National Weather Service United States Department of Commerce

Hazardous Heat Expanding into the Central and Eastern U.S.; Severe Thunderstorms in the Midwest into the Upper Great Lakes

Hazardous heat will expand into the Central and Eastern U.S. this week. Extremely dangerous heat, particularly for urban areas of the Southeast and East Coast, is forecast Monday through midweek. Many daily record highs are possible. Strong to severe thunderstorms are expected over parts of the Midwest into the Upper Great Lakes Region Monday, with damaging winds as the primary threat. Read More >

This looping weather page (menu ☰ in upper-left of map) includes satellite imagery (visible, IR, and GeoColor), radar (via AWC and NWS), lightning (GLM data), SIGMETs/CWAs (AWC), PIREPs (AWC), observations (MesoWest), and alerts (NWS).

You can adjust the looping interval (in minutes, snapped to top of hour), number of frames, looping speed, and some overlays.

To force a refresh of the recent data, double-click the NWS logo.

The URL will auto-update with the current settings. To load a default set of parameters (GeoColor Satellite, NWS BREF, GLM, SIGMETs, CWAs, PIREP Intensity, and Alert Severity), click or put "&all=1&" into the URL. To change the default font, put "&fonts=&" with the font list after the = separated by commas and spaces converted to _. To reload this page without presets, please go to https://www.weather.gov/zse/WeatherLoop .



Radar Legend
Lightning Legend
SIGMET/CWA:
IFR   Turbulence   Icing
Convective   Vol Ash   Other SIGMET
Other CWA  (CWAs Dashed)
Flight Category:
VFR  MVFR
IFR  LIFR
Weather:
Convective   Freezing
Winter   Smoke/Ash
Liquid   Fog/Haze