St. Louis, Missouri – Above-average temperatures are expected across Missouri from August 5–9, bringing a prolonged stretch of summer heat while precipitation remains close to seasonal averages. Rather than a widespread wet or dry pattern, the Show-Me State is expected to experience the typical isolated to scattered showers and thunderstorms of early August, with rainfall totals varying considerably from one community to another.
According to the Climate Prediction Center’s 6–10 Day Outlook issued July 30, Missouri is favored to experience above-normal temperatures, while near-normal precipitation is expected across the state. The outlook supports persistent warmth and humidity with periodic thunderstorm chances but no strong signal for widespread excessive rainfall.
St. Louis and Kansas City are expected to see temperatures climb above early August averages, while communities including Springfield, Columbia, Jefferson City, Joplin, Cape Girardeau, Independence, and St. Joseph should experience hot afternoons with only isolated to scattered thunderstorm development. Rainfall will likely be uneven, with some locations receiving brief downpours while neighboring communities remain dry. Drivers should remain alert for changing conditions along Interstates 35, 44, 49, 55, 70, and 64, where heavier showers could briefly reduce visibility and create ponding on roadways.
The combination of above-average temperatures and increasing humidity will create muggy conditions across much of Missouri, especially in central and eastern portions of the state. Residents planning outdoor work, county fairs, sporting events, or trips to the Lake of the Ozarks should stay hydrated, take breaks from the heat, and monitor local forecasts for isolated thunderstorms that could briefly interrupt outdoor activities.
The overall pattern favors continued above-average warmth through August 9, with precipitation generally remaining near climatological averages across Missouri. Additional outlooks from the National Weather Service will provide greater detail on the timing and location of isolated thunderstorm chances as the period approaches.
