Arkansas, 2025

Heat in Arkansas, June 20, 2025

June 20, 2025 · NWS MEG · 9 events in 9 counties and zones

The first heat wave of 2025 started on June 20, 2025, as an upper-level ridge amplified into the Lower Mississippi Valley. High temperatures climbed into the 90s areawide, with the highest heat indices focused west of the Mississippi River.

Where it happened

Every event with a place to put it; 9 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
9

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 MEG wrote it up.

The first heat wave of 2025 started on June 20, 2025, as an upper-level ridge amplified into the Lower Mississippi Valley. High temperatures climbed into the 90s areawide, with the highest heat indices focused west of the Mississippi River.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before the first event at Jun 19, 5:34 PM CST, 16 hours 26 minutes earlier.

Area forecast discussion, Jun 19, 5:34 PM CST, 16 hours 26 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

9 heat. Local standard time, as filed.

Heat, Clay

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Clay forecast zone
Reported by
AWOS
Coordinates
36.368, -90.417 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 105 degrees.

Heat, Greene

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Greene forecast zone
Reported by
AWOS
Coordinates
36.118, -90.559 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 105 degrees.

Heat, Craighead

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Craighead forecast zone
Reported by
ASOS
Coordinates
35.831, -90.633 (the zone’s center; the record gives no point)

ASOS reported a maximum heat index of 105 degrees.

Heat, Poinsett

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Poinsett forecast zone
Reported by
AWOS
Coordinates
35.574, -90.663 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 105 degrees.

Heat, Cross

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Cross forecast zone
Reported by
AWOS
Coordinates
35.296, -90.771 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 106 degrees.

Heat, St. Francis

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
St. Francis forecast zone
Reported by
AWOS
Coordinates
35.022, -90.748 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 107 degrees.

Heat, Lee

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Lee forecast zone
Reported by
AWOS
Coordinates
34.781, -90.782 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 107 degrees.

Heat, Phillips

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Phillips forecast zone
Reported by
AWOS
Coordinates
34.428, -90.848 (the zone’s center; the record gives no point)

AWOS reported a maximum heat index of 108 degrees.

Heat, Crittenden

When
June 20, 10:00 AM CST to 7:00 PM CST
Where
Crittenden forecast zone
Reported by
ASOS
Coordinates
35.208, -90.309 (the zone’s center; the record gives no point)

ASOS reported a maximum heat index of 105 degrees.

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

More

Every storm in Arkansas in 2025Every state in 2025This day in weather historyWarnings in Arkansas, June 2025

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: 1274751, 1274752, 1274753, 1274754, 1274755, 1274756, 1274757, 1274758, 1274759.