SPC – No watches are valid as of Mon Apr 21 06:59:02 UTC 2025
No watches are valid as of Mon Apr 21 06:59:02 UTC 2025.
Watches and Warnings
SPC Tornado Watch 158
WW 158 TORNADO IL IN KY TN 210250Z – 210900Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 158 NWS Storm Prediction Center Norman OK 950 PM CDT Sun Apr 20 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Southern Illinois Southwest Indiana Western Kentucky Western Tennessee * Effective this Sunday night and Monday morning from 950 PM until 400 AM CDT. * Primary threats include... A couple tornadoes possible Isolated damaging wind gusts to 70 mph possible SUMMARY...The potential for severe thunderstorms, including a damaging wind and tornado risk, will develop east-northeastward through late evening and overnight, but generally on an increasingly isolated basis. The tornado watch area is approximately along and 30 statute miles east and west of a line from 150 miles north northeast of Paducah KY to 45 miles south southwest of Dyersburg TN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 155...WW 156...WW 157... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 23030. ...Guyer
SPC Tornado Watch 157
WW 157 TORNADO IL 210155Z – 210900Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 157 NWS Storm Prediction Center Norman OK 855 PM CDT Sun Apr 20 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northern Illinois * Effective this Sunday night and Monday morning from 855 PM until 400 AM CDT. * Primary threats include... A couple tornadoes possible Isolated damaging wind gusts to 70 mph possible SUMMARY...Associated with a line of storms, a brief tornado/wind damage risk may develop east-northeastward across additional parts of northern Illinois through mid/late evening. The tornado watch area is approximately along and 30 statute miles east and west of a line from 45 miles north northwest of Marseilles IL to 75 miles south southeast of Marseilles IL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 155...WW 156... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 22035. ...Guyer
SPC Tornado Watch 156
WW 156 TORNADO AR MO 202240Z – 210500Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 156 NWS Storm Prediction Center Norman OK 540 PM CDT Sun Apr 20 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Eastern Arkansas Far Southeast Missouri * Effective this Sunday afternoon from 540 PM until Midnight CDT. * Primary threats include... A few tornadoes possible Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Severe storms including supercells are expected to move into the region this evening, including tornado potential aside from large hail and damaging winds. The tornado watch area is approximately along and 45 statute miles east and west of a line from 35 miles northeast of Walnut Ridge AR to 25 miles southwest of Monticello AR. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 154...WW 155... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 23035. ...Guyer
SPC Tornado Watch 155
WW 155 TORNADO IA IL KY MO 202040Z – 210400Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 155 NWS Storm Prediction Center Norman OK 340 PM CDT Sun Apr 20 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of southeastern Iowa western and centrl Illinois far western Kentucky eastern Missouri * Effective this Sunday afternoon and evening from 340 PM until 1100 PM CDT. * Primary threats include... A few tornadoes and a couple intense tornadoes possible Scattered damaging wind gusts to 70 mph likely Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Ongoing strong/severe thunderstorms are forecast to continue moving eastward/northeastward across Missouri this afternoon and evening, spreading into parts of southeastern Iowa and Illinois over the next several hours. Along with some hail risk, damaging wind gusts are expected, along with potential for tornadoes -- a couple of which could be strong. The tornado watch area is approximately along and 60 statute miles east and west of a line from 30 miles north northeast of Burlington IA to 15 miles east southeast of Poplar Bluff MO. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 154... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 23040. ...Goss
