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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds

63°F

17°C

Humidity 38%
Wind Speed NE 14 G 21 mph
Barometer 29.67 in (1002.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 12 Apr 8:52 pm MDT
Extended Forecast for

Owanka SD

Red Flag Warning April 12, 09:11pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 09:11pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Windy, with a southwest wind 5 to 15 mph increasing to 20 to 30 mph. Winds could gust as high as 41 mph.

    High: 79 °F

    Mostly Sunny
    then Sunny
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Breezy, with a northwest wind 19 to 29 mph decreasing to 5 to 15 mph. Winds could gust as high as 40 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. East wind 5 to 9 mph becoming southwest after midnight.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Southwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Breezy, with a southwest wind 15 to 20 mph becoming west 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Northeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 79. Windy, with a southwest wind 5 to 15 mph increasing to 20 to 30 mph. Winds could gust as high as 41 mph.
Monday Night
Partly cloudy, with a low around 41. Breezy, with a northwest wind 19 to 29 mph decreasing to 5 to 15 mph. Winds could gust as high as 40 mph.
Tuesday
Mostly sunny, with a high near 69. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 39. East wind 5 to 9 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 76. Southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 46. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 77. Breezy, with a southwest wind 15 to 20 mph becoming west 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph.
Thursday Night
A chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 30. Windy.
Friday
A chance of snow showers. Mostly cloudy, with a high near 45. Windy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Blustery.
Saturday
A chance of rain and snow showers. Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 64.
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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:
8:12 pm MDT Apr 12, 2026
Forecast Valid:
9pm MDT Apr 12, 2026-6pm MDT Apr 19, 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