Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 118
NWS Storm Prediction Center Norman OK
510 PM CDT Fri Apr 4 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South Central Illinois
Southern Missouri
* Effective this Friday afternoon from 510 PM until Midnight CDT.
* Primary threats include...
Scattered damaging wind gusts to 60 mph likely
Scattered large hail events to 1.5 inches in diameter likely
A tornado or two possible
SUMMARY...Clusters of thunderstorms will overspread the watch area
through the evening, posing a risk of large hail and perhaps locally
damaging wind gusts.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 30 miles south of
Springfield MO to 50 miles east of Mount Vernon IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 113...WW 114...WW
115...WW 116...WW 117...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 50 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
24035.
...Hart
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 118
NWS Storm Prediction Center Norman OK
510 PM CDT Fri Apr 4 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South Central Illinois
Southern Missouri
* Effective this Friday afternoon from 510 PM until Midnight CDT.
* Primary threats include...
Scattered damaging wind gusts to 60 mph likely
Scattered large hail events to 1.5 inches in diameter likely
A tornado or two possible
SUMMARY...Clusters of thunderstorms will overspread the watch area
through the evening, posing a risk of large hail and perhaps locally
damaging wind gusts.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 30 miles south of
Springfield MO to 50 miles east of Mount Vernon IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 113...WW 114...WW
115...WW 116...WW 117...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 50 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
24035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 118 SEVERE TSTM IL MO 042210Z - 050500Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
30S SGF/SPRINGFIELD MO/ - 50E MVN/MOUNT VERNON IL/
..AVIATION COORDS.. 35NM N/S /35S SGF - 25NNW PXV/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..50 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 24035.
LAT...LON 37369338 38908795 37748795 36219338
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 118 Status Report Messages:
STATUS REPORT #4 ON WW 118
VALID 050240Z - 050340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WSW CGI
TO 15 ENE SLO.
..SUPINIE..04/05/25
ATTN...WFO...PAH...LSX...SGF...
&&
STATUS REPORT FOR WS 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC047-055-065-081-185-191-193-050340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
EDWARDS FRANKLIN HAMILTON
JEFFERSON WABASH WAYNE
WHITE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 118
VALID 050145Z - 050240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ESE UMN
TO 30 NW POF TO 5 WNW SLO.
..SUPINIE..04/05/25
ATTN...WFO...PAH...LSX...SGF...
&&
STATUS REPORT FOR WS 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC047-055-065-081-145-185-191-193-050240-
IL
. ILLINOIS COUNTIES INCLUDED ARE
EDWARDS FRANKLIN HAMILTON
JEFFERSON PERRY WABASH
WAYNE WHITE
$$
MOC017-035-091-149-153-157-213-223-050240-
MO
. MISSOURI COUNTIES INCLUDED ARE
BOLLINGER CARTER HOWELL
OREGON OZARK PERRY
TANEY WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 118
VALID 050045Z - 050140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE UMN
TO 30 WSW FAM TO 25 WSW BLV.
..SUPINIE..04/05/25
ATTN...WFO...PAH...LSX...SGF...
&&
STATUS REPORT FOR WS 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC047-055-065-081-145-157-185-189-191-193-050140-
IL
. ILLINOIS COUNTIES INCLUDED ARE
EDWARDS FRANKLIN HAMILTON
JEFFERSON PERRY RANDOLPH
WABASH WASHINGTON WAYNE
WHITE
$$
MOC017-035-067-091-093-123-149-153-157-179-186-187-203-213-223-
050140-
MO
. MISSOURI COUNTIES INCLUDED ARE
BOLLINGER CARTER DOUGLAS
HOWELL IRON MADISON
OREGON OZARK PERRY
REYNOLDS STE. GENEVIEVE ST. FRANCOIS
SHANNON TANEY WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 118
VALID 042305Z - 050040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 S SGF TO
40 ESE SGF TO 5 SW VIH.
..LYONS..04/04/25
ATTN...WFO...PAH...LSX...SGF...
&&
STATUS REPORT FOR WS 118
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC047-055-065-081-145-157-185-189-191-193-050040-
IL
. ILLINOIS COUNTIES INCLUDED ARE
EDWARDS FRANKLIN HAMILTON
JEFFERSON PERRY RANDOLPH
WABASH WASHINGTON WAYNE
WHITE
$$
MOC017-035-055-065-067-091-093-123-149-153-157-161-179-186-187-
203-213-215-221-223-229-050040-
MO
. MISSOURI COUNTIES INCLUDED ARE
BOLLINGER CARTER CRAWFORD
DENT DOUGLAS HOWELL
IRON MADISON OREGON
OZARK PERRY PHELPS
REYNOLDS STE. GENEVIEVE ST. FRANCOIS
SHANNON TANEY TEXAS
WASHINGTON WAYNE WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
@NWSSPC
