| NWS Forecast for: Lyman County Issued by: National Weather Service Aberdeen, SD Last Update: 342 PM CDT Mon Sep 1 2025 | |
| Tonight: Partly cloudy early, then clearing. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph, becoming south after midnight. Tuesday: Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph, becoming northwest in the afternoon. Tuesday Night: Partly cloudy in the evening, then mostly cloudy with a chance of thunderstorms after midnight. Lows in the upper 50s. North winds 5 to 10 mph. Chance of rain 50 percent. Wednesday: Mostly cloudy with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Breezy and not as warm with highs in the upper 60s. North winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 40 percent. Wednesday Night: Partly cloudy. Much cooler with lows in the lower 40s. North winds 15 to 20 mph with gusts up to 30 mph, becoming southeast 5 to 10 mph after midnight. Thursday And Thursday Night: Mostly clear. Highs in the upper 70s. Lows in the upper 40s. Friday And Friday Night: Mostly clear. Highs in the mid 60s. Lows in the lower 40s. Saturday: Sunny. Highs in the lower 70s. Saturday Night And Sunday: Mostly clear. Lows in the upper 40s. Highs in the upper 70s. Sunday Night And Monday: Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. | |
| Zone Forecast: Lyman County | |
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