Stay ahead of the storm with ClickUSANews’ SEO-optimized USA weather forecast for August 18, 2025. From Hurricane Erin’s dangerous rip currents to record-breaking flash floods and scorching heatwaves, we’ve got you covered with a detailed state-by-state breakdown. Discover critical weather alerts, including flash floods, hurricanes, heatwaves, earthquakes, and tsunami risks, to keep you safe and informed. Read on for the latest weather updates tailored for ClickUSANews readers!

National Weather Overview: August 18, 2025

The United States is facing extreme weather today, with Hurricane Erin, a Category 5 storm, driving life-threatening rip currents along the East Coast. The nation has seen over 3,600 flash flood warnings in 2025, with risks persisting in the Southeast, Northeast, and Central U.S. Heatwaves are gripping the Southeast and Central regions, with heat indices up to 115°F. While recent earthquakes prompted tsunami advisories, no active alerts remain, but coastal caution is advised. Below, we dive into state-specific forecasts and critical weather events.

Northeast Weather: Flash Floods and Coastal Hazards

States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont
Forecast: Expect partly cloudy to overcast skies with highs in the 80s and heat indices near 100°F. Scattered showers and thunderstorms may hit New York and New Jersey, raising flash flood concerns. Temperatures range from 80–87°F (e.g., New York City: 84°F high, 69°F low), with 60–79% humidity and northeast winds at 4–10 mph.
Critical Alerts:

• Flash Floods: The Northeast is at high risk for flash flooding, with 43 million people affected by heavy rainfall this year. New York and New Jersey faced emergencies in July 2025 due to severe flooding.
• Hurricanes: Hurricane Erin is causing dangerous rip currents along Massachusetts, Rhode Island, and New York coasts. Avoid swimming and check with lifeguards.
  Safety Tips: Monitor weather.gov for NWS alerts, avoid low-lying areas, and prepare emergency kits. Stay cool during high humidity.

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Mid-Atlantic Weather: Heat and Flood Risks

States: Delaware, Maryland, Virginia, West Virginia
Forecast: Highs in the 80s with heat indices near 100°F. Scattered showers and thunderstorms may bring heavy rain, especially in Maryland and Virginia. Coastal areas face rough surf from Hurricane Erin, with east-northeast winds at 5–10 mph.
Critical Alerts:

• Flash Floods: Slow-moving storms increase flash flood risks, particularly in northern areas. West Virginia saw deadly flooding in February 2025 with 7+ inches of rain.
• Hurricanes: Rip currents from Hurricane Erin threaten Delaware, Maryland, and Virginia beaches.
  Safety Tips: Check NWS updates, avoid flooded roads, and stay hydrated.

Keywords: Mid-Atlantic weather, flash flood warnings, Hurricane Erin coastal hazards, Virginia weather August 2025

Southeast Weather: Extreme Heat and Coastal Threats

States: Alabama, Florida, Georgia, North Carolina, South Carolina
Forecast: Extreme heat with highs in the low 100s (e.g., Atlanta: 89°F high, 71°F low; Miami: 87°F high, 80°F low; Orlando: 91°F high, 77°F low). Heat indices may reach 115°F in Georgia and Florida. Scattered showers are possible, with 4–11 mph winds and 60–80% humidity.
Critical Alerts:

• Heatwaves: “Extreme” heat warnings affect 11 million people, making heat the deadliest weather event.
• Flash Floods: Northern Florida, southeastern Alabama, and southern Georgia face flood risks from potential heavy rainfall.
• Hurricanes: Hurricane Erin’s rip currents threaten Florida, Georgia, and Carolina coasts. North Carolina saw flooding from Tropical Storm Chantal in July.
  Safety Tips: Stay hydrated, avoid outdoor activity from 10 a.m.–4 p.m., and steer clear of coastal waters. Visit weather.gov for cooling centers.

Keywords: Southeast weather forecast, extreme heat warnings, Hurricane Erin rip currents, Florida weather August 2025

Central U.S. Weather: Heat and Flash Flood Risks

States: Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Oklahoma, South Dakota, Wisconsin
Forecast: Dangerous heat with 90s temperatures and heat indices up to 115°F. Monsoonal thunderstorms may cause flooding, especially in southeast South Dakota, northeast Nebraska, northern Iowa, southern Minnesota, and western Wisconsin. Chicago expects partly cloudy skies (78°F high, 68°F low) with 8–15 mph winds.
Critical Alerts:

• Flash Floods: The Weather Prediction Center flags flood risks in the Upper Midwest. Over 3,600 flash flood warnings were issued in 2025, impacting Illinois and Kentucky.
• Heatwaves: Extreme heat in Missouri, Illinois, and Kentucky poses health risks.
  Safety Tips: Use cooling centers, avoid flooded areas, and monitor weather.gov.

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Southwest Weather: Monsoonal Storms and Heat

States: Arizona, New Mexico, Texas
Forecast: Arizona is hot and dry (Phoenix: ~100°F high) with possible monsoonal storms. New Mexico faces flash flood risks from thunderstorms. Texas sees 90s–100s (Dallas: 98°F high, 80°F low; Houston: 95°F high, 78°F low) with scattered showers.
Critical Alerts:

• Flash Floods: Texas reported 145 deaths from flooding in July 2025, with 192 warnings in Houston. New Mexico and Arizona face ongoing flood risks.
• Heatwaves: Extreme heat in Texas and Arizona threatens vulnerable populations.
  Safety Tips: Avoid low-lying areas, stay hydrated, and follow NWS alerts.

Keywords: Southwest weather, flash flood warnings, Texas heatwave, Arizona monsoon August 2025

West Coast Weather: Coastal Currents and Dry Conditions

States: California, Oregon, Washington
Forecast: Sunny with highs in the 70s–low 80s (Los Angeles: 87°F high, 68°F low). Lingering rip currents affect coasts.
Critical Alerts:

• Tsunami Alerts: Advisories from a July 30, 2025, 8.8 magnitude earthquake off Russia’s Kamchatka Peninsula are lifted, but rip currents persist in California.
• Flash Floods: California’s 96 flash flood warnings in 2025 highlight risks from burn scars.
  Safety Tips: Avoid beaches, check with lifeguards, and prepare for wildfires.

Keywords: West Coast weather, rip currents, California flash floods, August 2025 weather

Alaska Weather: Cool and Coastal Caution

Forecast: Cool with highs in the 50s–60s (Juneau: 57°F high, 42°F low). Partly cloudy with light winds.
Critical Alerts:

• Earthquakes and Tsunami Alerts: A 7.3 magnitude quake near Sand Point on July 16, 2025, triggered a brief tsunami warning. Coastal currents remain hazardous.
  Safety Tips: Secure furniture and avoid coastal waters.

Keywords: Alaska weather, earthquake risks, tsunami currents, August 2025

Hawaii Weather: Warm with Coastal Hazards

Forecast: Warm with highs in the 80s (Honolulu: 87°F high, 73°F low). Partly cloudy with 10–15 mph trade winds.
Critical Alerts:

• Tsunami Alerts: The Kamchatka quake caused waves up to 5.7 feet in Kahului, but advisories are lifted. Rip currents persist.
• Hurricanes: Hurricane Erin may enhance coastal hazards.
  Safety Tips: Avoid coastal waters and monitor NWS.

Keywords: Hawaii weather, rip currents, tsunami alerts, August 2025

Safety Tips for Extreme Weather

• Flash Floods: Never drive through flooded roads (“Turn around, don’t drown”). Use FEMA or AccuWeather apps for alerts.
• Hurricanes: Stay off beaches and follow lifeguard instructions.
• Heatwaves: Stay hydrated, avoid outdoor activity during peak heat, and use cooling centers.
• Earthquakes/Tsunamis: Keep earthquake kits ready and stay informed via NOAA.

Stay Informed with ClickUSANews

For real-time updates, visit weather.gov or follow NWS on social media. Bookmark ClickUSANews for daily weather insights and safety tips!

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