Kp 5 tonight, with clouds

Clouds and overcast again in much of AK tonight. If you are in an area with clear skies, the aurora is out, and expected to put in a show tonight. Clear or possible clear areas: Delta, Salcha, Eielson AFB, Kotzebue, Summit. Expected Kp level 5. YES that is a FIVE!

From twitter, I found a post from Astronaut Chris Hadfield. @Cmdr_Hadfield
Just crossed N America in the night, from N of Vancouver to right over Boston. An incredible 9 minutes, aurora shimmering like magic.