| NWS Forecast for: Montgomery County Issued by: National Weather Service Saint Louis, MO Last Update: 1058 AM CDT Mon Jun 22 2026 | |
| This Afternoon: Cloudy. Highs in the mid 70s. North winds 5 to 10 mph with gusts up to 20 mph. Tonight: Mostly cloudy in the evening, then clearing. Lows in the mid 50s. North winds 5 to 10 mph. Tuesday: Sunny. Highs in the upper 70s. North winds around 5 mph. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. East winds around 5 mph. Wednesday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 80. South winds around 5 mph. Chance of rain 50 percent. Wednesday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of rain 40 percent. Friday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 50 percent. Friday Night: A chance of thunderstorms. Showers likely. Lows in the mid 60s. Chance of rain 70 percent. Saturday: Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. Saturday Night: Partly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 30 percent. Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. | |
| Zone Forecast: Montgomery County | |
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