Back to MWA Tool · NOAA SPC

Severe weather outlook

Storm Prediction Center convective risk for Days 1, 2, 3, and the 4–8 day extended window. Updated multiple times daily.

SPC Severe Outlook

Storm Prediction Center · convective risk

SPC Day 1 severe weather outlook
TSTM MRGL SLGT ENH MDT HIGHSPC site →

How to read it

  • TSTM — general thunderstorm risk, no severe expected.
  • MRGL / SLGT — isolated to scattered severe storms possible.
  • ENH — numerous severe storms likely, organized hazards.
  • MDT — widespread / intense severe weather expected.
  • HIGH — rare; a regional outbreak is expected.