| NWS Forecast for: Monroe County Issued by: National Weather Service Saint Louis, MO Last Update: 618 PM CDT Mon Jun 22 2026 | |
| Tonight: Partly cloudy this evening, then clearing. Patchy fog after midnight. Lows in the upper 50s. Northeast winds around 5 mph this evening, becoming light and variable. Tuesday: Patchy fog in the morning. Sunny. Highs in the upper 70s. East winds around 5 mph. Tuesday Night: Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 40 percent. Wednesday: Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. South winds around 5 mph, becoming southwest around 5 mph in the afternoon. Chance of rain 50 percent. Wednesday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Thursday: Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Thursday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent. Friday: Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Saturday: Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent. Sunday: Sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. Sunday Night And Monday: Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105. | |
| Zone Forecast: Monroe County | |
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