When will the northern lights be visible? NOAA can forecast space weather conditions up to 27 days in advance, but just like a normal weather forecast, predictions can be wrong.

When will the northern lights be visible? NOAA can forecast space weather conditions up to 27 days in advance, but just like a normal weather forecast, predictions can be wrong.

FILE – An aurora borealis, also known as the northern lights, is seen in the night sky over the Tallinn bay of the Baltic sea in Tallinn, Estonia, April 2, 2025.

While conditions are expected to weaken through Monday, dropping from G3 and G4 strength to G1 and G2, the SWPC’s forecast does give several northern states another chance of seeing the aurora.