National Weather Service United States Department of Commerce

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Are you #WeatherReady for the summer? Check out our latest weather safety graphics, videos, social media posts, and more at: weather.gov/wrn/summer-safety

Published 2024-06-05

Information for 2024 summer weather.

April Climate Summary for Central and Western Wyoming

Published 2024-05-05

Citizen Weather Observers needed across Wyoming - Join CoCoRaHS!

Published 2024-03-18

2023 Wyoming Annual Climate Summaries

Published 2024-01-19

The 2023 Annual Climate Summaries for Casper, Lander and Riverton.

Are you #WeatherReady for the Winter? Check out our latest weather safety graphics, videos, social media posts, and more at: weather.gov/wrn/winter_safety

Published 2023-12-01

Weather resources and information for the winter of 2023-2024.

Are you Weather-Ready for the Fall? Click here to check out our latest weather safety graphics.

Published 2023-09-05

Weather safety resources for Fall (Autumn).

Are you #WeatherReady for the summer? Check out our latest weather safety graphics, videos, social media posts, and more at: weather.gov/wrn/summer-safety

Published 2023-06-01

Summer 2023 Safety Campaign. Information for all summer weather threats and hazards.

Check Out Some Of The Statistics For This Past Winter

Published 2023-04-12

The winter of 2022-2023 was one for the record books. There was record cold and record snow. This article goes through some of the data and stats of this past winter.

October Climate Summary for Central and Western Wyoming

Published 2022-11-01

Please check out our probabilistic snow web page (chances of a location receiving a specific amount of snow)

Published 2022-10-01

Washakie Park Wildfire Weather Decision Support

Published 2022-09-08

April Climate Summary for Central and Western Wyoming

Published 2022-05-04

January Climate Summary for Central and Western Wyoming

Published 2022-02-02

2021 Annual Climate Summaries

Published 2022-01-14

The 2021 Annual Climate Summaries for Casper, Lander and Riverton.

December Climate Summary for Central and Western Wyoming

Published 2022-01-02

December 2021 Climate Summary

First Major Winter Storm of the Season Continues

Published 2021-10-12

A significant winter storm will continue to impact the region through Wednesday morning. Winter Storm Warnings and Winter Weather Advisories remain in effect for many areas tonight and into tomorrow morning. Hazardous travel conditions and isolated power outages remain possible into Wednesday morning.

Jackson NOAA Weather Radio will be down until further notice

Published 2021-10-05

September climate summaries for western and central Wyoming

Published 2021-10-03

Sand Creek Wildfire Weather Decision Support

Published 2021-09-13

Buffalo Airport's Weather Equipment is Down

Published 2021-09-08

August Climate Summary for Central and Western Wyoming

Published 2021-09-04

Citizen Weather Observer Program (CWOP) Sign-Up

Published 2021-08-18

New “Destructive” Severe Thunderstorm Warning category to trigger Wireless Emergency Alerts on mobile phones beginning August 3rd

Published 2021-07-27

June Climate Summary for Central and Western Wyoming

Published 2021-07-06

Robinson Fire Decision Support

Published 2021-06-12

April Climate Summary for Central and Western Wyoming

Published 2021-05-17

May 6th - Radar serving Western and Central Wyoming will be Offline for around 7 days

Published 2021-04-28

Wyoming Severe Weather Awareness Week - May 10 - 14

Published 2021-04-23

March Monthly Climate Summary for Western and Central Wyoming

Published 2021-04-01

January Monthly Climate Summary for Western and Central Wyoming

Published 2021-02-02

Aviation Weather Decision Support

Published 2021-01-21

December Monthly Climate Summary for Western and Central Wyoming

Published 2021-01-02

Get ready for Winter weather hazards by visiting our Winter Safety website!

Published 2020-11-30

NWS Instagram Prototype is live - Seeking Public Comments

Published 2020-11-03

NWS Riverton is now live on Instagram!

Published 2020-11-03

2020/2021 Winter Weather Outlook

Published 2020-10-29

August 2020 Regional Climate Summary for Western / Central Wyoming

Published 2020-09-05

Weather Decision Support for the Lone Star Wildfire in Yellowstone

Published 2020-08-28

Richard Mountain Wildfire Decision Support

Published 2020-08-07

Drought Worsens across the Cowboy State

Published 2020-07-31

June 2020 Regional Climate Summary for Western / Central Wyoming

Published 2020-07-02

2020 Lightning Safety Awareness Week, Jun 21 - 27

Published 2020-06-21

Lost Creek Wildfire Weather Decision Support

Published 2020-06-14

Public Survey on Proposed Changes to the NWS Watch/Warning System - Please provide your feedback!

Published 2020-06-11

This link is to a survev for the Public about changes to the NWS Watch Warning and Advisory system.

May 2020 Regional Climate Summary for Western / Central Wyoming

Published 2020-06-03

Wyoming Water Supply Outlook--May 8, 2020

Published 2020-05-08

April 2020 Regional Climate Summary for Western / Central Wyoming

Published 2020-05-03

Wyoming Water Supply Outlook--April 14, 2020

Published 2020-04-14

Wyoming Spring Runoff 2020 Flood Potential--issued April 8th

Published 2020-04-10

March 2020 Regional Climate Summary for Western / Central Wyoming

Published 2020-04-04

Educational Resources

Published 2020-03-25

Wyoming Water Supply Outlook--March 11, 2020

Published 2020-03-11

Wyoming Spring Runoff 2020 Flood Potential--issued Feb 28th

Published 2020-02-28

Initial Wyoming Water Supply Outlook--Feb 12, 2020

Published 2020-02-13

Winter Storm through Late Monday

Published 2020-02-01

Prestigious Award Presented to Jack Darnell of Jeffrey City

Published 2020-01-06

December 2019 Regional Climate Summary for Western / Central Wyoming

Published 2020-01-05

November 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-12-04

Climate Summary for the region

NEW - Final Snowfall Totals from Thanksgiving Weekend Winter Storm

Published 2019-12-01

Major Winter Storm Continues Today over the East

Published 2019-11-29

The winter storm that produced widespread heavy snow across western and central Wyoming will push east Saturday evening. Conditions are improving from west-to-east late Saturday afternoon. However, travel will be difficult or roads may be closed even after the snow and wind has ended.

October 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-11-02

Winter 2019-20 Temperature and Precipitation Outlook

Published 2019-10-17

Fishhawk Fire Decision Support Page

Published 2019-09-06

August 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-09-04

The Rock Springs NOAA Weather Radio is Down

Published 2019-08-09

July 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-08-03

The July monthly summaries for our climate locations.

Casper All-Hazards NOAA Weather Radio is Down

Published 2019-07-20

Powder River Pass Tornado - June 19th

Published 2019-07-16

A severe thunderstorm produced a tornado in the Bighorn Mountains along Powder River Pass just before 7 PM on Wednesday, June 19th. Hundreds of conifer trees were uprooted or snapped at their trunks. Additionally, several large wooden snow fences were torn apart. The damage was consistent with an EF-1 tornado.

June 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-07-02

The June monthly summaries for our Climate locations.

Lightning safety Awareness week

Published 2019-06-24

Jackson, WY All-Hazards NOAA Weather Radio Remains Off the Air

Published 2019-06-12

May 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-06-02

May was much colder and wetter across western and central Wyoming.

Wyoming Water Supply Outlook--May 8, 2019

Published 2019-05-08

April 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-05-03

April was warmer than normal for our climate locations.

Marbleton, WY Tornado - April 26th, 2019

Published 2019-04-27

Wyoming Spring 2019 Snowmelt Flood Potential---issued April 17th

Published 2019-04-17

Wyoming Water Supply Outlook--April 9, 2019

Published 2019-04-09

Wyoming Spring 2019 Snowmelt Flood Potential---issued March 18th

Published 2019-04-05

Doppler Radar Down at times Monday, March 25th thru Wednesday, March 27th

Published 2019-03-22

Updated For Spring 2019! - Snotels and River Stage Graphs by River Basin

Published 2019-03-18

March 13th 2019 Winter Storm Summary

Published 2019-03-15

Snowfall Totals March 13-14 and Peak Wind Gusts for March 13th

Published 2019-03-14

Wyoming Water Supply Outlook--March 8, 2019

Published 2019-03-08

February 2019 Regional Climate Summary for Western / Central Wyoming

Published 2019-03-03

Climate summary for February 2019

February 2019 Multi-Day Winter Storm Summary 02/23-02/27

Published 2019-03-01

Winter Storm Finally Ends Across Western Wyoming

Published 2019-02-23

Lingering light snow will occur tonight with little additional accumulation.

Initial Wyoming Spring 2019 Snowmelt Flood Potential---issued February 22nd

Published 2019-02-22

Multi-Day Winter Storm Summary February 2019

Published 2019-02-17

Wyoming Water Supply Outlook--Feb 12, 2019

Published 2019-02-12

2018 Cimate Summary For Wyoming & Wyoming's 10 Climate Divisions

Published 2019-02-09

Final Winter Storm Snowfall Totals for February 2-6, 2019

Published 2019-02-06

Winter Storm Today through early Tuesday for Western and Central Wyoming

Published 2019-01-20

The winter storm will continue to bring snow and wind through early Tuesday morning east of the continental divide. Gusty winds will also continue through the night.

Casper 2018 Annual Climate Summary

Published 2019-01-16

Riverton 2018 Annual Climate Summary

Published 2019-01-16

Lander 2018 Annual Climate Summary

Published 2019-01-08

Strong Cold Front will Bring Snow/Wind to the West, High Winds to Central and Southwest Wyoming Today

Published 2019-01-06

A strong cold front will move across west and central Wyoming today. This front will bring more snow to the western mountains and valleys with moderate to locally heavy snow expected today. Strong to high winds are also expected with this storm. Sustained winds will be 30 to 45 mph with gusts of 50 to 65 mph across the mountains, and portions of central and southwest Wyoming.

Casper 2018 Annual Climate Summary

Published 2019-01-05

December 30th and 31st Winter Storm Summary

Published 2019-01-01

Bitter Cold Wind Chill Temperatures Across South and East Central Wyoming Tonight

Published 2019-01-01

Winter Storm continues this Morning

Published 2018-12-29

A winter storm continues this morning across areas east of the Continental Divide and Sweetwater County with snow and blowing snow causing terrible road conditions. Improving conditions are expected by midday today. Bitter cold temperatures will remain across the area over the next couple of days.

Slick Roads Tonight from Light Snow. Snow ends Wednesday Morning

Published 2018-12-26

Quick shot of snow for Western Wyoming and Windy areas Friday

Published 2018-12-21

Video Weather Briefing

Published 2018-12-18

Significant Snow over the far West Tuesday Night; Strong Wind over the East & South late Tuesday and Wednesday

Published 2018-12-17

A quick moving winter storm will bring significant snowfall over the far west mainly Tuesday night. Strong to high wind will develop in some areas Tuesday afternoon and evening, becoming more widespread on Wednesday.

Winter Storm Will Impact the Area Today with Snow and High WInd

Published 2018-12-10

A strong cold front will bring snow to the west and high wind to portions of central Wyoming today.

Winter Storm for Western Wyoming Tuesday Night - Wednesday

Published 2018-12-09

Snow moves into the western mountains late Tuesday and will spread across parts of central Wyoming through Wednesday. Widespread snow and gusty winds.

November 2018 Regional Climate Summary for Western / Central Wyoming

Published 2018-12-03

A summary of the November 2018 climate locations.

Today's Weather Story and a New System Bringing Snow to Western Wyoming Tuesday Evening

Published 2018-11-26

A new system will bring snow into western Wyoming Tuesday evening through late Wednesday.

Winter Storm Keeps Moving Eastward, Impacting Central Areas through Early Evening

Published 2018-11-22

A Winter Storm System will spread heavier snow and blustery wind into the west and southwest early Saturday morning, and into central areas through the day.

Today's Weather Story and Upcoming Snowfall Forecast for Western and Central Wyoming

Published 2018-11-15

Light Snow expected Tonight

Published 2018-11-11

Quick shot of snow for Saturday

Published 2018-11-10

Halloween Video Weather Briefing

Published 2018-10-29

A video weather briefing for Halloween

2018-19 Winter Outlook

Published 2018-10-20

2018-19 Winter Outlook

Storm Summary for October 13-14, 2018

Published 2018-10-15

Decision Support Page for the Roosevelt Wildfire

Published 2018-09-18

Decision Support Page for the Marten Creek Wildfire

Published 2018-09-18

Fall First Freeze Information

Published 2018-09-10

Fall First Freeze Information

Monthly Climate Summaries For August 2018: Mostly Cooler and Drier across Western & Central Wyoming

Published 2018-09-02

This is a recap of August 2018 climate data.

Fire Weather Information

Published 2018-08-09

Storm Reports from the Last 24 Hours

Published 2018-07-16

Terek Wildfire Weather Decision Support

Published 2018-07-10

Record or Near Record Heat Friday & Saturday

Published 2018-07-05

Wyoming Water Supply Outlook---LAST for water year 2018--June 14, 2018

Published 2018-06-14

Severe Weather Briefing: June 7, 2018

Published 2018-06-07

Western Wyoming Fire Weather Zone Boundaries to Change June 25

Published 2018-05-30

Fire weather forecast zone boundaries for the Bridger-Teton National Forest and the surrounding area will change on June 25, 2018. After this change, NWS Riverton fire weather forecast zones covering the Bridger-Teton National Forest will align with the Fire Danger Rating Areas of that forest.

Keep track of Rivers and Snotels in your area over Memorial Day Weekend. Click here for more information!

Published 2018-05-25

Keep track of river heights and SnoTels in your particular basin.

Video Weather Briefing for May 22, 2018

Published 2018-05-22

NWS Riverton Weather Radar will Be Down around 5 Days beginning May 21st

Published 2018-05-11

Wet Spring Storm ending early on Mother's Day

Published 2018-05-11

June 17 2018 Flood Watch

Published 2018-04-17

Spring Storm to bring Significant Snow and/or Wind to portions of the area.

Published 2018-04-11

A strong storm system has the potential to bring significant snow and/or wind to portions of the Cowboy State late Wednesday night through the day Friday. The worst impacts could occur across northern Wyoming where a Winter Storm Watch is in effect.

Saturday: Signficant Western Valley Rain & Mountain Snow with Minor Flooding Possible

Published 2018-04-05

April 2-3, 2018 Storm Summary - Final Snowfall Amounts and Peak Wind Gusts

Published 2018-04-03

Spring Storm Dumps 6-10 inches of Snow Across Central Wyoming - Storm Total Snowfall

Published 2018-03-27

Heavy Wet Snow Across Central Wyoming this Morning

Published 2018-03-25

A winter storm across central Wyoming will gradually come to an end in most areas from west to east this morning.

Decision Support Page for the Porcupine Slide

Published 2018-03-20

2018 Wyoming Spring Snowmelt Flood Potential Outlook---updated March 20th

Published 2018-03-20

Wyoming Water Supply Outlook--March 8, 2018

Published 2018-03-08

Winter Storm continues over the West, pushing into the East Today

Published 2018-03-02

A winter storm continues today across western Wyoming with areas of snow pushing east of the Divide. Winter driving conditions are expected in many locations today and tonight. Significant snow ends from west to east last this afternoon & evening.

Get ready for Spring Weather hazards by visiting our Spring Safety website!

Published 2018-03-01

Initial 2018 Wyoming Spring Snowmelt Flood Potential Outlook---issued February 28

Published 2018-02-28

Old Observations Continue to Display on Forecast Pages - Updated 1pm Tuesday

Published 2018-02-27

February 17th-19th Winter Storm Summary

Published 2018-02-20

A Canadian winter storm system brought significant snow to the area over the weekend and bitter cold temperatures that will continue through Wednesday morning.

Light to Moderate Snow Continues Today, Bitter Cold Follows Tonight through Wednesday

Published 2018-02-17

Light to Moderate Snow Continues Today, Bitter Cold Follows Tonight through Wednesday.

Storm Summary - Snowfall Totals and Peak Wind Gusts for February 8-10

Published 2018-02-11

Wyoming Water Supply Outlook---February 9, 2018

Published 2018-02-09

Snow continues in Northern and Western Wyoming Through Monday

Published 2018-02-04

Snow to Taper Off Across Central and South This Morning - Storm Summary

Published 2018-01-18

A Storm System will move out of the southern and central Rockies into the Plains today. Snow will continue to taper off this morning.

2017 Annual Climate Summaries

Published 2018-01-15

Wyoming Water Supply Outlook--January 9, 2018

Published 2018-01-09

Winter Storm Impacting the West through Wednesday, High Wind in Central Wind Corridor

Published 2018-01-09

Monthly Climate Summaries For December 2017: Warm & Wet for most locations

Published 2018-01-03

December 29th and 30th Winter Storm Summary

Published 2018-01-01

Storm Summary for December 20-21

Published 2017-12-22

Storm Summary for December 16-17

Published 2017-12-18

Winter Storm Impacting the Area through Tonight

Published 2017-12-15

Snow will continue across much of northern and central Wyoming into Saturday evening, and then taper off early Sunday morning. Be prepared for slick roads and areas of limited visibility this evening.

2017 Total Solar Eclipse in Western and Central Wyoming

Published 2017-08-01

New Tornado Database for Central and Western Wyoming

Published 2017-08-01

Monthly Climate Summaries For July 2017: Dry & A bit Hot across western and central Wyoming

Published 2017-08-01

Marginally Severe Thunderstorms Possible Across the North and East, Elevated Fire Danger South Again Today

Published 2017-06-27

Strong to marginally severe thunderstorms are possible as a cold front pushes across northern and eastern Wyoming this afternoon and evening. Elevated fire danger will remain over most of southern Wyoming this afternoon where very dry, windy and warm conditions; isolated high-based thunderstorms are expected.