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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Pine Ridge, Pine Ridge Airport (KIEN)

Lat: 43.03°NLon: 102.52°WElev: 3330ft.

Overcast

50°F

10°C

Humidity 26%
Wind Speed NA
Barometer 30.12 in (1021.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 18 Apr 4:52 pm MDT
Extended Forecast for

3 Miles NNW Porcupine SD

Red Flag Warning until April 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 18, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Southwest wind 5 to 11 mph becoming northeast in the morning. Winds could gust as high as 18 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. East wind 13 to 15 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. South wind 15 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. North wind 5 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Breezy, with a south wind 11 to 20 mph, with gusts as high as 29 mph.

    Low: 56 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 49. North wind around 16 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 27. Northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 65. Southwest wind 5 to 11 mph becoming northeast in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 38. East wind 13 to 15 mph becoming south after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 82. South wind 15 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 41. North wind 5 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 87. South wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 56. Breezy, with a south wind 11 to 20 mph, with gusts as high as 29 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 88. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 48. Breezy.
Thursday
A chance of showers. Mostly sunny, with a high near 63. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Windy.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 52. Breezy.
Friday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 27.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Porcupine SD
 43.31°N 102.37°W (Elev. 3015 ft)
Last Update:
5:01 pm MDT Apr 18, 2026
Forecast Valid:
5pm MDT Apr 18, 2026-6pm MDT Apr 25, 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