St. Clair, MO Weather Forecast
Franklin County, Missouri
Live radar, warnings and storm tracking for St. Clair, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for St. Clair
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
St. Clair, MO at a glance
St. Clair is home to about 4,716 people in Franklin County, across 4.8 square miles. It ranks 142nd by population of 211 places in Missouri with a forecast here. The nearest neighbour with its own forecast is Union, 6 miles away.
- County
- Franklin County
- Population
- 4,716 2023 est.
- Land area
- 4.8 sq mi
- People per sq mi
- 981
- Forecast point
- 38.3466°N, 90.9936°W
How well can the network see St. Clair?
The nearest Doppler radar is KLSX (St. Louis, MO), to the NE. Its lowest scan passes about 1,800 ft above St. Clair. That is about as close as US radar coverage gets: low-level rotation and gust fronts over St. Clair show up clearly. St. Clair is closer to its radar than 71% of US cities.
The closest weather station is KUUV (Sullivan Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near St. Clair
- Union, MO6 mi
- Sullivan, MO13 mi
- Washington, MO14 mi
- Pacific, MO16 mi
- Eureka, MO22 mi
- Byrnes Mill, MO24 mi
- Wildwood, MO24 mi
- Hillsboro, MO24 mi
Elsewhere in Missouri
Kansas CitySt. LouisSpringfieldColumbiaIndependenceLee's SummitAll Missouri forecasts →