Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Overcast

55°F

13°C

Humidity 94%
Wind Speed N 15 G 20 mph
Barometer 29.80 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Oct 11:35 am CDT
Extended Forecast for

Onaka SD

  • Today

    Today: Cloudy, with a high near 65. North northeast wind around 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Cloudy

  • Tonight

    Tonight: A chance of sprinkles after 4am.  Cloudy, with a low around 45. North northeast wind 13 to 17 mph.

    Low: 45 °F

    Chance
    Sprinkles

  • Columbus Day

    Columbus Day: A chance of showers before 1pm, then a chance of sprinkles after 4pm.  Mostly cloudy, with a high near 60. Northeast wind 11 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Northwest wind 13 to 16 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. North northwest wind around 10 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. North wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. North northeast wind 6 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 41. East wind around 8 mph.  Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 57. North northeast wind 9 to 18 mph becoming northwest in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Cloudy, with a high near 65. North northeast wind around 16 mph, with gusts as high as 25 mph.
Tonight
A chance of sprinkles after 4am. Cloudy, with a low around 45. North northeast wind 13 to 17 mph.
Columbus Day
A chance of showers before 1pm, then a chance of sprinkles after 4pm. Mostly cloudy, with a high near 60. Northeast wind 11 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 40. Northwest wind 13 to 16 mph.
Tuesday
Mostly cloudy, with a high near 55. North northwest wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 39. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 59. North northeast wind 6 to 10 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 41. East wind around 8 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. North northeast wind 9 to 18 mph becoming northwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 52. Breezy.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Onaka SD
 45.19°N 99.45°W (Elev. 1850 ft)
11:21 am CDT Oct 11, 2026
11am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database