Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fog/Mist

59°F

15°C

Humidity 90%
Wind Speed N 12 mph
Barometer 30.11 in (1017.9 mb)
Dewpoint 56°F (13°C)
Visibility 4.00 mi
Last update 15 Jul 10:52 pm MDT
Extended Forecast for

2 Miles W Box Elder SD

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am.  Patchy fog. Low around 52. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  Areas of smoke before noon. Areas of fog. High near 60. Northeast wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    High: 60 °F

    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before midnight.  Patchy fog before 9pm.  Otherwise, mostly cloudy, with a low around 49. Northeast wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 59. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 85. Northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog. Low around 52. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Areas of smoke before noon. Areas of fog. High near 60. Northeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of showers, mainly before midnight. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 49. Northeast wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 59. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. Northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 62.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Box Elder SD
 44.12°N 103.09°W (Elev. 3104 ft)
11:10 pm MDT Jul 15, 2025
11pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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