Arpan, SD Weather Forecast

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Arpan, SD Weather Forecast

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Arpan SD weather  - Clear - 37°F
Clear
37°F
Updated 7:00 pm
Feels Like °F
Humidity 59%
Wind WSW 9 mph
Barometer  30.09 in
Dew Point 24°F
Arpan SD weather  - Clear - 3°C
Clear
3°C
Updated 7:00 pm
Feels Like °C
Humidity 59%
Wind WSW 14 km/h
Barometer  101.8 kPa
Dew Point -4°C

Arpan Weather Forecast

EARLY THIS MORNING TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
Arpan, SD Weather - Early This Morning Clear Arpan, SD Weather - Today Sunny Arpan, SD Weather - Tonight Partly Cloudy Arpan, SD Weather - Friday Partly Cloudy Arpan, SD Weather - Friday Night Chance Of Rain Arpan, SD Weather - Saturday Partly Cloudy Arpan, SD Weather - Saturday Night Partly Cloudy Arpan, SD Weather - Sunday Mostly Cloudy Arpan, SD Weather - Sunday Night Chance Of Rain Arpan, SD Weather - Monday Rain Arpan, SD Weather - Monday Night Chance Of Rain Arpan, SD Weather - Tuesday Chance Of Rain
Clear Sunny Partly Cloudy Partly Cloudy Chance of Rain Partly Cloudy Partly Cloudy Mostly Cloudy Chance of Rain Rain Chance of Rain Chance of Rain
Lo: 31°FLo: -1°C Hi: 59°FHi: 15°C
Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
Lo: 41°FLo: 5°C Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C Hi: 50°FHi: 10°C
POP: 20% POP: 70% POP: 80% POP: 60% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 322 AM MDT Thu Oct 29 2026 Arpan, SD Weather - WeatherWorld.com

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Issued: 547 AM MDT Thu Oct 29 2026

Key Messages

-Mild and dry through the rest of the week

-Unsettled and cooler to start next week with a good chance of rain Sunday night into Monday, with high some high elevation snow possible as well


Discussion

...(This Afternoon Through Tuesday) Issued at 1035 AM MDT Wed Oct 28 2026

Mean upper troughing over the PAC NW and western Canada will support general SW flow through the remainder week with weak/dry impulses traversing the flow. Departing impulse giving way to clear skies today as winds shi...