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

Owanka SD

  • Today

    Today: Isolated showers after noon. Mostly sunny, with a high near 56. Wind chill values as low as 18 early. Windy, with a northwest wind 7 to 17 mph increasing to 22 to 32 mph. Winds could gust as high as 45 mph. Chance of precipitation is 20%.

    High: 56 °F

    Mostly Sunny
    and Breezy
    then Isolated
    Showers and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 27. Blustery, with a northwest wind 20 to 25 mph becoming light 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 65. Light and variable wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. East wind 9 to 17 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. South wind 10 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. North wind 10 to 15 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 88. Light southeast wind increasing to 12 to 17 mph in the morning. Winds could gust as high as 28 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. South wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon. Mostly sunny, with a high near 89. Breezy.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Isolated showers after noon. Mostly sunny, with a high near 56. Wind chill values as low as 18 early. Windy, with a northwest wind 7 to 17 mph increasing to 22 to 32 mph. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 27. Blustery, with a northwest wind 20 to 25 mph becoming light after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 65. Light and variable wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 36. East wind 9 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 84. South wind 10 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 43. North wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 88. Light southeast wind increasing to 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 51. South wind 9 to 16 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 89. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 49. Breezy.
Thursday
A chance of showers. Mostly sunny, with a high near 69. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32. Windy.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 54. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Owanka SD
 44.02°N 102.57°W (Elev. 2598 ft)
Last Update:
4:02 am MDT Apr 18, 2026
Forecast Valid:
4am 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