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

Madison Municipal Airport (KMDS)

Lat: 44.02°NLon: 97.09°WElev: 1718ft.

Overcast

50°F

10°C

Humidity 76%
Wind Speed SE 9 mph
Barometer 30.23 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 5 Oct 6:55 am CDT
Extended Forecast for

Chester SD

  • Today

    Today: Sunny, with a high near 73. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 73 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. South southwest wind 5 to 10 mph becoming west northwest in the morning.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. West wind around 5 mph becoming north after midnight.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. North wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Mostly clear, with a low around 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 81. South southwest wind 5 to 10 mph becoming west northwest in the morning.
Tuesday Night
Mostly clear, with a low around 50. West wind around 5 mph becoming north after midnight.
Wednesday
Sunny, with a high near 72. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 75. Breezy.
Saturday Night
Mostly clear, with a low around 58. Breezy.
Sunday
Mostly sunny, with a high near 70. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester SD
 43.9°N 96.91°W (Elev. 1598 ft)
Last Update:
5:33 am CDT Oct 5, 2026
Forecast Valid:
7am CDT Oct 5, 2026-6pm CDT Oct 11, 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