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Severe Thunderstorm Warning for La Salle, IL

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
La Salle
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 613 PM CDT, a severe thunderstorm was located near Mendota, moving southeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mendota, Earlville,...

What the bulletin says to do

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Read official NWS bulletin

Full official description

Bulletin details

At 613 PM CDT, a severe thunderstorm was located near Mendota, moving southeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mendota, Earlville, Leland, Troy Grove, Prairie Center, Triumph, and Harding.

Lifecycle record

Official revisions

4 captured
  1. Update

    Severe Thunderstorm Warning issued August 21 at 6:13PM CDT until August 21 at 6:30PM CDT by NWS Chicago IL

    Official revision
  2. Update

    Severe Thunderstorm Warning issued August 21 at 5:58PM CDT until August 21 at 6:30PM CDT by NWS Chicago IL

    Official revision
  3. Update

    Severe Thunderstorm Warning issued August 21 at 5:50PM CDT until August 21 at 6:30PM CDT by NWS Chicago IL

    Official revision
  4. Alert

    Severe Thunderstorm Warning issued August 21 at 5:44PM CDT until August 21 at 6:30PM CDT by NWS Chicago IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections