Syncing SPC…
Awaiting outlook data
Pulling the latest Storm Prediction Center outlooks.


J ALERT
Storm command online
No active NWS alerts in the national feed right now. J Alert keeps scanning every minute.
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TORNADO
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FLOOD
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TOTAL
Save a ZIP code to stream your hourly outlook.
Save a ZIP code above to load your 7-day threat forecast.
LIVE CONDITIONS · NATIONAL
CLEAR SKIES
DAYLIGHT · SET YOUR ZIP FOR LOCAL ANIMATION
Syncing SPC…
Awaiting outlook data
Pulling the latest Storm Prediction Center outlooks.
Syncing SPC…
Awaiting outlook data
Pulling the latest Storm Prediction Center outlooks.
Syncing SPC…
Awaiting outlook data
Pulling the latest Storm Prediction Center outlooks.
Live from the National Weather Service · updated every 60 seconds
Press a hazard above to map it and list the active alerts.
J Alert only emails you when severe weather is actually happening in your ZIP code — no daily noise. Every alert arrives with Andy J.'s branded video briefing for that exact threat: tornado warning, severe thunderstorm warning, flooding or potential rain.
One tap downloads J Alert as its own app on Android or iPhone — full icon, own window, right on your home screen. Then just drop in your ZIP code: severe weather there sends a notification straight to the top of your phone, even if the site is closed. Tap it and Andy J.'s pre-recorded briefing video opens and plays with the National Weather Service safety precautions for that exact warning.
Android can turn notifications on right away. iPhone requires J Alert to be added to the home screen first — open it from there, then switch notifications on.
The radar, the map and ZIP-code warning calls stay free forever — just put in your ZIP code and install the app. J Alert Pro adds Andy J.'s daily voice briefings, the call-to-call briefing alerts and the high-definition radar layer for $0.99 a month.
Free
$0
No account needed — your ZIP code is all it takes.
J Alert Pro
$0.99/ MONTH
Billed monthly, cancel any time. Payments are handled by our reseller Paddle, the Merchant of Record for all orders. See our refund policy and terms.