Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy

59°F

15°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 29.79 in (1006.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 10:52 pm MDT
Extended Forecast for

2 Miles ESE New Underwood SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 56. East wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon.  Patchy fog before 9am. High near 65. East wind 11 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%.

    High: 65 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Cloudy, with a low around 50. North wind 11 to 16 mph becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Cloudy

  • Monday

    Monday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 73. Southeast wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am.  Mostly cloudy, with a low around 52. East wind 6 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Breezy, with a north wind 15 to 21 mph, with gusts as high as 33 mph.

    High: 74 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Breezy.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before noon.  Mostly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after midnight.  Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. East wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers, with thunderstorms also possible after noon. Patchy fog before 9am. High near 65. East wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, with a low around 50. North wind 11 to 16 mph becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Monday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 73. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 52. East wind 6 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 74. Breezy, with a north wind 15 to 21 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 48. Breezy.
Wednesday
A slight chance of showers before noon. Mostly sunny, with a high near 73.
Wednesday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 51.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. Breezy.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
11:32 pm MDT Jun 20, 2026
11pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database