National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy

22°F

-6°C

Humidity 82%
Wind Speed W 3 mph
Barometer 30.07 in (1021.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 18 Apr 4:52 am MDT
Extended Forecast for

Ellsworth Air Force Base SD

  • Today

    Today: A slight chance of snow showers before 1pm, then a slight chance of rain showers. Mostly sunny, with a high near 54. Wind chill values as low as 16 early. Breezy, with a northwest wind 9 to 14 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    High: 54 °F

    Breezy.
    Isolated Snow
    Showers then
    Isolated
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 27. Blustery, with a northwest wind 17 to 22 mph becoming light west after midnight. Winds could gust as high as 34 mph.

    Low: 27 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Light and variable wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80. South wind 7 to 14 mph becoming north in the morning. Winds could gust as high as 24 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. North wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light southwest wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 30 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon. Partly sunny, with a high near 85. Breezy.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Today
A slight chance of snow showers before 1pm, then a slight chance of rain showers. Mostly sunny, with a high near 54. Wind chill values as low as 16 early. Breezy, with a northwest wind 9 to 14 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 27. Blustery, with a northwest wind 17 to 22 mph becoming light west after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 63. Light and variable wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 80. South wind 7 to 14 mph becoming north in the morning. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 43. North wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 85. Light southwest wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 51. South wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 85. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 64. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Windy.
Friday
A slight chance of rain and snow showers. Partly sunny, with a high near 52. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ellsworth Air Force Base SD
 44.15°N 103.1°W (Elev. 3202 ft)
Last Update:
4:02 am MDT Apr 18, 2026
Forecast Valid:
5am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation