Weather World
Harrison, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Harrison, SD Weather Forecast
Harrison, SD Weather Forecast Date: 239 AM CDT Sat Oct 31 2026
The area/counties/county of: Douglas, including the cities of: Armour, Corsica, and Delmont.or toggle through each period.
Today... Mostly cloudy. Patchy fog this morning. A slight chance of showers this afternoon. Highs in the lower 60s. South winds 10 to 15 mph. Gusts up to 30 mph this afternoon. Chance of rain 20%.
Tonight... Showers likely. Patchy fog. Lows in the lower 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60%.
Sunday... Mostly cloudy. Highs in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph.
Sunday Night... A slight chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%.
Monday... Showers with a chance of thunderstorms in the morning, then showers in the afternoon. Highs in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%.
Monday Night... Showers, windy, cooler with lows in the mid 40s. Chance of rain 90%.
Tuesday... Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Windy, cooler. Near steady temperature in the upper 40s. Chance of rain 60%.
Tuesday Night... Partly cloudy. A chance of showers in the evening. Lows in the upper 30s. Chance of rain 50%.
Wednesday... Mostly sunny. Highs in the lower 50s.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s.
Thursday... Mostly sunny. Highs around 50.
Thursday Night... Partly cloudy. Lows in the mid 30s.
POP = Probability of Precipitation
Harrison Radar Loop
Use the map search tool if you want to place a location marker on the radar map...