Heat in Ohio, July 1 to 31, 1999

Name: Heat in Ohio, July 1 to 31, 1999
Start: 1999-07-01T00:00
End: 1999-07-31T23:59
Location: Ohio

July 1 to 31, 1999 · NWS CLE · 29 events in 29 counties and zones

Temperatures across northern Ohio were much above normal. High temperatures reached the middle 90s several days and five daily record high temperatures were established at Mansfield and Youngstown.

Where it happened

Every event with a place to put it; 29 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 29

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CLE wrote it up.

Temperatures across northern Ohio were much above normal. High temperatures reached the middle 90s several days and five daily record high temperatures were established at Mansfield and Youngstown. An unofficial 100 degree temperature was measured in Sandusky County at Clyde on July 5th and the temperatures reached 100 degrees in Lake County near Painesville on the 31st. All major reporting stations in northern Ohio finished with average monthly temperatures among the ten warmest on record for July. Youngstown recorded its 6th warmest July on record with the 6th warmest July in Cleveland.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

29 heat. Local standard time, as filed.

Heat, Ashland

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Ashland forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.846, -82.271 (the zone’s center; the record gives no point)

Heat, Ashtabula

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Ashtabula forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.896, -80.759 (the zone’s center; the record gives no point)

Heat, Crawford

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Crawford forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.851, -82.920 (the zone’s center; the record gives no point)

Heat, Cuyahoga

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Cuyahoga forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.479, -81.678 (the zone’s center; the record gives no point)

Heat, Erie

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Erie forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.432, -82.700 (the zone’s center; the record gives no point)

Heat, Geauga

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Geauga forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.500, -81.179 (the zone’s center; the record gives no point)

Heat, Hancock

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Hancock forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.002, -83.666 (the zone’s center; the record gives no point)

Heat, Henry

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Henry forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.334, -84.068 (the zone’s center; the record gives no point)

Heat, Holmes

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Holmes forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.561, -81.929 (the zone’s center; the record gives no point)

Heat, Huron

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Huron forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.146, -82.598 (the zone’s center; the record gives no point)

Heat, Knox

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Knox forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.399, -82.421 (the zone’s center; the record gives no point)

Heat, Lake

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Lake forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.714, -81.245 (the zone’s center; the record gives no point)

Heat, Lorain

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Lorain forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.453, -82.151 (the zone’s center; the record gives no point)

Heat, Lucas

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Lucas forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.684, -83.468 (the zone’s center; the record gives no point)

Heat, Mahoning

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Mahoning forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.015, -80.776 (the zone’s center; the record gives no point)

Heat, Marion

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Marion forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.587, -83.161 (the zone’s center; the record gives no point)

Heat, Medina

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Medina forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.118, -81.900 (the zone’s center; the record gives no point)

Heat, Morrow

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Morrow forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.524, -82.794 (the zone’s center; the record gives no point)

Heat, Ottawa

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Ottawa forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.497, -82.941 (the zone’s center; the record gives no point)

Heat, Portage

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Portage forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.168, -81.197 (the zone’s center; the record gives no point)

Heat, Richland

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Richland forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.775, -82.536 (the zone’s center; the record gives no point)

Heat, Sandusky

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Sandusky forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.357, -83.144 (the zone’s center; the record gives no point)

Heat, Seneca

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Seneca forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.124, -83.128 (the zone’s center; the record gives no point)

Heat, Stark

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Stark forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.814, -81.366 (the zone’s center; the record gives no point)

Heat, Summit

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Summit forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.126, -81.532 (the zone’s center; the record gives no point)

Heat, Trumbull

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Trumbull forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.317, -80.761 (the zone’s center; the record gives no point)

Heat, Wayne

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Wayne forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.829, -81.888 (the zone’s center; the record gives no point)

Heat, Wood

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Wood forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 41.362, -83.623 (the zone’s center; the record gives no point)

Heat, Wyandot

When: July 1, 12:00 AM EST to July 31, 11:59 PM EST
Where: Wyandot forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 40.842, -83.304 (the zone’s center; the record gives no point)

What these are

Heat: Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Ohio in 1999 Every state in 1999 This day in weather history Warnings in Ohio, July 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5712477, 5712478, 5712479, 5712480, 5712481, 5712482, 5712483, 5712484, 5712485, 5712486, 5712487, 5712488, 5712489, 5712490, 5712548, 5712549, 5712550, 5712551, 5712552, 5712553, 5712554, 5712555, 5712556, 5712557, 5712558, 5712559, 5712560, 5712561, 5712562.