This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.7037°N, -89.4073°.
NBM + global weather models
Updated: 12:48 AM
Weather in Washington
Over the next 10 days Washington tops out around 87° (Tuesday) and dips to 59° on the coolest night (Saturday). About 1.8 in of precipitation is expected in total; the most likely wet day is Friday (93% chance). Hold onto the patio furniture Wednesday: gusts could hit 30 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Washington is about 11° cooler than nearby St. Louis. Longer view: variable mid-latitude weather in every season.
Washington, IL · Elev 761 ft · 40.70°N, 89.41°W · Illinois · Forecast computed for these exact coordinates
DATA
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models