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

Canby Airfield (KCNB)

Lat: 44.73°NLon: 96.27°WElev: 1194ft.

Fair

75°F

24°C

Humidity 43%
Wind Speed NW 7 mph
Barometer 29.74 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 10:15 am CDT
Extended Forecast for

Altamont SD

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming north northeast 5 to 9 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North wind 9 to 11 mph.

    Low: 50 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm.  Partly sunny, with a high near 68. North northeast wind around 10 mph.  Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. North northwest wind around 11 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. North wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Northeast wind 5 to 9 mph.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am.  Partly cloudy, with a low around 43. East northeast wind around 7 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 57. East wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming north northeast 5 to 9 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 50. North wind 9 to 11 mph.
Columbus Day
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 68. North northeast wind around 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 46. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 59. North northwest wind around 11 mph.
Tuesday Night
Partly cloudy, with a low around 42. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 60. Northeast wind 5 to 9 mph.
Wednesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 43. East northeast wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. East wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 39. Breezy. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Areas of frost. Otherwise, partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont SD
 44.85°N 96.69°W (Elev. 1808 ft)
10:16 am CDT Oct 11, 2026
10am 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