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Hazardous Weather Outlook
National Weather Service Tulsa OK
448 PM CDT Fri Jul 18 2025

ARZ001-002-010-011-019-020-029-OKZ049-053>076-191030-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
448 PM CDT Fri Jul 18 2025

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...This Evening and Tonight.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...Limited.
AREA...Far northeast Oklahoma and Northwest Arkansas.
ONSET...Ongoing.

DANGEROUS HEAT.
RISK...Elevated.
AREA...Eastern Oklahoma and West-Central Arkansas.
ONSET...Ongoing.

DISCUSSION...
A couple isolated showers or thunderstorms remain possible across
portions of far northwest Arkansas through early evening. Brief
heavy rain will be possible, but severe thunderstorms and
additional flooding are not expected if any storms do develop.

Dangerous heat will persist through early this evening, with heat
index values between 100 and 109 degrees across most of eastern
Oklahoma and also much of west-central Arkansas. A Heat Advisory
is in effect for all of southeast Oklahoma, portions of northeast
Oklahoma, and west central Arkansas through 8 PM this evening.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY THROUGH THURSDAY...Dangerous Heat Potential.

EXTENDED DISCUSSION...
A prolonged period of hot, humid, and dry weather is forecast for
this weekend through much of next week. Afternoon heat index
values of 100 to 110 degrees will be common across all eastern
Oklahoma and much of northwest Arkansas. The numerous days of hot
and humid conditions along with warm overnight low temperatures
will raise the heat stress risk across the region. Daily heat
headlines are likely.

weather.gov/tulsa contains additional information.

$$

Hazardous Weather Outlook
National Weather Service Springfield MO
259 PM CDT Fri Jul 18 2025

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-192000-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
259 PM CDT Fri Jul 18 2025

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Marginal thunderstorm wind damage risk.
  Elevated lightning risk.
  Elevated excessive heat risk.
  Limited excessive rainfall risk

DISCUSSION...

Scattered showers and thunderstorms with heavy rain are expected
today, mainly across the eastern Ozarks this afternoon and
tonight. The stronger storms will be capable of wind gusts up to
60 mph and intense rainfall rates. The heavy rain may lead to a
localized flooding risk.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Temperatures gradually increase into the low to mid 90s through
the weekend, with maximum heat index values up to 100 to 105
degrees. By the middle of next week, high temperatures in the mid
to upper 90s are possible, along with maximum heat index values up
to around 100-110 degrees. An Extreme Heat Warning is in effect
from 12 PM Saturday until 7 PM Wednesday.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be needed through tonight.

&&

More detailed information can be accessed at:
http://www.weather.gov/sgf/dsspacket

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

$$

Nelson

Hazardous Weather Outlook
National Weather Service Paducah KY
228 AM CDT Fri Jul 18 2025

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-191000-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
228 AM CDT Fri Jul 18 2025 /328 AM EDT Fri Jul 18 2025/

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms are expected today. All
storms will be capable of producing brief torrential rainfall and
lightning. Localized flash flooding is possible. A brief strong
storm with gusty winds cannot be ruled out.

A Heat Advisory is in effect for portions of southeast Missouri,
western Kentucky, and far southern Illinois. Peak heat indices of
105 to 109 are expected. Refer to the statement for more details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Isolated to scattered thunderstorms are expected through Tuesday.
All storms will be capable of producing brief torrential rainfall
and lightning. Localized flash flooding is possible.

A dangerous prolonged heatwave will build this weekend and
continue through most of next week. Daily heat indices of 105 to
115 are expected, potentially exceeding 120 by the middle of the
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

DW

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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