Weather Tools

Choose observations, model guidance or ensemble uncertainty. New here? Start with this guide.

GEFS Ensemble Forecast Viewer

Explore free GEFS ensemble probabilities, QPF, anomalies and spaghetti plots.

GEFS maps and precipitation plumes are free without signing in. GEFS temperature plumes require Premium.

Explore ECMWF EPS ensemble guidance with free maps through F024.

Map guidance through F024 is free without signing in. Later guidance and EPS precipitation and temperature plumes require Premium.

Explore ECMWF’s AI ensemble, with free SKC Weather maps through F024.

Map guidance through F024 is free without signing in. Later guidance and AIFS precipitation and temperature plumes require Premium.

Generate and interpret location-based GEFS, ECMWF EPS and AIFS ensemble plumes.

GEFS precipitation plumes are free without signing in. GEFS temperature and EPS/AIFS precipitation and temperature plumes require Premium.

Explore RRFS forecast reflectivity, visibility, ceiling and available weather layers.

RRFS is free without signing in.

Explore recent MRMS radar observations and understand frame times and radar limitations.

MRMS radar is free without signing in.