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Dewey, SD Weather Forecast

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Dewey, SD Weather Forecast

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Dewey SD weather - Clear - 50°F
Clear
50°F
Updated 10:35 am
Feels Like 47°F
Humidity 47%
Wind N 0 mph
Barometer  30.17 in
Dew Point 31°F
Dewey SD weather - Clear - 10°C
Clear
10°C
Updated 10:35 am
Feels Like 9°C
Humidity 47%
Wind N 0 km/h
Barometer  102.1 kPa
Dew Point -1°C
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Dewey Weather Forecast

REST OF TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT VETERANS DAY WEDNESDAY NIGHT
Dewey, SD Weather - Rest Of Today Clearing Dewey, SD Weather - Tonight Clear Dewey, SD Weather - Saturday Partly Cloudy Dewey, SD Weather - Saturday Night Clear Dewey, SD Weather - Sunday Mostly Sunny Dewey, SD Weather - Sunday Night Partly Cloudy Dewey, SD Weather - Monday Sunny Dewey, SD Weather - Monday Night Partly Cloudy Dewey, SD Weather - Tuesday Partly Cloudy Dewey, SD Weather - Tuesday Night Clearing Dewey, SD Weather - Veterans Day Mostly Sunny Dewey, SD Weather - Wednesday Night Mostly Clear
Clearing Clear Partly Cloudy Clear Mostly Sunny Partly Cloudy Sunny Partly Cloudy Partly Cloudy Clearing Mostly Sunny Mostly Clear
Hi: 55°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 61°FHi: 16°C
 Lo: 39°FLo: 4°C Hi: 61°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 55°FHi: 13°C
 Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
 Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
 Lo: 40°FLo: 4°C
POP = Probability of Precipitation.
Weather Outlook Updated: 927 AM MST Fri Nov 06 2026 Dewey, SD Weather - WeatherWorld.com

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Dewey Forecast Discussion

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Issued: 900 AM MST Fri Nov 6 2026

Key Messages

  • Dense fog through late this morning for portions of central South Dakota
  • Mild and dry into next week.

Discussion

...(This Afternoon Through Wednesday) Issued at 1102 AM MST Thu Nov 5 2026

Mean western NOAM ridging will support mild and dry weather as Pac flow continues aloft. Weak/skirting impulses will support cool fronts at times to knock temps down a few degrees. Temps will be above normal in the period with the warmest days being this weekend, particularity Sunday when highs will av...