
    Night

    Monday Night: A chance of showers, with thunderstorms also possible after 3am.  Cloudy, with a low around 50. East wind 3 to 8 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 50 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 64. East wind 3 to 7 mph.

    Chance
    Showers then
    Chance
    T-storms

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 54. Northeast wind 5 to 7 mph.  Chance of precipitation is 70%.

    Showers
    Likely

    Low: 54 °F

  • Wednesday

    Wednesday: Showers likely before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon.  Cloudy, with a high near 62. Northeast wind around 7 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 52 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 68.

    Chance
    Showers

    High: 68 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Mostly Cloudy

    Low: 52 °F

Detailed Forecast

Tonight
Showers likely with areas of drizzle. Areas of fog. Otherwise, cloudy, with a low around 48. North wind 5 to 7 mph. Chance of precipitation is 70%.
Monday
Periods of showers, mainly before noon. Patchy fog before 9am. High near 56. Northeast wind around 8 mph. Chance of precipitation is 90%.
Monday Night
A chance of showers, with thunderstorms also possible after 3am. Cloudy, with a low around 50. East wind 3 to 8 mph. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 64. East wind 3 to 7 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.
Wednesday
Showers likely before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 62. Northeast wind around 7 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Keystone SD
 43.89°N 103.43°W (Elev. 4541 ft)
9:31 pm MDT Jun 17, 2018
9pm MDT Jun 17, 2018-6pm MDT Jun 24, 2018
 
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