WSI Seasonal Forecast

Each month WSI releases a seasonal forecast based on the anticipated weather for the next three-month span. Top insurance, risk management companies and financial institutions around the globe trust WSI to deliver easy-to-use, timely and expert weather guidance to help anticipate market volatility, mitigate risk and make critical decisions with confidence. Forecast adjustments are sometimes made as additional data is received; monitor this page frequently for the latest information.


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Linda Maynard
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Coolest Tropical Atlantic in 20 Years and Emerging El Nino Still Suggest Reduced Atlantic Tropical Activity
Various Forecast Models in Good Agreement
WSI: July Pattern Expected to Continue into August
Warm and Dry Conditions Across North, Cooler/Wetter/Windier Across South
WSI: Cooler Summer Temperatures to Remain Focused across the Central US
More Variable Temperatures Expected in the Northeast for August/September
No Change to Expectations for Relatively Quiet Tropical Season
El Nino and Cooler Atlantic Waters Still Expected to Suppress Activity
Warm Summer Weather Still Expected Across Northern/Eastern Europe Later in Summer
Recent Pattern Change to Much Cooler Temperatures across Eastern Europe Seen as Temporary
Threat of Cooler Temperatures Increasing as Summer Progresses in the North-Central and Northeast
Hottest Temperatures to Become More Focused Across Western US
WSI: Warm, Dry Summer Expected Across Northern Europe
Parts of Southern Europe to Have Cooler, Wetter, Windier Summer
WSI: Relatively Quiet Tropical Season Still Expected
Cooler Atlantic Waters and Emerging El Nino to Reduce Activity
WSI: Above-Normal Summer Temperatures Likely Confined to Western and South-Central US
Still Expecting the Weakest Cooling Demand Since 2009
WSI: No Change to Forecast for Tropical Season
Relatively Quiet Season Still Expected as Cooler Atlantic Temperatures Persist and El Nino Continues to Develop
WSI: Coolest Summer Since 2009 Expected
Emerging El Nino Event to Enable Reduced Summer Heat Risk across Central/Eastern US
WSI: Warm and Dry Conditions Likely Eastern Europe
Wetter, Windier Conditions More Likely North and West Late Spring and Early Summer
WSI: Westerly Winds to Continue to Prevail Across Europe During Spring
Still No Sign of Any Imminent North Atlantic Blocking that Would Change “Locked-In” Pattern
WSI: Above-Normal Spring Heating Demand Likely In Great Lakes/Northeast
Early Look at Summer Suggests Reduced Risk of Excessive Heat in Central/Eastern US
WSI: No Sign of European Winter Pattern Changing as We March into Spring
Lack of Atlantic Blocking to Result in More Mild Westerly Flow
WSI: Return of Cold Pattern in Big Gas-Demand Regions to Delay Dreams of Early Spring
Wild Winter Won’t Wane in March
WSI: Above-Normal Temperatures to be the Rule Across Europe Remainder of Winter
Lack of Atlantic Blocking to Result in More Mild Westerly Flow
WSI: Continued Colder-than-Normal Temperatures Across the Northern US in February
‘Winter Fatigue’ May Set In as the Arctic Door Opens Again After Brief Mid-January Thaw
WSI: Above-Normal Temperatures to be the Rule Across Europe Remainder of Winter
Lack of Atlantic Blocking to Result in More Mild Westerly Flow
WSI: A Return to More Moderate Winter Weather Ahead
Milder Temperatures, Especially Across the Southern US, Are More Likely After Wild December
WSI: Cold Early, Warmer Late This Winter in Europe
Strong Polar Vortex May Limit Biggest Cold Risk to December
WSI: Bitterly Cold Early Winter Temperatures Across Eastern US Likely to Moderate
Worst Winter Cold Generally Confined to the Northern Third of the US, Above-Normal Temperatures Across the South and East
WSI: Mild Start to November Followed by Colder Weather Through December
Coldest Risk Early and Potentially Late this Winter with ‘January Thaw’
WSI: Early Cold in Central and Eastern US May Fade Heading Deeper into Winter
Below-Normal Temperatures Expected to be More Widespread Across the Central and East Early in the Heating Season, with Increasing Warm Risks by January
WSI: Mysteriously Quiet Season Meanders to an End
Lack of Instability Trumps Other More Favorable Factors
WSI: Mild October Followed by Colder Conditions across Mainland and the UK by November
Mainland Europe to Remain Drier-than-Normal through Late Autumn with Wetter Conditions Returning by Early Winter
WSI: Significant Increase in Natural Gas Heating Demand Relative to Last Year Expected from Late Fall into Early Winter
Below-Normal Temperatures Expected to be Focused across Northern Tier Starting in November
WSI: Moderately Active Remainder of Season Expected
Relatively Warm Tropical Atlantic Temperatures and Lack of El Nino Still Suggest Tropics Will Heat Up During the Remaining Two-Thirds of Season
WSI: Below-Normal Autumn Temperatures Confined to UK and Parts of Norway
General Pattern of Near to Below-Normal Temperatures in Western Europe and Warmth in the East Expected
WSI: Recent Pattern to Persist Through Fall
Cool Weather from Northern Plains to Southeast with Above-Normal Temperatures in the West and Northeast
WSI: Active Tropical Season Still On Tap, But Overall Expectations Down a Bit
Statistical and Dynamical Model Forecasts Reflect Cooler North Atlantic Temperatures than Originally
WSI: Much of Western Europe to Return to Cooler Temperatures in August
Warm, Dry Summer Weather to be Less Frequent Going Forward
WSI: Summer Heat to Persist in the Western US in August, With Rainy Tropical Pattern in the Southeast
More Variability Expected in Texas, Northern Plains, Northeast Next Month