Severe thunderstorms are erupting across the southeastern United States and may produce dangerous tornadoes. For live reports, click here.
Residents in the burn areas around California are being put on alert for major mud flows and flooding as the start of spring is expected to coincide with the return of rain across the state.
Conditions are ideal for wildfire ignition and rapid spread over the southern Plains into Friday night.
This weekend will bring a great opportunity for stargazers to see the zodiacal light, an eerie glow near the horizon which is only visible around the equinox.