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U.S. and Tropical Weather
Current surface observations, synoptic pattern analysis, and direct links to NOAA forecast products for North America and the Tropical Atlantic.
National Snapshot
Where the U.S. stands right now: yesterday's national temperature extremes, active NWS alerts, today's severe-weather risk, and CPC's 6–10 day outlook. Updates automatically from NOAA sources.
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Surface Mesoanalysis
Hourly national analysis from the Storm Prediction Center, built by objectively analyzing the latest surface observations over a short-range model first guess. As of November 2, 2026 SPC uses the RAP for that first guess; the RAP is retired on November 3, so SPC’s background model may change. Temperatures and dew points in °F, winds in knots.
Temp / Dew Point / Wind
National Radar & Satellite
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Radar: NEXRAD national base reflectivity composite from the Iowa Environmental Mesonet, updated every 5 minutes; the loop covers the past 55 minutes. Satellite: NOAA GOES-East (GOES-19) and GOES-West (GOES-18) band 13 infrared via the Iowa Environmental Mesonet, about every 5 minutes. The map refreshes itself every 5 minutes. Times are Eastern.
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Current Conditions
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Weather Tools
National Radar
MRMS composite reflectivity mosaic covering the contiguous United States.
GOES Satellite
Full-disk and CONUS views from GOES-East and GOES-West.
SPC Outlook
Day 1-3 convective outlooks from the Storm Prediction Center.
NHC Tropical
Atlantic and East Pacific cyclone advisories and two-day outlooks.
Model Guidance
GFS, ECMWF, and ensemble viewers for synoptic pattern analysis.
Surface Analysis
Current surface analysis charts with fronts and pressure centers.