| NWS Forecast for: Western Fall River Issued by: National Weather Service Rapid City, SD Last Update: 637 AM MDT Sun Sep 20 2026 |  |
| Today: Patchy fog this morning. Showers. A slight chance of thunderstorms this morning, then thunderstorms this afternoon. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. Tonight: Cloudy. Showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 40s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 90 percent. Monday: Mostly cloudy. A slight chance of showers in the morning. Highs in the mid 60s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 20 percent. Monday Night: Partly cloudy. Lows in the upper 40s. East winds 10 to 20 mph with gusts up to 30 mph. Tuesday: Becoming partly cloudy. Highs in the mid 70s. Southeast winds 10 to 20 mph with gusts up to 35 mph. Tuesday Night: Partly cloudy and breezy. Lows in the lower 50s. Wednesday: Partly cloudy. Highs around 80. Wednesday Night: Partly cloudy. Lows in the lower 50s. Thursday: Mostly sunny. Highs in the lower 80s. Thursday Night: Mostly clear. Lows in the mid 50s. Friday: Partly cloudy in the morning, then clearing. Highs in the lower 80s. Friday Night: Mostly clear and breezy. Lows in the mid 50s. Saturday: Partly cloudy in the morning, then clearing. Highs in the mid 80s. | |
| Zone Forecast: Western Fall River | |
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