| NWS Forecast for: Grant County Issued by: National Weather Service Wilmington, OH Last Update: 405 AM EDT Tue Sep 15 2026 | |
| Today: Mostly sunny. Warmer with highs in the lower 90s. Southeast winds around 5 mph, becoming southwest this afternoon. Tonight: Clear in the evening, then becoming partly cloudy. Warmer. Muggy. Lows in the lower 70s. South winds around 5 mph. Wednesday: Partly cloudy. Hot with highs in the lower 90s. Southwest winds around 5 mph. Heat index values up to 101 in the afternoon. Wednesday Night: Partly cloudy in the evening, then clearing. Muggy and unseasonably warm. Lows around 70. South winds around 5 mph. Thursday: Mostly sunny. Hot with highs in the lower 90s. West winds around 5 mph. Heat index values up to 101. Thursday Night: Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Unseasonably warm with lows around 70. Chance of rain 30 percent. Friday: Partly cloudy. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent. Friday Night: Partly cloudy. Lows in the upper 60s. Saturday: Mostly sunny. Highs in the upper 80s. Saturday Night: Mostly clear. Unseasonably warm with lows around 70. Sunday: Partly cloudy. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Sunday Night: Partly cloudy. A chance of showers. Lows in the mid 60s. Chance of rain 40 percent. Monday: Partly cloudy. A chance of showers. Highs in the upper 70s. Chance of rain 40 percent. | |
| Zone Forecast: Grant County | |
Visit your local NWS office at: https://www.weather.gov/iln/ |