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Wx Horizon


All plans include onboarding and support. You can change your plan at any point to match your needs.



Want to know what’s happening on the roads right now? Our Lite tier is the simplest way to gain insight into road conditions, with no weather stations needed.


*Lite is currently free for a limited period

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The easiest way to make data-driven winter maintenance decisions.

What kind of solution are you looking for?


Choose your virtual road weather forecast points. These are the points on your road network where more data would benefit decision-making.

We get almost 50 inches of snow plus thawing every winter, and that creates hazardous driving conditions. Vaisala's insight and onboard tools let us target treatments faster and meet our levels of service.

Larry Schneider
Director of Transportation Operations
City of Fort Collins, CO

Trusted to deliver quality



Need to know what’s happening on every part of your road network? Expand your insights and get network-wide road weather information.




Looking to get proactive? Get the ground truth. You choose which points we measure. Enhance your forecasts with high-quality IoT sensor measurements & alert notifications.



No more guessing.

Get the definitive state of your road network. With Wx Horizon, you no longer need to rely on incomplete or questionable information from unverified sources. Wx Horizon Pro with Vaisala Cast™ sensing delivers high-quality data, giving you the ground truth to make decisions with confidence.

An extra pair of eyes on the road.

Wx Horizon’s built-in alert notifications provide reassurance that you will not won’t miss a thing, so you can focus on the most important tasks.

Be prepared.

Radar, pavement, and atmospheric forecasts identify where and when hazards will occur on your network well in advance, to help you prepare.

Manage your winter budget effectively.

An affordable subscription service means no large up-front investments with low predictable expenses.

Reduce your environmental impact.

GroundCast, our state-of-the-art pavement surface monitoring device, delivers residual salt data, which means you use the optimal amount of treatment - no more, no less.

Easy, no maintenance installation.

Setting up the network is quick and easy with a wireless design and built-in cloud connectivity. No need to worry about power: Cast Sensors have minimum 3-year battery life.

Getting started with Wx Horizon is as easy as 1-2-3. Sign up; select your virtual road weather forecast points; install your Cast devices, and you're ready to start making data-driven decisions.

How it works

Wx Horizon brings you pavement weather forecasts enhanced by integrated sensor measurements, radar, and alerts - all from one highly-accurate supplier. Get actionable road condition information at a price you can afford.

Atmospheric weather forecasts are useful. Targeted pavement forecasts are good. Ground truth observations are better.

Data-driven decision making.


Targeted pavement forecasts enhanced by ground truth observations and atmospheric forecasts are best.

Solutions for road maintenance agenciesSolutions for commercial snow and ice management

For winter maintenance decision makers, Wx Horizon delivers pavement weather forecasts enhanced by integrated observations, radar and alerts in one subscription package

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All the information you need, in one place.


Powered by GroundCast

GroundCast measures road surface temperature and the amount of residual treatment material. With no need for power or other infrastructure, you can install it virtually anywhere with Narrowband (NB) IoT connectivity.

Redefine the accuracy of pavement forecasts with Vaisala Cast™ Sensors.

Proven weather sensing technology trusted by meteorological services and departments of transportation worldwide is now more accessible than ever. GroundCast and TempCast provide key road weather observations and enhance your pavement forecast.

Setting up Wx Horizon Pro with Cast sensing is easy.


Install your GroundCast sensors at locations that matter most to you. Choose locations that are representative of the surrounding area and where weather events are challenging to manage.


Once you sign into your Wx Horizon account, your dashboard will begin to populate with observations and integrated forecast data from each of your Cast locations. Now you are ready to start making data-driven decisions.

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Want to see what is being forecasted for your roads right now?

Sign up for free

Sign up  for Wx Horizon now to immediately see pavement forecasts for your own road network.