Alert archive / Iowa / Tornado Warnings in 2026

Tornado Warning 39, NWS Quad Cities, IA

April 17, 2026Jefferson County, Van Buren County, Iowa

NWS Quad Cities, IA issued this tornado warning at Apr 17, 2026, 4:27 PM CDT for Jefferson County, Van Buren County, Iowa. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 17, 2026, 4:27 PM CDT (21:27 UTC)
Expired
Apr 17, 2026, 5:15 PM CDT
In force
48 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Jefferson County, IA, Van Buren County, IA

The radar

The Quad Cities radar (KDVN), 139 km from the middle of the area, began a volume at 21:30 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 17, 12:40 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.5 hours before the alert went out and 301 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2026-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
84 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
1053 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

928 
WFUS53 KDVN 172127
TORDVN
IAC101-177-172215-
/O.NEW.KDVN.TO.W.0039.260417T2127Z-260417T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
427 PM CDT Fri Apr 17 2026

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Northwestern Van Buren County in southeastern Iowa...
  Jefferson County in southeastern Iowa...

* Until 515 PM CDT.

* At 426 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located
  along a line extending from near Floris to Lebanon, moving
  northeast at 45 mph.

  HAZARD...Tornado and quarter size hail.

  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.

* These dangerous storms will be near...
  Douds, Leando, Mount Zion, Selma, Kilbourn, and Van Buren County 
  Fairgrounds around 430 PM CDT.
  Birmingham and Collett around 435 PM CDT.
  Batavia and Libertyville around 440 PM CDT.
  Fairfield, Jefferson County Fairgrounds, and Jefferson County Park 
  around 445 PM CDT.

Other locations in the path of these tornadic storms include
Lockridge, Maharishi Vedic City, Brookville, Fairfield Municipal
Airport, Beckwith, Salina, Perlee and Mac Coon Access.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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.

&&

LAT...LON 4115 9218 4106 9172 4103 9172 4067 9200
      4071 9218
TIME...MOT...LOC 2126Z 223DEG 40KT 4083 9233 4075 9206 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Gunkel
2 follow-up statements
174 
WWUS53 KDVN 172139
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
439 PM CDT Fri Apr 17 2026

IAC101-177-172215-
/O.CON.KDVN.TO.W.0039.000000T0000Z-260417T2215Z/
Van Buren IA-Jefferson IA-
439 PM CDT Fri Apr 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHWESTERN VAN BUREN AND JEFFERSON COUNTIES...

At 439 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from Eldon to near Birmingham, moving east at 45 mph.

HAZARD...Tornado and quarter size hail.

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.

These dangerous storms will be near...
  Birmingham, Libertyville, Douds, and Collett around 445 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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.

&&

LAT...LON 4115 9218 4106 9172 4103 9172 4067 9200
      4071 9218
TIME...MOT...LOC 2139Z 270DEG 40KT 4092 9222 4084 9195 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Gunkel
776 
WWUS53 KDVN 172204
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
504 PM CDT Fri Apr 17 2026

IAC101-177-172215-
/O.CON.KDVN.TO.W.0039.000000T0000Z-260417T2215Z/
Van Buren IA-Jefferson IA-
504 PM CDT Fri Apr 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHWESTERN VAN BUREN AND EASTERN JEFFERSON COUNTIES...

At 504 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Maharishi Vedic City to Mac Coon Access,
moving east at 45 mph.

HAZARD...Tornado and quarter size hail.

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.

Locations impacted include...
  Salina, Perlee and Mac Coon Access.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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.

&&

LAT...LON 4106 9172 4103 9172 4067 9200 4082 9209
      4112 9203
TIME...MOT...LOC 2204Z 270DEG 40KT 4112 9198 4104 9171 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Gunkel

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 17, 11:21 AM CDTRiver Flood WarningDVNMuscatine, Scott10 days
Apr 17, 11:21 AM CDTRiver Flood WarningDVNMuscatine21 days
Apr 17, 12:46 PM CDTFlood WatchDVNBuchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque and 10 more12 hr
Apr 17, 12:47 PM CDTSevere Thunderstorm WarningDVNDelaware, Dubuque, Jones, Linn58 min
Apr 17, 12:59 PM CDTSevere Thunderstorm WarningDVNCedar, Clinton, Jackson, Johnson, Jones, Linn61 min
Apr 17, 1:10 PM CDTSevere Thunderstorm WarningDVNDelaware, Dubuque, Jackson, Jones65 min
Apr 17, 1:45 PM CDTTornado WarningDVNDubuque, Jackson45 min
Apr 17, 1:56 PM CDTSevere Thunderstorm WarningDVNClinton, Dubuque, Jackson, Jones64 min
Apr 17, 2:11 PM CDTTornado WarningDVNDubuque, Jackson49 min
Apr 17, 2:14 PM CDTTornado WarningDVNJackson46 min
Apr 17, 2:23 PM CDTFlash Flood WarningDVNDubuque, Jackson6 hr
Apr 17, 2:48 PM CDTTornado WarningDVNJackson42 min
Apr 17, 3:24 PM CDTSevere Thunderstorm WarningDVNBenton, Iowa, Johnson, Linn66 min
Apr 17, 3:25 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson35 min
Apr 17, 3:29 PM CDTSevere Thunderstorm WarningDVNBenton, Buchanan, Iowa, Johnson, Linn76 min
Apr 17, 3:47 PM CDTTornado WarningDVNBenton, Linn43 min
Apr 17, 4:00 PM CDTSevere Thunderstorm WarningDVNBuchanan, Delaware, Dubuque60 min
Apr 17, 4:13 PM CDTSevere Thunderstorm WarningDVNHenry, Jefferson, Keokuk, Van Buren, Washington77 min
Apr 17, 4:18 PM CDTTornado WarningDVNBuchanan, Delaware, Jones, Linn42 min
Apr 17, 4:22 PM CDTTornado WarningDVNJones, Linn38 min
Apr 17, 4:23 PM CDTSevere Thunderstorm WarningDVNDes Moines, Lee, Van Buren54 min
Apr 17, 4:36 PM CDTTornado WarningDVNHenry, Jefferson, Keokuk, Washington54 min
Apr 17, 4:48 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNDubuque, Jackson, Jones57 min
Apr 17, 4:53 PM CDTSevere Thunderstorm WarningDVNDelaware, Dubuque52 min
Apr 17, 4:54 PM CDTTornado WarningDVNDelaware, Dubuque, Jackson66 min
Apr 17, 4:58 PM CDTTornado WarningDVNDubuque, Jackson, Jones62 min
Apr 17, 5:08 PM CDTTornado WarningDVNCedar, Johnson, Louisa, Muscatine, Washington52 min
Apr 17, 5:12 PM CDTSevere Thunderstorm Warning Destructive damage threatDVNCedar, Johnson, Louisa, Muscatine, Washington63 min
Apr 17, 5:19 PM CDTSevere Thunderstorm WarningDVNLee41 min
Apr 17, 5:26 PM CDTSevere Thunderstorm WarningDVNCedar, Dubuque, Jones, Linn31 min
Apr 17, 5:27 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNDes Moines, Henry, Jefferson, Lee, Louisa, Van Buren and 1 more63 min
Apr 17, 5:30 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNJackson75 min
Apr 17, 5:43 PM CDTTornado WarningDVNCedar, Clinton, Scott62 min
Apr 17, 5:46 PM CDTTornado WarningDVNDes Moines, Henry, Louisa24 min
Apr 17, 5:47 PM CDTTornado WarningDVNLee43 min
Apr 17, 5:51 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNClinton, Muscatine, Scott54 min
Apr 17, 5:55 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNLee50 min
Apr 17, 6:06 PM CDTSevere Thunderstorm Warning Destructive damage threatDVNClinton, Muscatine, Scott42 min
Apr 17, 6:31 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNLee59 min
Apr 17, 6:37 PM CDTSevere Thunderstorm Warning Considerable damage threatDVNClinton68 min

Nearby

Tornado Warnings in Iowa, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.