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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair with Haze

53°F

12°C

Humidity 69%
Wind Speed E 7 mph
Barometer 30.29 in
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill51°F (11°C)
Last update 4 Oct 10:35 pm CDT
Extended Forecast for

11 Miles ENE Iona SD

  • Tonight

    Tonight: Clear, with a low around 51. Southeast wind around 10 mph.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 56. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West northwest wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. North northwest wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. North northeast wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 51. Southeast wind around 10 mph.
Monday
Sunny, with a high near 82. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Clear, with a low around 56. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 83. West northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 51. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 74. North northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 58. Breezy.
Saturday
Sunny, with a high near 80. Breezy.
Saturday Night
Partly cloudy, with a low around 57. Breezy.
Sunday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Iona SD
 43.61°N 99.2°W (Elev. 1749 ft)
Last Update:
10:28 pm CDT Oct 4, 2026
Forecast Valid:
10pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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