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RAINMAKER PRESS

MAY 2026 · QUARTERLY NEWSLETTER

Cloud seeding willnever be the same.

82 unambiguous seeding signatures. 143 million gallons for Oregon and Utah. The first private validation of cloud seeding.

Radar map of a seeding area showing 44,811,089 gallons of man-made precipitation, 2026-02-20.
RADAR-BASED VALIDATION OF CLOUD SEEDING · BOUNDED REGIONS EMPHASIZED FOR CLARITY

Welcome back to Nowcasting, your source to stay up to date with all things Rainmaker. We’re here to share a major update with you all as we wrap up the end of the cloud seeding season.

Rainmaker in the News

NOWCASTING

Major Updates

NOWCASTING

Before this year, no private company had ever achieved validation of cloud seeding: definitive, quantitative proof that operations meaningfully increased local precipitation. This changed with Rainmaker’s 2026 operations in Oregon and Utah. As of April, Rainmaker has obtained 82 unambiguous seeding signatures, distinct radar patterns that prove seeding operations directly caused precipitation. These signatures correspond to over 143 million gallons of freshwater for Oregon and Utah residents, amounting to the annual water usage of approximately 1750 American households.

This breakthrough provides certainty to customers and allows Rainmaker to align our incentives with stakeholder needs. We have proved that cloud seeding can create new water for communities that need it most.

A gilded frame around a photograph of a person pointing at falling rain over a winter field.
EVIDENCE OF EFFECT VIEWED FROM THE GROUND

We’re continuing to deliver reliable and affordable water to our clients across the globe. Take a look at this short and insightful story from NBC News about how Rainmaker’s work can help end drought.

HOW STARTUP RAINMAKER USES DRONES TO MAKE RAIN · NBC NEWS NOW

As we wind down the season, we’re looking forward to spending time traveling around the country telling our story to friends like you. We’ll keep you posted on our whereabouts and hope you can join us when we’re in your area.

As the season comes to a close, we also want to thank you for all your support. With this breakthrough, we know big and exciting challenges are ahead of us here at Rainmaker, and we look forward to sharing the next steps of this journey together.

The Rainmaker field crew lines up in front of the hangar between two trucks, an American flag on the wall behind.
THE CREW, END OF SEASON

Godspeed, Augustus and the Rainmaker Team