Weather WorldCass School, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Cass School, SD Weather Forecast
Cass School, SD Weather Forecast Date: 222 PM CST Sun Nov 01 2026
The area/counties/county of: Sully, including the city of Onida.or toggle through each period.
This Afternoon... Cloudy, breezy. Near steady temperature in the lower 60s. Southeast winds 20 to 25 mph with gusts up to 35 mph.
Tonight... Rain. Lows in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100%.
Monday... Rain, mainly in the morning. Windy. Near steady temperature in the upper 50s. East winds 15 to 20 mph with gusts up to 30 mph, becoming north 20 to 30 mph with gusts up to 50 mph in the afternoon. Chance of rain near 100%.
Monday Night... Rain. Very windy and colder with lows around 40. North winds 25 to 35 mph with gusts up to 55 mph. Chance of rain near 100%.
Tuesday... Mostly cloudy with rain likely in the morning, then partly sunny with a chance of rain in the afternoon. Very windy and colder with highs in the upper 40s. Northwest winds 25 to 35 mph with gusts up to 45 mph. Chance of rain 70%.
Tuesday Night... Partly cloudy. A 20% chance of rain. Lows in the mid 30s. Highs in the upper 40s.
Wednesday... Partly cloudy. A 20% chance of rain. Lows in the mid 30s. Highs in the upper 40s.
Wednesday Night... Partly cloudy. Lows in the lower 30s. Highs in the upper 40s.
Thursday... Partly cloudy. Lows in the lower 30s. Highs in the upper 40s.
Friday... Partly sunny. Highs around 50.
Friday Night... Partly cloudy. Lows in the mid 30s.
POP = Probability of Precipitation
Cass School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...