Invest 97L Could Threaten Caribbean Late Next Week | Weather.com The National Hurricane Center has turned its gaze to an area of low pressure near the Cabo Verde Islands, which has a high chance of developing into a tropical depression or storm. Its potential impac...

Odds Of Tropical Development Increasing With Disturbance Near Africa
Invest 97-L Crossing The Main Development Region
Its potential impacts to the Caribbean, the Bahamas, the Dominican Republic and Bermuda are uncertain.
weather.com/storms/hurri...

E Colorado, W Kansas, Near the Kansas/Oklahoma Border, SW Missouri
Thunderstorms expected to bridge across from CO near the KS/OK border over next six hours. Hourly rain to 3" with totals to 5" should allow for flash flooding. #mowx #okwx #kswx #txwx #cowx #nmwx
www.wpc.ncep.noaa.gov/metwatch/met...

Severe Thunderstorm Watch 586
W Kansas, SW Nebraska, Oklahoma/Texas Panhandles
Until 300 AM CDT
Damaging winds/isolated significant gusts to 75 mph possible
Large hail/isolated very large hail to 2" diameter possible
A tornado or two possible
#kswx #newx #okwx #txwx
www.spc.noaa.gov/products/wat...

Southern Wisconsin
A convective cluster is moving briskly, along with additional thunderstorms forming in its neighborhood. Hourly rain amounts to 2" with local totals to 4" remain possible. #wiwx #ilwx #iawx
www.wpc.ncep.noaa.gov/metwatch/met...

National Water Center
The National Water Center has issued the afternoon National Flood Hazard Outlook, valid through 7:00 AM CDT on Monday, August 18, 2025. More information is available at: water.noaa.gov/operations/fho #flooding

Portions of the Texas Big Bend, S New Mexico, S Arizona
Showers/thunderstorms continue to hold on across the region, and should do so for another several hours. Until they wane tonight, hourly amounts to 2" with local totals to 4" possible. #txwx #nmwx #azwx
www.wpc.ncep.noaa.gov/metwatch/met...

IVO RESILIENTLY MAINTAINING SHOWERS AND THUNDERSTORMS OVER COOL WATER
STILL EXPECTED TO BECOME A REMNANT LOW ON MONDAY
The remnant low is forecast to dissipate on Tuesday.
www.nhc.noaa.gov/text/refresh...

HENRIETTE RAPIDLY INTENSIFIES INTO A HURRICANE
FURTHER STRENGTHENING EXPECTED
Further strengthening is anticipated over the next day or so, followed by weakening by Tuesday.
www.nhc.noaa.gov/text/refresh...

Portions of NE Iowa, SW Wisconsin
A small cluster of thunderstorms is trying to organize as it moves east-northeast. Hourly amounts to 2" with local totals to 4" possible, which could lead to instances of flash flooding. #wiwx #ilwx #iawx
www.wpc.ncep.noaa.gov/metwatch/met...

Portions of Eastern Colorado
Showers/thunderstorms in the mountains of central CO are about to emerge into the High Plains. Hourly amounts to 2.5" with local totals to 4" possible, which could lead to flash flood concerns. #newx #kswx #okwx #cowx #nmwx #wywx
www.wpc.ncep.noaa.gov/metwatch/met...

In/Near S Missouri & SE Kansas
Showers/thunderstorms expected to give way to new activity to the W/NW. Hourly amounts to 3" with totals to 5" possible. Scattered flash flooding impacts expected primarily with urban areas/the Ozarks. #mowx #ilwx #arwx #okwx #kswx
www.wpc.ncep.noaa.gov/metwatch/met...

In and Near Portions of SE Arizona & New Mexico
Showers/thunderstorms have begun to form. Hourly rain amounts to 2" with totals to 4" possible. This rainfall would be problematic in urban areas, dry washes/arroyos, & areas with burn scars. #azwx #nmwx #txwx
www.wpc.ncep.noaa.gov/metwatch/met...

Severe Thunderstorm Watch 585
E Colorado, NW Kansas, SW Nebraska, NE New Mexico
Until 800 PM MDT
Large hail likely with isolated very large hail to 2.5" diameter possible
Damaging wind gusts to 70 mph possible
A tornado or two possible
#cowx #kswx #newx #nmwx
www.spc.noaa.gov/products/wat...

IVO FORECAST TO BECOME A REMNANT LOW BY EARLY MONDAY
Weakening is forecast, and Ivo is expected to degenerate into a remnant low by early Monday. The remnant low is likely to dissipate on Tuesday.
www.nhc.noaa.gov/text/refresh...

HENRIETTE INTENSIFYING QUICKLY WELL NORTHEAST OF THE HAWAIIAN ISLANDS
Some strengthening is forecast during the next 48 hours, and Henriette could become a hurricane tonight or tomorrow. #hiwx
www.nhc.noaa.gov/text/refresh...

SE Wisconsin
Additional heavy rain with peak hourly rainfall of 1-2" will worsen ongoing flooding conditions in the Milwaukee metro rest of this morning. #wiwx
www.wpc.ncep.noaa.gov/metwatch/met...

Invest 97-L in the Eastern Tropical Atlantic
[Area in red] Regardless of development, locally heavy rainfall and gusty winds are possible today and Monday across the Cabo Verde Islands, Interests there should monitor the progress of this system. #tropics
www.nhc.noaa.gov/text/refresh...

Severe Thunderstorm Watch 583
SE Colorado
Until 300 AM MDT

* Primary threats include...
Isolated very large hail to 2" diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
#cowx
www.spc.noaa.gov/products/wat...

Eastern Georgia, South Carolina Lowcountry
Locally concentrated bands of showers with high rainfall rates will continue to be a threat going into the overnight hours. Additional urban flooding impacts will be possible. #scwx #gawx
www.wpc.ncep.noaa.gov/metwatch/met...

Severe Thunderstorm Watch 582
SW Iowa, W/N Kansas, S Nebraska
Until 400 AM CDT.
Damaging winds likely with isolated significant gusts to 80 mph possible
Large hail/isolated very large hail to 2" diameter possible
A tornado or two possible
#iawx #kswx #newx
www.spc.noaa.gov/products/wat...

Gifford Wildfire Explodes To 'Megafire' Status | Weather.com California’s largest wildfire of 2025 has exploded in size, prompting urgent evacuations as fire-fueling heat grips the region.

Gifford Fire Becomes California 'Megafire,' Forcing Thousands To Evacuate
California’s largest wildfire of 2025 has exploded in size, prompting urgent evacuations as fire-fueling heat grips the region.
weather.com/news/weather...

S Wisconsin, N Illinois, E Iowa
Increasing coverage of very heavy shower/thunderstorms expected this evening/overnight. Slow-moving/locally backbuilding/training cells expected. This will promote flash flooding, some of which may be significant #ilwx #wiwx #iawx
www.wpc.ncep.noaa.gov/metwatch/met...

E Colorado, Much of N Kansas, S Nebraska
Increasing coverage of supercell thunderstorms is expected this evening. Locally high rainfall rates and cell-merger activity will pose at least an isolated threat for flash flooding. #mowx #newx #kswx #iawx #cowx
www.wpc.ncep.noaa.gov/metwatch/met...

NOAA NWS Weather Prediction Center
Storms along a stalling front expected to bring very heavy rainfall to portions of the Midwest, especially during the overnight hours Saturday/early Sunday morning. Plan ahead by having multiple ways to receive warnings, supplies ready, evacuation routes reviewed.

HENRIETTE REGAINS TROPICAL STORM STRENGTH
Maximum sustained winds are near 40 mph with higher gusts. Some strengthening is forecast during the next couple of days.
www.nhc.noaa.gov/text/refresh...

South Carolina Pee Dee/Lowcountry, Far E
Georgia, NE Florida
Bands of heavy showers/thunderstorms should increase over the next few hours. Very heavy rainfall rates likely, which will pose a threat for urban flash flooding/inundation concerns. #scwx #flwx #gawx
www.wpc.ncep.noaa.gov/metwatch/met...

Portions of Far NE Missouri, Far SE Iowa, Central/N Illinois
Damaging gusts may occur with stronger storms that manage to mature and sustain themselves.
The need of a Severe Thunderstorm Watch, should storms become more abundant/organized. #ilwx #wiwx #iawx #mowx
www.spc.noaa.gov/products/md/...

Severe Thunderstorm Watch 581
NE Colorado, NW Kansas, SW Nebraska
Until 900 PM MDT
Scattered large hail likely with isolated very large hail to 3" diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
#cowx #kswx #newx
www.spc.noaa.gov/products/wat...

E Colorado, W Kansas, Far SW Nebraska
Multiple rounds of severe thunderstorms possible this afternoon into the overnight. Large hail/damaging winds the most likely hazards, but tornadoes cannot be ruled out. A watch is likely later this afternoon. #kswx #newx #cowx
www.spc.noaa.gov/products/md/...