| NWS Forecast for: Montgomery County Issued by: National Weather Service Saint Louis, MO Last Update: 543 AM CDT Sun Jul 26 2026 |  |
Today: Patchy fog this morning. Mostly sunny. Hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 118. Tonight: Partly cloudy in the evening, then clearing. Humid with lows in the upper 70s. Southwest winds around 5 mph. Heat index values up to 115 early in the evening. Monday: Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 111. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. West winds 5 to 10 mph. Heat index values up to 110 early in the evening. Tuesday: Mostly sunny. Humid with highs in the lower 90s. Northwest winds around 5 mph. Heat index values up to 103. Tuesday Night: Partly cloudy. Lows around 70. Heat index values up to 100 early in the evening. Wednesday And Wednesday Night: Mostly clear. Highs in the upper 80s. Lows in the mid 60s. Thursday: Mostly sunny. Highs in the upper 80s. Thursday Night: Mostly cloudy with a 20 percent chance of showers. Lows in the upper 60s. Friday: Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 40 percent. Friday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent. Saturday: Mostly 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. | |
| Zone Forecast: Montgomery County | |
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