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Roy Lake, SD Weather Forecast
Roy Lake, SD Weather Forecast Date: 321 PM CST Fri Nov 06 2026
The area/counties/county of: Marshall, including the city of Britton.or toggle through each period.
Tonight... Mostly cloudy. Patchy fog this evening. Areas of fog after midnight. Lows in the lower 30s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Saturday... Areas of fog in the morning. Partly sunny. Not as cool with highs in the mid 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph.
Saturday Night... Partly cloudy. Lows in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph.
Sunday... Partly sunny. Highs in the lower 50s. West winds 5 to 10 mph, becoming southwest with gusts up to 20 mph in the afternoon.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Monday... Partly sunny. Highs in the mid 50s.
Monday Night... Mostly clear. Lows in the mid 30s.
Tuesday... Partly sunny. Highs in the upper 40s.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s.
Veterans Day... Partly cloudy. Highs around 50. Lows in the mid 30s.
Thursday... Partly cloudy. Highs around 50. Lows in the mid 30s.
POP = Probability of Precipitation
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