Johnson Dam, SD Weather Forecast & Current Conditions

Day: Sunny. Highs in the upper 50s. North winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 20s. East winds 5 to 10 mph.

Day: Becoming partly cloudy. Areas of fog in the morning. Highs in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows in the mid 20s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Day: Partly cloudy. Highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 35 mph.

Night: Partly cloudy and breezy. Lows in the upper 20s.

Day: Partly cloudy and breezy. Highs in the upper 40s.

Night: Partly cloudy. Lows in the upper 20s.

Day: Partly cloudy in the morning, then clearing. Highs in the lower 50s.

Night: Mostly clear. Lows around 30.

Day: Partly cloudy in the morning, then clearing. Highs in the upper 50s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Partly cloudy. Highs in the mid 50s.

Day: Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Night: Increasing clouds. Areas of fog. Lows in the mid 20s. East winds around 10 mph.

Day: Decreasing clouds. Areas of fog in the morning. Highs in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Decreasing clouds. Lows in the lower 20s. Southeast winds 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 40s. Southeast winds 10 to 20 mph with gusts up to 35 mph.

Night: Mostly cloudy. Lows in the mid 20s.

Day: Partly sunny. Highs in the upper 40s.

Night: Decreasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Increasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Partly sunny. Highs in the mid 50s.

Day: Sunny. Highs around 60. North winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Areas of fog after midnight. Lows around 30. East winds 5 to 10 mph.

Day: Becoming partly cloudy. Areas of fog in the morning. Highs in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows in the mid 20s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Day: Partly cloudy in the morning, then clearing. Breezy with highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 40 mph in the afternoon.

Night: Partly cloudy and breezy. Lows in the upper 20s.

Day: Partly cloudy and windy. Highs in the upper 40s.

Night: Partly cloudy and breezy. Lows in the lower 30s.

Day: Partly cloudy in the morning, then clearing. Highs in the mid 50s.

Night: Mostly clear. Lows in the lower 30s.

Day: Partly cloudy in the morning, then clearing. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s.

Day: Partly cloudy. Highs in the upper 50s.

Night: Partly cloudy this evening, then becoming mostly cloudy. Lows in the upper 20s. Northeast winds 5 to 10 mph.

Day: Partly sunny. Colder with highs around 40. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 20s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Day: Partly sunny. Highs in the lower 40s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Night: Mostly cloudy and breezy. Highs in the lower 40s. Lows in the lower 30s.

Night: Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Night: Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.

Night: Mostly cloudy. Highs in the mid 50s. Lows in the upper 30s.

Day: Partly sunny. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 40 percent.

Day: Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Areas of fog after midnight. Lows in the lower 30s. Northeast winds 5 to 10 mph, becoming southeast after midnight.

Day: Partly cloudy in the morning, then clearing. Areas of fog in the morning. Highs in the upper 40s. Southeast winds 10 to 20 mph.

Night: Partly cloudy. Lows in the upper 20s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Day: Partly cloudy and breezy. Highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon.

Night: Partly cloudy and windy. Lows around 30.

Day: Partly cloudy and windy. Highs in the lower 50s.

Night: Partly cloudy and breezy. Lows in the lower 30s.

Day: Partly cloudy in the morning, then clearing. Highs in the mid 50s.

Night: Mostly clear. Lows in the lower 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s.

Day: Partly cloudy. Highs in the upper 50s.

Day: Sunny. Highs in the upper 50s. Temperature falling into the in the mid 50s late. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Night: Increasing clouds. Areas of fog. Lows in the upper 20s. Northeast winds around 5 mph, becoming southeast after midnight.

Day: Partly sunny in the morning then clearing. Areas of fog in the morning. Highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Increasing clouds. Lows in the mid 20s. Southeast winds around 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Windy. Highs in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 35 mph, increasing to 25 to 30 mph with gusts up to 45 mph in the afternoon.

Night: Mostly cloudy. Windy. Lows in the mid 20s.

Day: Partly sunny. Windy. Highs around 50.

Night: Decreasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the mid 50s.

Night: Increasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Partly sunny. Highs in the mid 50s.

Day: Sunny. Highs in the upper 50s. North winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 20s. East winds 5 to 10 mph.

Day: Becoming partly cloudy. Patchy fog in the morning. Highs in the lower 40s. Southeast winds 10 to 15 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 20s. Southeast winds 10 to 15 mph.

Day: Partly cloudy in the morning, then clearing. Highs in the mid 40s. Southeast winds 10 to 20 mph with gusts up to 35 mph.

Night: Partly cloudy and breezy. Lows in the upper 20s.

Day: Partly cloudy and breezy. Highs in the mid 40s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Partly cloudy. Highs in the lower 50s.

Night: Mostly clear. Lows in the lower 30s.

Day: Mostly sunny. Highs in the mid 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.

Day: Partly cloudy. Highs in the mid 50s.

Day: Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph.

Night: Increasing clouds. Areas of fog. Lows in the mid 20s. East winds around 5 mph.

Day: Areas of fog in the morning. Mostly sunny. Highs in the mid 40s. Southeast winds 5 to 15 mph.

Night: Decreasing clouds. Lows in the lower 20s. Southeast winds around 10 mph with gusts up to 20 mph.

Day: Mostly sunny. Highs in the mid 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Increasing clouds. Lows in the mid 20s.

Day: Partly sunny. Highs in the upper 40s.

Night: Decreasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Increasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Partly sunny. Highs in the mid 50s.

Day: Mostly sunny. Highs in the mid 50s. North winds around 5 mph.

Night: Increasing clouds. Patchy fog. Lows in the upper 20s. East winds 5 to 10 mph.

Day: Patchy fog in the morning. Mostly sunny. Highs in the lower 40s. Southeast winds 5 to 15 mph.

Night: Partly cloudy. Lows in the mid 20s. Southeast winds around 10 mph with gusts up to 20 mph.

Day: Mostly sunny. Highs in the lower 40s. Southeast winds 10 to 15 mph, increasing to around 20 mph in the afternoon.

Night: Increasing clouds. Lows in the mid 20s.

Day: Mostly sunny. Highs in the mid 40s.

Night: Partly cloudy. Lows around 30.

Day: Mostly sunny. Highs in the upper 40s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Sunny. Highs in the mid 50s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Partly sunny. Highs in the mid 50s.

Night: Partly cloudy this evening, then becoming mostly cloudy. Lows around 30. Northeast winds 5 to 10 mph.

Day: Partly sunny. Much colder with highs in the upper 30s. East winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Day: Partly sunny. Highs in the lower 40s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Night: Partly cloudy and breezy. Lows in the upper 20s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly cloudy and breezy. Highs in the lower 40s. Lows in the lower 30s.

Night: Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.

Night: Mostly cloudy and breezy. Highs in the lower 50s. Lows in the upper 30s.

Day: Partly sunny with a 40 percent chance of rain. Highs in the lower 50s.

Day: Sunny. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Areas of fog after midnight. Lows in the lower 30s. East winds 5 to 10 mph.

Day: Areas of fog in the morning. Partly cloudy. Highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Partly cloudy. Lows in the mid 20s. Southeast winds 10 to 20 mph.

Day: Partly cloudy and breezy. Highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon.

Night: Partly cloudy and breezy. Lows in the lower 30s.

Day: Partly cloudy and windy. Highs around 50.

Night: Partly cloudy and breezy. Lows in the lower 30s.

Day: Partly cloudy in the morning, then clearing. Highs in the mid 50s.

Night: Mostly clear. Lows in the lower 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s.

Day: Partly cloudy. Highs in the upper 50s.

Day: Sunny. Highs in the upper 50s. Temperature falling into the in the mid 50s late. Northwest winds around 5 mph.

Night: Increasing clouds. Areas of fog. Lows in the upper 20s. East winds 5 to 10 mph.

Day: Areas of fog in the morning. Partly sunny. Highs in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows in the mid 20s. Southeast winds 10 to 15 mph.

Day: Mostly sunny. Highs in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Night: Increasing clouds. Lows in the mid 20s.

Day: Mostly sunny. Highs in the upper 40s.

Night: Decreasing clouds. Lows in the upper 20s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Partly sunny. Highs in the mid 50s.

Day: Sunny. Near steady temperature in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 35 mph.

Night: Clear. Areas of fog after midnight. Lows in the lower 30s. Northwest winds 5 to 10 mph, becoming east after midnight.

Day: Partly cloudy in the morning, then clearing. Areas of fog in the morning. Highs in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Day: Partly cloudy and breezy. Highs in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon.

Night: Partly cloudy and breezy. Lows in the lower 30s.

Day: Partly cloudy and windy. Highs in the lower 50s.

Night: Partly cloudy and breezy. Lows in the lower 30s.

Day: Partly cloudy in the morning, then clearing. Highs in the mid 50s.

Night: Mostly clear. Lows in the lower 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 30s.

Day: Partly cloudy. Highs in the upper 50s.

Day: Sunny. Highs in the upper 50s. Temperature falling into the in the mid 50s late. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Night: Partly cloudy. Areas of fog. Lows around 30. East winds 5 to 15 mph.

Day: Partly sunny in the morning then clearing. Areas of fog in the morning. Highs in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Night: Partly cloudy. Lows in the upper 20s. Southeast winds around 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the upper 40s. Southeast winds 15 to 25 mph with gusts up to 40 mph.

Night: Mostly cloudy. Windy. Lows in the upper 20s.

Day: Mostly sunny. Windy. Highs in the upper 40s.

Night: Decreasing clouds. Lows around 30.

Day: Mostly sunny. Highs in the lower 50s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Sunny. Highs in the upper 50s.

Night: Increasing clouds. Lows in the mid 30s.

Day: Partly sunny. Highs in the mid 50s.

Day: Mostly sunny. Highs in the mid 50s. North winds 5 to 10 mph.

Night: Increasing clouds. Patchy fog. Lows in the upper 20s. Northeast winds around 10 mph.

Day: Patchy fog in the morning. Mostly sunny. Colder. Highs in the upper 30s. Southeast winds 5 to 15 mph.

Night: Partly cloudy. Lows in the mid 20s. Southeast winds 5 to 15 mph.

Day: Mostly sunny. Highs in the lower 40s. Southeast winds 10 to 20 mph. Gusts up to 35 mph in the afternoon.

Night: Partly cloudy. Lows in the upper 20s.

Day: Mostly sunny. Highs in the lower 40s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs in the upper 40s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s.

Day: Partly sunny. Highs in the lower 50s.

Day: Partly sunny. Highs in the upper 40s. North winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 20s. Northeast winds 5 to 10 mph.

Day: Partly sunny in the morning then clearing. Highs in the upper 30s. Southeast winds 5 to 10 mph.

Night: Mostly clear. Lows in the lower 20s. Southeast winds 5 to 10 mph.

Day: Mostly sunny. Highs in the upper 30s. Southeast winds 5 to 15 mph, increasing to 15 to 20 mph in the afternoon.

Night: Increasing clouds. Lows in the mid 20s.

Day: Mostly sunny. Highs in the lower 40s.

Night: Increasing clouds. Lows around 30.

Day: Mostly sunny. Highs in the mid 40s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Increasing clouds. Lows in the mid 30s.

Day: Partly sunny. Highs in the lower 50s.

Day: Mostly sunny. Highs around 50. North winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 20s. Northeast winds 5 to 10 mph.

Day: Partly sunny in the morning then clearing. Highs in the upper 30s. Southeast winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds 5 to 10 mph.

Day: Mostly sunny. Highs around 40. Southeast winds 5 to 15 mph, increasing to 15 to 20 mph in the afternoon.

Night: Increasing clouds. Lows in the mid 20s.

Day: Mostly sunny. Highs in the lower 40s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Partly sunny. Highs in the mid 40s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Increasing clouds. Lows in the mid 30s.

Day: Partly sunny. Highs in the lower 50s.

Day: Partly sunny. Highs in the lower 50s. North winds around 5 mph.

Night: Mostly cloudy. Patchy fog. Lows in the mid 20s. East winds 5 to 10 mph.

Day: Partly sunny in the morning then clearing. Patchy fog in the morning. Highs in the upper 30s. Southeast winds 5 to 15 mph.

Night: Increasing clouds. Lows in the lower 20s. Southeast winds 5 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the lower 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Partly cloudy. Lows in the lower 20s.

Day: Mostly sunny. Highs in the lower 40s.

Night: Partly cloudy. Lows in the upper 20s.

Day: Mostly sunny. Highs in the upper 40s.

Night: Partly cloudy. Lows in the upper 20s.

Day: Mostly sunny. Highs in the mid 50s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Partly sunny. Highs in the lower 50s.

Day: Sunny. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 30 mph.

Night: Clear. Areas of fog after midnight. Lows in the lower 30s. Northeast winds 5 to 10 mph.

Day: Partly cloudy in the morning, then clearing. Areas of fog in the morning. Highs in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 30. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Day: Partly cloudy and breezy. Highs in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph, increasing to 15 to 25 mph with gusts up to 40 mph in the afternoon.

Night: Partly cloudy and breezy. Lows in the mid 30s.

Day: Partly cloudy and breezy. Highs in the lower 50s.

Night: Partly cloudy and breezy. Lows in the mid 30s.

Day: Partly cloudy in the morning, then clearing. Highs in the upper 50s.

Night: Mostly clear. Lows in the mid 30s.

Day: Mostly sunny. Highs in the lower 60s.

Night: Partly cloudy. Lows in the upper 30s.

Day: Partly cloudy. Highs around 60.

Day: Sunny. Highs around 60. Temperature falling into the in the mid 50s late. Northwest winds 5 to 10 mph.

Night: Increasing clouds. Areas of fog. Lows around 30. Southeast winds around 10 mph.

Day: Partly sunny in the morning then clearing. Areas of fog in the morning. Highs in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows around 30. Southeast winds 10 to 15 mph.

Day: Mostly sunny. Highs in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph.

Night: Mostly cloudy. Lows around 30.

Day: Mostly sunny. Highs in the lower 50s.

Night: Partly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs in the mid 50s.

Night: Increasing clouds. Lows in the lower 30s.

Day: Mostly sunny. Highs around 60.

Night: Partly cloudy. Lows in the mid 30s.

Day: Partly sunny. Highs in the upper 50s.