Dave Holder

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While much of the western U.S. is feeling record-breaking heat over the weekend, a big change to the weather pattern is expected as we head into next week. As this transition occurs, Montana will see another round of thunderstorms, with some severe potential. Storms on Saturday kicked out some serious winds.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 063547-1746967021420.jpg">With temperatures pushing 80-90°F across Big Sky Country, sufficient instability will be available for strong to severe thunderstorms to develop and strengthen. These storms could organize underneath strong upper-level winds. The upper-level dynamics are ahead of a significant trough that will ultimately impact the rest of the country in the days ahead.Severe Weather Outlook through tonight, 5/11:<img src="https://media.weathernationtv.com/app/uploads/2025/05/tomer nw svr outlook-1746994486582.jpg"><h1>Timing</h1><video src="https://media.weathernationtv.com/app/uploads/2025/05/tomer west futurecast-1746994143514.mp4" controls="true" width="100%"></video>By the middle of next week, expect a significant cooldown along with widespread precipitation accumulation across the western half of the country. In fact, many of our mountains across the West could see significant snow!<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-10 183723-1746923854605.png">Forecast snow and rain through Sunday (5/18) morning.<img src="https://media.weathernationtv.com/app/uploads/2025/05/tomer west snow and rain-1746994373133.jpg">We'll continue to update this developing story as more details come into focus here on WeatherNation!

Chris Tomer

Weekend Severe Risk in Montana Ahead of Pattern Change

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Brittany Lockley

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An upper-level low will meander around the Gulf this weekend, sending rounds of showers and thunderstorms into the Southeast with increasing flood potential.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-10 053914-1746877163953.png">Heavy Rainfall</h1>As we head through the weekend into the work week, as this large upper low over the Lower Mississippi Valley lingers, heavy rainfall could measure up to 3-6" with isolated totals even higher than that. The Weather Prediction Center is highlighting the heaviest along the Southeast Atlantic coast, from St. Simons Island up to Wilmington, NC.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-10 183906-1746923981250.png"><h1>Timing</h1>The flooding threat lasts through the Mother's Day weekend with repeated rounds of showers and thunderstorms. If you made any outdoor plans for your mom, keep a close eye on the radar, as you may need to move things indoors.<video src="https://media.weathernationtv.com/app/uploads/2025/05/sesoaker-1746924292186.mp4" controls="true" width="100%"></video>So, When Is Florida’s Rainy Season Usually?&nbsp;Florida’s rainy season typically runs from late May through mid-October, aligning closely with the Atlantic hurricane season. During this time, the state receives nearly 70% of its annual rainfall (Goodbye drought), with frequent storms developing in the early afternoon and clearing by evening.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 061423-1746965676357.jpg"><h1>Flood Risk</h1>The Weather Prediction Center (WPC) has issued excessive rainfall outlooks for areas impacted by this storm system through Tuesday. The is a slight risk (level 2 out of 4) for each of these days.<video src="https://media.weathernationtv.com/app/uploads/2025/05/2025-05-11 06-31-35-1746966716967.mp4" controls="true" width="100%"></video>What to Expect Daily&nbsp;Afternoon thunderstorms are the hallmark of Florida summers. These storms are usually short-lived but intense, capable of producing heavy rainfall, lightning, and gusty winds. It is common to see sunshine in the morning, followed by a dramatic downpour after 2 PM.&nbsp;Despite the daily rain, most of Florida’s rainy season does not consist of day-long washouts. Instead, brief but powerful storms roll through, often leaving behind cooler temperatures and stunning sunsets.&nbsp;Safety Tips During the Rainy Season&nbsp;<ol><li>Check the forecast daily: Download the WeatherNation app for frequent updates.&nbsp;</li></ol><ol start="2"><li>Be cautious on roads: Rain can make roads slick (Google 'Florida Black Ice') and cause flash flooding in low-lying areas.&nbsp;</li></ol><ol start="3"><li>Avoid open water and outdoor activities during storms: Lightning is a serious threat in Florida, often referred to as the lightning capital of the U.S.&nbsp;</li></ol><ol start="4"><li>Have a hurricane plan: June through November is also hurricane season, and some rainstorms can be part of larger systems.&nbsp;</li></ol>Stay with WeatherNation for the latest.

Kevin Schneider

Florida’s Rainy Season Starting Ahead of Schedule

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The southeast can not seem to shake the storms over the last few days! Since last Monday, there have been stormy conditions, even bringing some small hail across the Sunshine State. On Saturday, strong storms spun onshore in Florida leading to some damage - that damage has yet to be surveyed.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1921339468071543250" src="https://x.com/WeatherNation/status/1921339468071543250"></div>Each year, Florida’s rainy season brings afternoon downpours, rumbling thunderstorms, and the occasional flash flood. Understanding this seasonal shift is especially important to visitors due to how energetic these storms can be&nbsp;(Hello, lightning). Unfortunately, these storms could be packing a punch the next few days, and not just in FloridaSUNDAY - MONDAYThe primary concerns are storms capable of producing large hail and gusty winds today and tomorrow. But a few tornadoes will be possible again. <img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 062104-1746966073393.jpg"> It's not just today to be weary of some thunderstorms, tomorrow will keep the threat around as this low continues to spin.<video src="https://media.weathernationtv.com/app/uploads/2025/05/2025-05-11 06-21-58-1746966144008.mp4" controls="true" width="100%"></video>For the latest information, tune into WeatherNation.

Severe Threat Continues in the Southeast

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We've been stuck in a pretty stagnant pattern recently. With a few cut-off lows and strong ridges of high pressure, the day-to-day pattern has struggled to change much. The trough in the Pacific Northwest will try to change that later this week.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 104518-1746982216457.png"><h1>OVERVIEW</h1>As this trough swings in, it will run into VERY warm temperatures. By Wednesday and Thursday, highs across the High Plains will get back to the 80's and 90's. The warm and humid air will more than likely help power strong to severe storms later this week.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 103741-1746981482962.png">While a few ingredients look to come together sometime around Thursday, a lot can still change between now and then. The Storm Prediction Center has highlighted areas around Chicagoland later this week.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 104542-1746982146842.png">As details become a little clearer throughout the week, things like timing and storm mode will become a little clearer too.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-11 105338-1746982488848.png">LONG-RANGE FORECAST</h1><video src="https://media.weathernationtv.com/app/uploads/2025/05/2025-05-11 10-54-16-1746982519313.mp4" controls="true" width="100%"></video>

Severe Weather Ramps Up Late Week

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Tracey Anthony

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Record breaking heat, gusty afternoon winds and low relative humidity leads to widespread red flag warnings for Sunday. The result of the warmest air of the year impacting the lower 48. Record high temperatures were being crushed from the desert southwest to the high plains. Minot, ND reached 94° Saturday afternoon. <img src="https://media.weathernationtv.com/app/uploads/2025/05/heofofoff-1746932712806.png"><img src="https://media.weathernationtv.com/app/uploads/2025/05/HOT TEMSSS-1746923284278.png">Numerous cities from now through Tuesday may break record high temperatures. Each dot you see represents a city that may break or tie a record high.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Web 1-1746969266898.png"><img src="https://media.weathernationtv.com/app/uploads/2025/05/Web 6-1746969677022.png">Temperatures will be 20-30° above typical daytime highs this time of year. <img src="https://media.weathernationtv.com/app/uploads/2025/05/Web 4-1746969746639.png">For those who aren't a fan of the heat, just wait a few days! A big pattern shift will occur during the first half of next week, dropping temperatures to more seasonal spring-like weather. Stay tuned to Weather Nation for the latest details.

Fire & Heat Scorch Mother’s Day Weekend

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Rob grew up in South Florida, where daily afternoon storms and hurricanes piqued his interest in meteorology early on. That interest was fostered by his teachers and his father, who one time brought him onto the roof of their home to watch a funnel cloud move through the Everglades several miles away. Years of filmmaking and tv production in high school gradually pushed him toward broadcast meteorology at Florida State University, where he joined and eventually led the student run daily weather show. After graduating with a Bachelors of Science in Meteorology, he began his career at KESQ in Palm Springs, California before heading to KFSN in Fresno and WLOS in Asheville, North Carolina. He has covered a diverse array of extreme weather events, including haboobs and flash flooding in the desert, extreme snow in the Sierra, hurricanes, and Appalachian ice storms. He also enjoys telling stories and reporting about weather issues.

Connect with Rob on <a href="https://twitter.com/WxRobBradley">Twitter</a>

Rob Bradley

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A break in storms for the Northeast is on the way this Sunday, but first, another round of heavy showers is expected. This follows heavy rain earlier in the week, leaving soils saturated and primed for additional flooding.<img src="https://media.weathernationtv.com/app/uploads/2025/05/through ffo-1746911006647.png">A few showers linger in Maine, and everything clears out as the low moves east. Drier conditions tonight and on Sunday.<video src="https://media.weathernationtv.com/app/uploads/2025/05/dssss-1746911082357.mp4" controls="true" width="100%"></video>With last week's cutoff low in the Northeast, the grounds are saturated, and more isolated flooding is possible. On the other hand, the rain has been beneficial in helping with the ongoing drought.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-10 051735-1746875926099.png"><img src="https://media.weathernationtv.com/app/uploads/2025/05/1-1746845961342.png">Tune into WeatherNation:10 past the hour for the eastern regional forecast for more details.

Jackie Brown

Flood Threat Lingers in New England Saturday

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Hail over the size of tennis balls and baseballs fell across the Mid-South and Southeast on Thursday! The storm system responsible is heading toward the coast, where the threat will persist through this evening.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-09 054322-1746791009234.png">Today's Risk</h1>The threat of severe storms will follow the cold front to the coast this afternoon, with a slightly higher risk for the Outer Banks, where wind and hail damage is more likely.<img src="https://media.weathernationtv.com/app/uploads/2025/05/Screenshot 2025-05-09 134214-1746819810039.png">This morning's storms have given way to some clearing before the front taps into daytime heating. Most severe storms are likely to be offshore by around dinner time or shortly thereafter.<video src="https://media.weathernationtv.com/app/uploads/2025/05/carolinastorms-1746819909860.mp4" controls="true" width="100%"></video>Unfortunately, with multiple rounds of storms, the flooding threat remains through the end of the week. For more details on the longer-range flood threat for areas like Florida, Georgia, and the Carolinas, read this related article here: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/florida-soaker-this-weekend#google_vignette">Southeast Soaker This Weekend.</a>Tune into WeatheNation for the latest details.

Huge Hail in the Mid-South Thursday, Storms Linger in the Carolinas Today

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ALMANAC

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FORECAST

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Rain and heavy snow will continue for the northwest throughout the day today. Minor flooding is still happening for the Skokomish River but it should be below flood stage by the afternoon, today. The Nooksack River at Ferndale could also reach flood stage today and will be monitored closely throughout the day. If you live near these rivers, make sure to pay attention to the water levels throughout the day.

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Conditions will be much better for the northwest for the first half of the day on Thursday. Rain will start to push into southern Oregon and Idaho by the afternoon on Tuesday as a front from the south pushes in. Heavy rain and snow should be expected throughout the second half of the day. By Friday, another front will move into the northwest bringing in more rain and heavy snow.

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Rain will not be has heavy as what we have been seeing for the past few days.  1 to 2 inches of rain will be expected over the next few days. As far as snow totals go, up to a foot of snow could be possible. This is especially true for higher elevations. In the Sierra Nevada mountain range in California, snow totals above 7000 ft could reach up to 3 ft!

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A LOOK AHEAD

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Soggy Forecast for the Northwest

Weekend Severe Risk in Montana Ahead of Pattern Change

While much of the western U.S. is feeling rec

Florida’s Rainy Season Starting Ahead of Schedule

An upper-level low will meander around the Gu

Severe Threat Continues in the Southeast

The southeast can not seem to shake the storm

Severe Weather Ramps Up Late Week

We've been stuck in a pretty stagnant pattern

Fire & Heat Scorch Mother’s Day Weekend

Record breaking heat, gusty afternoon winds a

Flood Threat Lingers in New England Saturday

A break in storms for the Northeast is on the

Huge Hail in the Mid-South Thursday, Storms Linger in the Carolinas Today

Hail over the size of tennis balls and baseba