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Johnson Siding, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Johnson Siding, a community in Pennington County, South Dakota.

Overnight
51°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 55 overnight. West wind around 1 mph. Chance of precipitation is 30%.

7-day forecast for Johnson Siding

WhenTempForecastWindPrecip
Overnight 51°F Patchy Fog 1 mph W 27%
Saturday 64°F Areas Of Fog then Showers And Thunderstorms 1 to 5 mph SE 80%
Saturday Night 44°F Showers And Thunderstorms 5 mph E 81%
Sunday 57°F Showers And Thunderstorms 2 to 7 mph E 89%
Sunday Night 41°F Showers And Thunderstorms 0 to 3 mph E 98%
Monday 60°F Rain Showers Likely 0 to 6 mph E 57%
Monday Night 42°F Chance Rain Showers then Mostly Cloudy 2 to 6 mph SE 30%
Tuesday 70°F Mostly Sunny 3 to 10 mph S 7%
Tuesday Night 47°F Partly Cloudy 3 to 8 mph S 10%
Wednesday 76°F Mostly Sunny then Chance Showers And Thunderstorms 6 mph S 37%
Wednesday Night 47°F Chance Showers And Thunderstorms then Partly Cloudy 3 mph SW 26%
Thursday 78°F Mostly Sunny 5 mph S 12%
Thursday Night 48°F Mostly Clear 3 mph S 6%
Friday 79°F Mostly Sunny 3 to 9 mph S 6%

Forecast source: National Weather Service (api.weather.gov) for Johnson Siding (44.085, -103.438). Updated through the day.

Growing snapshot for Johnson Siding

Last spring frost
May 20
First fall frost
Sep 25
Growing season
126 days
Hardiness zone
5a

More local growing data for Johnson Siding: nearby ZIP 57702 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Johnson Siding, Sd (3.7 mi from Johnson Siding). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.