| NWS Forecast for: Montgomery County Issued by: National Weather Service Saint Louis, MO Last Update: 742 PM CDT Thu Jun 18 2026 | |
| Tonight: Partly cloudy this evening, then clearing. Patchy fog after midnight. Lows in the upper 50s. West winds around 5 mph this evening, becoming light and variable. Juneteenth: Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Light and variable winds. Friday Night: Partly cloudy. Lows in the lower 60s. Light and variable winds. Saturday: Mostly sunny. Highs in the mid 80s. Light and variable winds. Saturday Night: Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 50 percent. Sunday: Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 90 percent. Sunday Night: Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 90 percent. Monday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. Monday Night Through Wednesday Night: Partly cloudy. Lows around 60. Highs in the lower 80s. Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. | |
| Zone Forecast: Montgomery County | |
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