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

Storm Moving from Western into Central U.S. through Wednesday

A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >

Current conditions at

BRITTON (KBTN)

Lat: 45.82°NLon: 97.74°WElev: 1318ft.

Overcast

46°F

8°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.24 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 15 Oct 2:35 am CDT
Extended Forecast for

Amherst SD

  • Overnight

    Overnight: Patchy drizzle. Patchy fog after 5am. Otherwise, cloudy, with a low around 45. East wind around 9 mph.

    Low: 45 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy drizzle. Patchy fog before 9am. Otherwise, cloudy, with a high near 56. East wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 56 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 3am. Cloudy, with a low around 51. East wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 74. Breezy, with a south wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 47. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 64. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 64 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 31 mph.

    High: 57 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy drizzle. Patchy fog after 5am. Otherwise, cloudy, with a low around 45. East wind around 9 mph.
Wednesday
Patchy drizzle. Patchy fog before 9am. Otherwise, cloudy, with a high near 56. East wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 3am. Cloudy, with a low around 51. East wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 74. Breezy, with a south wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 47. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 64. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 41. West wind around 11 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 57. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 35. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 56. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Amherst SD
 45.73°N 97.92°W (Elev. 1302 ft)
Last Update:
2:36 am CDT Oct 15, 2025
Forecast Valid:
3am CDT Oct 15, 2025-6pm CDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation