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Critical Weather Day has been declared.

REASON: Winter Storm ops across the Upper Midwest and Severe Thunderstorm ops from the Mid-South and Ohio Valley into the Southeast and Mid-Atlantic.
START: 0000Z Sun Mar 15 2026
END: 1200Z Tue Mar 17 2026

All steps will be taken to support critical Severe Thunderstorms and Winter Storm operations.Caution is also warranted for Severe Thunderstorms and Flooding operations.
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Outlook
Updated 0850Z Sun Mar 15 2026
12
18
00
06
Sun Mar 15: Critical
wxiconwxiconwxicon
12
18
00
06
Mon Mar 16: Critical
wxiconwxicon
12
18
00
06
Tue Mar 17: Normal


Critical Weather Day is in effect until 12Z March 17 in support of widespread major winter storm impacts across the Upper Midwest and severe thunderstorm impacts from the Mid-South and Ohio Valley into the Southeast and Mid-Atlantic.
Hazards
wx icon Severe Thunderstorms
SPC thunderstorm outlook
SPC thunderstorm outlook
SPC thunderstorm outlook
wx icon Wildfire
SPC fire weather outlook
SPC fire weather outlook
SPC fire weather outlook
wx icon Excessive Rainfall
WPC ERO
WPC ERO
WPC ERO
wx icon Winter Weather
WPC WSSI
WPC WSSI
WPC WSSI
wx icon Space Weather
There was an error retrieving space weather conditions. Please visit SWPC for the lastest on space weather.
Day 1
R1-R2
R3-R5
S1 or
greater
--
G
none
Day 2
R1-R2
--
R3-R5
--
S1 or
greater
--
G
none
Day 3
R1-R2
--
R3-R5
--
S1 or
greater
--
G
none
wx icon Tropical Cyclones
JTWC Product
NHC Product
NHC Product
wx iconFlooding
NWS FHO
wx iconTsunamis
Error retrieving tsunami alerts. Please visit Tsunami.gov for the latest tsunami threats
wx iconEarthquakes
Error retrieving earthquake data. Please visit USGS for the latest earthquake threats
wx iconVolcanoes
Error retrieving volcano data. Please visit USGS for the latest volcano threats