NWS, American, European side by side around Saint Peters and nearby towns.Live rain radar →
Loading the three model maps…
Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Saint Peters is a town of about 53,000 people in MO, sitting at 38.8°N in a temperate climate zone. NWS, American, European each forecast Saint Peters with their own physics, so we line all three up and flag where they disagree. Nearby towns include O'Fallon, Dardenne Prairie, Weldon Spring.
Common questions
What's the weather in Saint Peters today?
On this page we show what NWS, American, European each forecast for Saint Peters today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Saint Peters today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Saint Peters and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Saint Peters?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Saint Peters forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.