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Map Reported Data RWIS Data Citizen Reporting Program FAQ

Current Road Conditions

The UDOT Citizen Reporting Program enlists volunteers to report on current road conditions along specific roadway segments across Utah. The volunteers can be UDOT employees, law enforcement, truck drivers, plow drivers, experienced commuters, or other volunteers. The long term goal of adding Citizen Reporters to UDOT’s weather operations road reporting is to supplement current condition reporting on segments where drivers are already traveling.

Current and forecast weather conditions are a critical part of traveler information in Utah. Utah has many high mountain passes and rural routes that frequently experience hazardous winter weather, and accurate road condition information for these routes is vital for traveler safety and route planning. Citizen Reporters will help to enhance UDOT’s coverage of road weather reporting by providing data on road segments throughout the state of Utah. UDOT has a network of Road Weather Information Stations (RWIS), traffic cameras and Traveler Information Meteorologists that help to create a road conditions report. UDOT also utilizes reports from snow plow crews. See the diagram below for additional information:

How does UDOT compile all of the incoming data and determine the appropriate road/weather conditions?

UDOT has a sophisticated network of Road Weather Information Systems (RWIS) deployed throughout the state. These RWIS units collect road and weather data and transmit the data back to the UDOT Traffic Operations Center (TOC). Meteorologists at the TOC use this information to verify the conditions seen on atmospheric models. UDOT also receives valuable road/weather information from its plow drivers, and with the launch of the Citizen Reporter Program, trained volunteer reporters. All of the incoming data is compiled with carefully crafted logic to determine the condition of the road surface. Reports from plow drivers, law enforcement and other experienced reporters may be utilized in a different way than volunteer citizen data, however all data is immensely valuable and helpful in determining the condition of the road surface.

How do I become a UDOT Citizen Reporter?

In order to become a UDOT Citizen Reporter, you will need to complete a brief training (either online or in person), take a short quiz and complete a sign-up form. The training takes approximately 30 minutes. Once a volunteer has completed these steps, they will be provided with a login and PIN, and can begin submitting reports. Reports are submitted through the UDOT Citizen Reporting app, downloadable for Android and Apple devices from the iStore or Android Market.

If you would like to become a Citizen Reporter, please follow this link to take the online training: Citizen Reporting Training. For more information or to schedule an in person training, contact UDOT Citizen Reporting program at udotcitizenreporter@utah.gov

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	Degree of caution	Weather Impact on Travel	Recommended Action
GREEN	Low	Minimal	Normal Caution
YELLOW	Moderate	Minor/intermittent weather related road concerns anticipated	Monitor 511, UDOT Traffic Web page and NWS Weather Forecasts.
RED	High	Travel expected to be impaired. Be prepared for hazardous road conditions	Monitor 511, UDOT Traffic Web page and NWS weather forecasts. Be prepared to alter travel plans as necessary

Reported Road Weather Conditions

Location	Weather	Road Condition	Restriction	Last Updated
SR-31 Fairview Canyon	snow	snow covered	snow tires chains or 4WD advised	1/18/2019 2:22:03 AM
SR-31 Huntington Canyon	snow	snow covered	none	1/18/2019 2:22:03 AM
SR-39 Ogden to Jct. SR-167 Trappers Loop	overcast	wet	none	1/18/2019 2:22:01 AM
SR-153 Beaver to Elk Meadows	snow	snow covered	snow tires chains or 4WD advised	1/18/2019 2:22:03 AM
US-40 Through Daniels Canyon	snow	snow covered	chains required for trucks 12000 and over	1/18/2019 2:22:02 AM
US-89 Upper Logan Canyon and Logan Summit	snow	snow covered	snow tires chains or 4WD advised	1/18/2019 2:22:01 AM
US-89 Lower Logan Canyon	snow	patchy snow	none	1/18/2019 2:22:01 AM
US-89/91 I-15 to Wellsville via Sardine Summit	snow	snow covered	chains required for all vehicles	1/18/2019 2:22:01 AM
SR-92 to Sundance	snow	snow covered	none	1/18/2019 2:22:02 AM
SR-153 Elk Meadows to Puffer Lake	snow	snow covered	snow tires chains or 4WD advised	1/18/2019 2:22:03 AM
SR-158 to Powder Mountain	overcast	patchy snow	none	1/18/2019 2:22:01 AM
SR-167 Trappers Loop I-84 to Huntsville	overcast	patchy snow	none	1/18/2019 2:22:01 AM
US-189 Provo Canyon	snow	snow covered	road closed	1/18/2019 2:22:02 AM
SR-226 to Snowbasin	snow	snow covered	none	1/18/2019 2:22:01 AM
US-191 Duchesne to Helper through Indian Canyon	snow	snow covered	road closed	1/18/2019 2:22:02 AM
SR-143 Parowan to Brian Head	snow	snow covered	none	1/18/2019 2:22:03 AM
SR-143 Panguitch to Mammoth Creek Road	snow	snow covered	none	1/18/2019 2:22:03 AM
SR-143 Brian Head to Mammoth Creek Road	snow	snow covered	snow tires chains or 4WD advised	1/18/2019 2:22:03 AM
SR-39 Jct. SR-167 Trappers Loop to Monte Cristo	snow	snow covered	none	1/18/2019 2:22:01 AM

* Click on a column name to sort the data by that column. Click on the same column a second time to reverse the order.

Road Weather Station Data

Site	Air Temp °F	Wind Dir	Wind Speed (MPH)	Wind Gust (MPH)	% Relative Humidity	Road Temp °F
	Atmospherics					Road Conditions
Alta Guard Station	21	N	0	0	94
Arrowhead Summit	22	W	7	16	97
Bunnells Ridge	21	NW	26	43	97
Cardiff Peak	16	E	4	7	94
Deer Creek Dam	28	SW	15	20	96
Elberts	25	N	0	0	97
Mid Mountain	27	N	0	0	92
Monument Peak	15	W	38	45	0
Reynolds Peak	18	W	8	13	100
SR-92 @ Aspen Grove	26	N	0	0	100
Spruces	26	N	0	0	94

* Click on a column name to sort the data by that column. Click on the same column a second time to reverse the order.

UDOT Traffic Road Weather FAQ

How does a road weather forecast differ from the forecast I see on the news at night?

A road weather forecast only concentrates on weather that impacts travel. For example, 3 inches of snow might be forecast to stick on the grass, but roads may remain wet.

What is an RWIS?

RWIS stands for Road Weather Information System. UDOT maintains a network of RWIS weather stations across the state of Utah. RWIS stations have atmospheric sensors, road sensors and cameras. These instruments measure air temperature, wind speed and direction, precipitation, road temperature, road surface condition, and other variables.

What do you do with the information you collect from RWIS sites and how does it help me travel?

RWIS stations provide critical information to a team of UDOT meteorologists and plow crews to help keep roads free of snow. RWIS stations also help inform the public of what the road conditions are like around the state.

Where can I get forecasted road weather impacts from UDOT?

UDOT provides road weather forecasts in 5 different locations.

The 511 travel information line
On UDOTTraffic.utah.gov under "Additional Info" click "Road Weather Alert" (when flashing)
On UDOTTraffic.utah.gov in the top center of the page click "Road Weather"

The "Current Conditions" tab (October 1 ‐ March 31) has updated road conditions on 141 segments of Utah's roads.
The "Road Conditions Forecast" tab is updated by meteorologists at the TOC to help motorists know what to expect for three 6 hour time blocks on 63 segments of Utah's Interstates and Highways.

Download the free "UDOT Traffic" app for Apple or Android devices.
Follow UDOT Traffic on Twitter.

What is a "Road Weather Alert"?

A Road Weather Alert is a road weather forecast of expected statewide storm impacts to Utah's roads. Road Weather Alerts are issued before and during weather systems that will/are affecting travel on Utah's roads.

How do I read the weather symbols on the UDOT Traffic app?

Forecasted Road Conditions

	Degree of caution	Weather Impact on Travel	Recommended Action
GREEN	Low	Minimal	Normal Caution
YELLOW	Moderate	Minor/intermittent weather related road concerns anticipated	Monitor 511, UDOT Traffic Web page and NWS Weather Forecasts.
RED	High	Travel expected to be impaired. Be prepared for hazardous road conditions	Monitor 511, UDOT Traffic Web page and NWS weather forecasts. Be prepared to alter travel plans as necessary

National Weather Service City Forecasts

Last Updated - 2:27 AM Friday, January 18, 2019

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ALL

City	Forecast	Forecast
Acord Lakes	Overnight Snow showers. Steady temperature around 26. Northwest wind around 21 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 7 inches possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 24 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Alpine	Overnight Snow showers. Steady temperature around 33. Northwest wind around 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.	Friday Snow showers, mainly before 8am. High near 40. Northwest wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Alta	Overnight Snow showers likely. Cloudy, with a low around 17. Wind chill values as low as -7. Blustery, with a west northwest wind around 25 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 10 to 16 inches possible.	Friday Snow showers, mainly before 2pm. High near 22. Wind chill values as low as -7. Blustery, with a northwest wind 17 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Altamont	Overnight A 20 percent chance of snow showers. Mostly cloudy, with a low around 22. West wind around 11 mph.	Friday Mostly sunny, with a high near 33. West wind 9 to 15 mph.
Alton	Overnight Snow showers likely, mainly before 5am. Cloudy early, then becoming partly cloudy, with a low around 25. West southwest wind around 15 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.	Friday A 30 percent chance of snow showers before 8am. Sunny, with a high near 40. North northwest wind 13 to 16 mph. New snow accumulation of less than a half inch possible.
Amalga	Overnight Snow showers likely. Cloudy, with a steady temperature around 30. West northwest wind around 6 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 32. West northwest wind 3 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
American Fork	Overnight Snow showers, mainly after 5am. Steady temperature around 34. Northwest wind around 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.	Friday Snow showers, mainly before 11am. High near 39. Northwest wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Annabella	Overnight Snow showers. Low around 29. Northwest wind around 11 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 32. North northwest wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Antimony	Overnight Snow showers, mainly before 5am. Low around 20. West wind around 13 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.	Friday A 50 percent chance of snow showers before 8am. Mostly sunny, with a high near 33. North northwest wind 10 to 13 mph. New snow accumulation of less than a half inch possible.
Apple Valley	Overnight Rain showers likely before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a steady temperature around 40. South southwest wind around 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.	Friday A slight chance of rain and snow showers before 8am. Sunny, with a high near 48. West southwest wind 6 to 10 mph becoming north northwest in the morning. Chance of precipitation is 20%.
Aurora	Overnight Snow showers likely. Mostly cloudy, with a low around 27. Northwest wind around 9 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West northwest wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Aurora	Overnight Snow showers likely. Mostly cloudy, with a low around 27. Northwest wind around 9 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West northwest wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Aurora	Overnight Snow showers likely. Mostly cloudy, with a low around 27. Northwest wind around 9 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 35. West northwest wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Ballard	Overnight Snow showers likely, mainly before 4am. Mostly cloudy, with a low around 21. West wind 5 to 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.	Friday Partly sunny, with a high near 36. West northwest wind 5 to 15 mph becoming east in the afternoon.
Bear River	Overnight Snow showers likely, possibly mixed with rain, mainly after 5am. Cloudy, with a low around 30. Northwest wind around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.	Friday Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 35. Northwest wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Beaver	Overnight A 50 percent chance of snow showers. Mostly cloudy, with a low around 26. West wind around 11 mph. Total nighttime snow accumulation of 1 to 3 inches possible.	Friday A 30 percent chance of snow showers before 8am. Sunny, with a high near 37. North wind 8 to 13 mph. New snow accumulation of less than a half inch possible.
Beryl	Overnight A chance of rain and snow showers. Mostly cloudy, with a low around 27. Southwest wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.	Friday Sunny, with a high near 37. West wind 6 to 10 mph becoming north northeast in the afternoon.
Bicknell	Overnight Snow showers, mainly before 5am. Low around 22. Northwest wind around 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.	Friday A 40 percent chance of snow showers before 8am. Mostly sunny, with a high near 35. West northwest wind 13 to 16 mph. New snow accumulation of less than a half inch possible.
Big Water	Overnight Showers likely, mainly before 5am. Mostly cloudy, with a low around 36. West wind around 16 mph. Chance of precipitation is 60%.	Friday A 20 percent chance of showers before 8am. Mostly sunny, with a high near 46. North northwest wind around 11 mph.
Blanding	Overnight Rain showers before 3am, then rain and snow showers between 3am and 4am, then snow showers after 4am. Low around 29. West wind 5 to 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.	Friday Scattered snow showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 37. Breezy, with a north northwest wind 15 to 20 mph. Chance of precipitation is 30%.
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* Click on City column name to sort the data by that column. Click on the same column a second time to reverse the order.

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