Alert archive / Missouri / Tornado Warnings in 2026
Tornado Warning 20, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 17, 2026, 8:17 PM CDT for 4 counties in Missouri. It was in force for 43 min. 12 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 17, 2026, 8:17 PM CDT (01:17 UTC)
- Expired
- Apr 17, 2026, 9:00 PM CDT
- In force
- 43 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 01:20 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 8:20 PM CDT | TSTM WND DMG | 2 Sse Marion, MO | Tree limb down near 179 and Sunflower Road. Time estimated from radar. |
| Apr 17, 8:20 PM CDT | TORNADO | 2 Sse Marion, MO | Corrects previous tstm wnd dmg report from 2 SSE Marion. Tree limb down near 179 and Sunflower Road. Time estimated from radar. |
| Apr 17, 8:31 PM CDT | TORNADO | 2 Ne Carrington, MO | Corrects previous tornado report from 2 SSE Marion. High-resolution satellite imagery revealed 2 seperate tornado tracks. This 2.3 mile track ran from 2 NE Carrington, MO to to the Fulton, MO airport. This tornado was rated EF-0. |
| Apr 17, 8:33 PM CDT | TSTM WND DMG | 3 Wsw Fulton, MO | Part of a hangar roof was torn off at the Fulton Airport. |
| Apr 17, 8:33 PM CDT | TORNADO | 3 Wsw Fulton, MO | Corrects previous tstm wnd dmg report from 3 WSW Fulton. Part of a hangar roof was torn off at the Fulton Airport. |
| Apr 17, 8:34 PM CDT | TSTM WND DMG | 2 Wsw Fulton, MO | Via Facebook: A tree fell on a home. Timing and location based on radar and post. |
| Apr 17, 8:39 PM CDT | TSTM WND DMG | Fulton, MO | Via Facebook: small, healthy, fully leafed tree trunk at least 5-6 inches in diameter snapped a foot or so above trunk base. numbers estimated from damage photo. |
| Apr 17, 8:40 PM CDT | TSTM WND DMG | 1 N Fulton, MO | Via Facebook: video of damage on William Woods University campus. Large, healthy trees uprooted, large branches snapped, metal bleachers blown, debris in trees. |
| Apr 17, 8:40 PM CDT | TSTM WND DMG | 1 N Fulton, MO | 2 utility poles were downed in Fulton. Very large trees downed as well, especially near Backers Potato Chips. |
| Apr 17, 8:40 PM CDT | TSTM WND DMG | 1 Nne Fulton, MO | Stoplights at Bluff and Industrial Ave damaged, as is the sign for the Sonic on North Bluff Street and numerous street lights. |
| Apr 17, 8:40 PM CDT | TSTM WND DMG | 1 Nnw Fulton, MO | Old KFAL radio tower knocked down. |
| Apr 17, 8:42 PM CDT | TSTM WND GST 43 | 2 Ne Jefferson City, MO | Jefferson City airport. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 17, 3:31 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.3 hours before the alert went out and 255 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 404 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 1486 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 6.6
The text
As transmitted.
879
WFUS53 KLSX 180117
TORLSX
MOC019-027-051-135-180200-
/O.NEW.KLSX.TO.W.0020.260418T0117Z-260418T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
817 PM CDT Fri Apr 17 2026
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southeastern Boone County in central Missouri...
Callaway County in central Missouri...
Northwestern Cole County in central Missouri...
Northeastern Moniteau County in central Missouri...
* Until 900 PM CDT.
* At 817 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles south of Ashland, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
* This tornado will be near...
Ashland and Jefferson City around 820 PM CDT.
Lake Mykee Town, Lake Mykee, Holts Summit and Columbia Regional
Airport around 825 PM CDT.
New Bloomfield around 830 PM CDT.
Other locations impacted by the tornado include Hartsburg, Guthrie,
Carrington, Kingdom City and Reform.
This includes the following State Parks...
Rock Bridge State Park, Jewell Cemetery Historic Site and Jefferson
Landing Historic Site.
This includes Interstate 70 in Missouri between exits 128 and 155.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3857 9213 3852 9222 3862 9243 3873 9260
3876 9258 3908 9214 3908 9211 3906 9211
3906 9196 3881 9164
TIME...MOT...LOC 0116Z 240DEG 34KT 3869 9224
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
Elmore2 follow-up statements
380
WWUS53 KLSX 180138
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
838 PM CDT Fri Apr 17 2026
MOC135-180148-
/O.CAN.KLSX.TO.W.0020.000000T0000Z-260418T0200Z/
Moniteau MO-
838 PM CDT Fri Apr 17 2026
...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN MONITEAU COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However, gusty winds are
still possible with this thunderstorm.
A Tornado Watch remains in effect until 1100 PM CDT Friday for a
portion of central Missouri.
&&
LAT...LON 3876 9241 3877 9241 3879 9238 3882 9238
3882 9243 3885 9245 3908 9214 3908 9211
3906 9211 3906 9196 3881 9164 3852 9222
TIME...MOT...LOC 0117Z 240DEG 34KT 3869 9223
$$
MOC019-027-051-180200-
/O.CON.KLSX.TO.W.0020.000000T0000Z-260418T0200Z/
Boone MO-Callaway MO-Cole MO-
838 PM CDT Fri Apr 17 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM CDT FOR SOUTHEASTERN
BOONE, CALLAWAY AND NORTH CENTRAL COLE COUNTIES...
At 838 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Fulton, moving northeast at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Fulton around 840 PM CDT.
Other locations impacted by the tornado include Carrington and
Kingdom City.
This includes the following State Parks...
Rock Bridge State Park, Jewell Cemetery Historic Site and Jefferson
Landing Historic Site.
This includes Interstate 70 in Missouri between exits 128 and 155.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3876 9241 3877 9241 3879 9238 3882 9238
3882 9243 3885 9245 3908 9214 3908 9211
3906 9211 3906 9196 3881 9164 3852 9222
TIME...MOT...LOC 0117Z 237DEG 42KT 3870 9222
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
Elmore476
WWUS53 KLSX 180148
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
848 PM CDT Fri Apr 17 2026
MOC019-051-180158-
/O.CAN.KLSX.TO.W.0020.000000T0000Z-260418T0200Z/
Boone MO-Cole MO-
848 PM CDT Fri Apr 17 2026
...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN BOONE AND NORTH
CENTRAL COLE COUNTIES...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT Friday for a
portion of central Missouri.
&&
LAT...LON 3888 9215 3900 9189 3881 9164 3857 9213
3860 9220 3863 9220 3864 9222 3869 9222
3870 9223 3877 9216 3878 9217 3879 9216
3880 9216 3881 9214 3883 9215 3885 9214
3885 9215 3887 9215 3887 9216 3889 9215
TIME...MOT...LOC 0138Z 237DEG 42KT 3884 9195
$$
MOC027-180200-
/O.CON.KLSX.TO.W.0020.000000T0000Z-260418T0200Z/
Callaway MO-
848 PM CDT Fri Apr 17 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM CDT FOR CENTRAL
CALLAWAY COUNTY...
At 848 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Fulton, moving northeast at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Fulton around 850 PM CDT.
Other locations impacted by the tornado include Kingdom City.
This includes Interstate 70 in Missouri between exits 148 and 155.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3888 9215 3900 9189 3881 9164 3857 9213
3860 9220 3863 9220 3864 9222 3869 9222
3870 9223 3877 9216 3878 9217 3879 9216
3880 9216 3881 9214 3883 9215 3885 9214
3885 9215 3887 9215 3887 9216 3889 9215
TIME...MOT...LOC 0138Z 237DEG 42KT 3884 9195
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
BRCThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 7:21 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Pike, Ralls | 54 min |
| Apr 17, 7:42 PM CDT | Tornado Warning | LSX | Boone, Callaway, Cole, Moniteau | 48 min |
| Apr 17, 7:57 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau, Osage | 63 min |
| Apr 17, 8:30 PM CDT | Tornado Warning | LSX | Callaway, Cole, Osage | 45 min |
| Apr 17, 8:45 PM CDT | Tornado Warning | LSX | Audrain, Callaway, Montgomery | 45 min |
| Apr 17, 8:57 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Franklin, Gasconade, Montgomery, Osage, Warren | 48 min |
| Apr 17, 9:23 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Pike | 52 min |
| Apr 17, 9:29 PM CDT | Tornado Warning | LSX | Lincoln, Montgomery, Warren | 31 min |
| Apr 17, 9:36 PM CDT | Tornado Warning | LSX | Warren | 20 min |
| Apr 17, 9:42 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 48 min |
| Apr 17, 9:50 PM CDT | Tornado Warning | LSX | Lincoln | 25 min |
| Apr 17, 10:02 PM CDT | River Flood Warning | LSX | Lewis | 12 days |
| Apr 17, 10:14 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 31 min |
| Apr 18, 12:52 AM CDT | River Flood Warning | LSX | Lewis | 11 hr |
| Apr 18, 6:04 AM CDT | River Flood Warning | LSX | Osage | 15 hr |
| Apr 18, 9:59 AM CDT | River Flood Warning | LSX | Marion | 10 hr |
| Apr 18, 10:49 AM CDT | River Flood Warning | LSX | Cole | 63 hr |
| Apr 18, 12:05 PM CDT | River Flood Warning | LSX | Marion | 21 days |
| Apr 18, 12:05 PM CDT | River Flood Warning | LSX | Marion | 9 hr |
| Apr 18, 5:05 PM CDT | River Flood Warning | LSX | Reynolds | 16 hr |
Nearby
Tornado Warnings in Missouri, 2026Every tornado warning in 2026Tornadoes in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.