| NWS Forecast for: Lyman County Issued by: National Weather Service Aberdeen, SD Last Update: 253 PM CDT Mon Jun 1 2026 | |
| This Afternoon: Mostly cloudy. Highs around 80. East winds 5 to 10 mph with gusts up to 20 mph. Tonight: Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Tuesday: Partly sunny with a 20 percent chance of thunderstorms. Breezy with highs in the mid 80s. South winds 10 to 15 mph, increasing to 15 to 25 mph in the afternoon. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of thunderstorms. Breezy with lows in the upper 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Wednesday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent. Wednesday Night: Showers likely with a chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 70 percent. Thursday: Mostly cloudy in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. Thursday Night: Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of thunderstorms. Highs in the mid 80s. Friday Night: Mostly clear. A slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. Saturday: Partly sunny. Highs in the upper 80s. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Sunday: Partly sunny and breezy, hot with highs in the lower 90s. | |
| Zone Forecast: Lyman County | |
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