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Foster, SD Weather Forecast

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Foster, SD Weather Forecast

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Foster SD weather - Clear - 63°F
Clear
63°F
Updated 4:37 pm
Feels Like 53°F
Humidity 38%
Wind NW 10 mph
Barometer  29.94 in
Dew Point 37°F
Foster SD weather - Clear - 17°C
Clear
17°C
Updated 4:37 pm
Feels Like 11°C
Humidity 38%
Wind NW 16 km/h
Barometer  101.4 kPa
Dew Point 3°C
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Foster Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT VETERANS DAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Foster, SD Weather - Tonight Partly Cloudy Foster, SD Weather - Sunday Partly Sunny Foster, SD Weather - Sunday Night Mostly Cloudy Foster, SD Weather - Monday Partly Sunny Foster, SD Weather - Monday Night Partly Cloudy Foster, SD Weather - Tuesday Mostly Cloudy Foster, SD Weather - Tuesday Night Mostly Cloudy Foster, SD Weather - Veterans Day Partly Sunny Foster, SD Weather - Wednesday Night Partly Cloudy Foster, SD Weather - Thursday Partly Cloudy Foster, SD Weather - Thursday Night Mostly Clear Foster, SD Weather - Friday Partly Cloudy
Partly Cloudy Partly Sunny Mostly Cloudy Partly Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Sunny Partly Cloudy Partly Cloudy Mostly Clear Partly Cloudy
Lo: 31°FLo: -1°C Hi: 59°FHi: 15°C
 Lo: 40°FLo: 4°C Hi: 59°FHi: 15°C
 Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
Lo: 39°FLo: 4°C		 Hi: 55°FHi: 13°C
Lo: 39°FLo: 4°C		 Hi: 51°FHi: 11°C
 Hi: 49°FHi: 9°C
Lo: 31°FLo: -1°C		 Hi: 49°FHi: 9°C
Lo: 31°FLo: -1°C		 Lo: 31°FLo: -1°C Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C
POP = Probability of Precipitation.
Weather Outlook Updated: 321 PM CST Sat Nov 07 2026 Foster, SD Weather - WeatherWorld.com

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Issued: 1243 PM CST Sat Nov 7 2026

Key Messages

  • Mostly dry and mild over the next several days, with high temperatures remaining above normal in the 50s and 60s through Wednesday.
  • Brief cool down Thursday/Friday back closer to normal values in the 40s and 50s, but indications of mild and above normal temps returning by next weekend.

Discussion

... Issued at 1243 PM CST Sat Nov 7 2026

Weak warm front/wind shift will continue to work its way eastward across the CWA into the evening hours, shifting winds to the west- northwest while it ...