Rain, snow, storms, wind, heat — checked against your plans in one tap. Free. No sign-up. US forecasts straight from the National Weather Service.
Works for any US ZIP code. Your location never leaves your browser.
Checking the sky…
Verdict
Chance of precipitation — next 12 hours
Live city verdicts:
Big days:
Practical reads on planning around weather:
Tell us where you are and when your plans happen. We pull the official hourly forecast for your exact location from the National Weather Service — the same data every weather app uses, minus the clutter — and check it for anything that could wreck your plans: rain, snow, ice, thunderstorms, high winds, extreme heat, and bitter cold. Then we give you a straight answer instead of a wall of numbers.
We flag rain or snow when the chance passes 40% during your window, any thunderstorm or winter storm conditions, sustained winds above 25 mph, heat at or above 95°F, cold at or below 20°F, and every active National Weather Service alert for your area — from severe thunderstorm warnings to winter storm watches.
Completely. No account, no app to install, no limit on checks. Bookmark it and check every plan you make.
Our forecasts come directly from the National Weather Service, the US government's official forecasting agency. That keeps the data accurate, fast, and free — but it means we only cover the United States and its territories for now.
Open any weather app and you're handed data: a percentage, a temperature, an icon, a ten-day strip. What you actually wanted was a decision — can I do the thing I'm planning? Translating raw forecast data into that decision takes knowledge most people don't have and shouldn't need: what a 40% chance really promises, whether afternoon storms will clear by evening, whether 25 mph wind matters for a tent, at what point heat stops being uncomfortable and starts being unsafe.
Weather or Not does that translation. You give it a place and a window of time; it reads the official National Weather Service hourly forecast for that exact spot, applies the thresholds that actually change plans, checks for active government alerts, and returns one sentence. Underneath the sentence, the full hourly data stays visible for anyone who wants to see the reasoning — but the sentence is the product.
Rain and snow probability during your specific hours, not the daily average. Thunderstorm and winter-storm conditions from the forecast text. Sustained wind above 25 mph, the point at which canopies, umbrellas, and outdoor décor start failing. Heat at or above 95°F and cold at or below 20°F, the thresholds where outdoor exposure becomes a health question rather than a comfort one. And every active National Weather Service watch, warning, and advisory for your location — those override everything else, because a probability is a guess while a warning is an observation.
The feature regular users end up relying on most isn't the verdict at all — it's the dry window. Given the next twelve hours, the site scans for your longest continuous stretch with low precipitation chance and reports it as a time range. That's the answer to the real question behind most summer weather checks: not "will it rain today" but "when can I mow the lawn, walk the dog, run the errand, or get the party started before it does."
Every forecast on this site comes directly from the National Weather Service — the United States government's official forecasting agency, and the upstream source most commercial weather apps quietly repackage. We add no proprietary model and make no independent prediction; the value we add is interpretation and timing, not data. That also means the site is limited to the United States and its territories, and that hourly detail extends about seven days out, which is the honest limit of hourly forecasting anywhere.
There's no sign-up, no app to install, and no limit on how often you check. Your ZIP code or location is used to fetch a forecast and is never stored on our servers, because we don't run a server that could store it — the whole tool runs in your browser and talks directly to the weather service. Bookmark it, check it before every plan you make, and send it to whoever in your life is always the one asking whether the cookout is still on.