Weather WorldAgar, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Agar, SD Weather Forecast
Agar, SD Weather Forecast Date: 1221 PM CDT Sun Oct 25 2026
The area/counties/county of: Sully, including the city of Onida.or toggle through each period.
This Afternoon... Rain. Near steady temperature in the mid 40s. East winds 10 to 15 mph. Chance of rain 90%.
Tonight... Cloudy. Rain, mainly in the evening. Lows in the mid 30s. Northeast winds 10 to 15 mph. Chance of rain 90%.
Monday... Rain in the morning, then rain with a slight chance of snow in the afternoon. Little or no snow accumulation. Near steady temperature in the upper 30s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation near 100%.
Monday Night... Rain and snow in the evening. Patchy fog after midnight. Little or no snow accumulation. Near steady temperature in the mid 30s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation near 100%.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Not as cool with highs in the mid 50s. Southeast winds 5 to 10 mph with gusts up to 20 mph, increasing to south 15 to 20 mph with gusts up to 30 mph in the afternoon.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s.
Wednesday... Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.
Thursday... Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.
Thursday Night... Mostly cloudy. Lows in the upper 30s. Highs in the upper 50s.
Friday... Mostly cloudy. Lows in the upper 30s. Highs in the upper 50s.
Friday Night... Mostly cloudy with a 40% chance of rain. Lows around 40. Highs in the mid 50s.
POP = Probability of Precipitation
Agar Radar Loop
Use the map search tool if you want to place a location marker on the radar map...