


NWS Forecast for: Macoupin County Issued by: National Weather Service Saint Louis, MO Last Update: 424 PM CDT Thu Jul 17 2025 | |
Tonight: Mostly cloudy with scattered showers and thunderstorms. Patchy fog after midnight. Lows around 70. Northeast winds around 5 mph. Chance of rain 50 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 50 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent. Saturday: Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 103 in the afternoon. Saturday Night: Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 103 early in the evening. Sunday And Sunday Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 105. Monday: Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. Monday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. Tuesday Through Thursday: Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. | |
Zone Forecast: Macoupin County | |
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