A slow-moving storm system will continue to bring thunderstorms, heavy rain and flooding potential from Southeast Florida, into the Southern to Central Appalachians and the Mid-Atlantic regions today into Wednesday. Gusty winds and dry fuels will support widespread critical fire weather in the northern Plains into the Upper Midwest and the Southwest. Read More >
Summary | Forecast | Snowfall Reports | Travel Center | Monitoring & Reporting | Safety
This page is no longer being updated. Check out the storm summary here: https://www.weather.gov/riw/MidDecemberStormSummary
SYNOPSIS: A significant winter storm over the Great Basin will continue to impact much of the area with moderate to heavy snow possible through Tuesday morning.
Strong northeast winds will cause areas of blowing and drifting snow, with areas of very limited visibility across portions of central and southern Wyoming, including Interstates 80, 90 and 25. White-out conditions and ground blizzards are expected along the I25 and I90 corridor this evening, moving south into eastern Sweetwater County and central portions of the I80 corridor overnight tonight. Details of this upcoming winter storm are below.
IMPACTS:
 |
|
Click Image To Enlarge |
|
|
|
|
|
|
|
|
High Wind Statement |
|
Multimedia Briefing |
 |
 |
|
Click Image To Enlarge Current Watches, Warnings, and Advisories |
Click Image To Enlarge Additional Storm Snowfall for Tuesday through early Wednesday morning |
Snow and Wind Forecasts - Update Every 3 Hours
 |
 |
|
12 Hour Snow Accumulation Forecast |
12 Hour Peak Wind Gusts |
 |
 |
|
24 Hour Snow Accumulation Forecast |
12-24 Hour Peak Wind Gusts |
 |
 |
|
36 Hour Snow Accumulation Forecast |
24-36 Hour Peak Wind Gusts |
 |
 |
|
Today's High Temperature |
Tonight's Low Temperature |
 |
 |
|
Tomorrow's High Temperature |
Tomorrow Night's Low Temperature |
 |
 |
|
Day 3 High Temperature |
Day 3 Low Temperature |
| County | Station Name | Snowfall |
|---|---|---|
| Big Horn | Bone Springs Divide Snotel | 2 |
| Big Horn | Lovell | 1.5 |
| County | Station Name | Snowfall |
| Fremont | Lander Airport | 5 |
| Fremont | Lander | 4.5 |
| Fremont | Townsend Creek Snotel | 4 |
| Fremont | Lander | 3.6 |
| Fremont | 1 SE Lander | 3 |
| Fremont | St. Lawrence Alt Snotel | 3 |
| Fremont | Little Warm Snotel | 3 |
| Fremont | Cold Springs Snotel | 2 |
| Fremont | Brooks Lake | 2 |
| Fremont | Burroughs Creek Snotel | 2 |
| Fremont | Castle Creek Snotel | 2 |
| Fremont | South Pass Snotel | 1 |
| Fremont | Deer Park Snotel | 1 |
| Fremont | Riverton | 1 |
| Fremont | Hobbs Park Snotel | 1 |
| Fremont | Riverton Airport | 0.8 |
| County | Station Name | Snowfall |
| Johnson | Bear Trap Meadow Snotel | 1 |
| Johnson | Cloud Peak Reservoir Snotel | 1 |
| County | Station Name | Snowfall |
| Lincoln | Star Valley Ranch | 4.1 |
| Lincoln | Alpine | 4 |
| Lincoln | 5 SSE Smoot | 3 |
| Lincoln | Afton | 2.9 |
| Lincoln | 2 SE Thayne | 2.5 |
| Lincoln | Box Y Ranch | 2 |
| Lincoln | Commissary Ridge | 2 |
| Lincoln | Kemmerer | 2 |
| Lincoln | Willow Creek Snotel | 1 |
| Lincoln | Blind Bull Summit | 1 |
| Lincoln | Indian Creek Snotel | 1 |
| Lincoln | Fossil Butte | 1 |
| County | Station Name | Snowfall |
| Natrona | Casper Mountain Snotel | 7 |
| Natrona | Casper Airport | 6.1 |
| Natrona | 2 E Evansville | 5 |
| Natrona | Reno Hill Snotel | 5 |
| Natrona | Midwest | 3 |
| Natrona | Grave Spring Snotel | 1 |
| County | Station Name | Snowfall |
| Park | Cody | 5 |
| Park | Beartooth Lake Snotel | 4 |
| Park | Blackwater Snotel | 4 |
| Park | Evening Star Snotel | 4 |
| Park | Wolverine Snotel | 4 |
| Park | Marquette Snotel | 4 |
| Park | 1 W Powell | 3 |
| Park | Cody | 3 |
| Park | Timber Creek Snotel | 3 |
| Park | Pahaska | 3 |
| Park | Kirwin Snotel | 1 |
| Park | 3 NE Clark | 0.7 |
| Park | 4 SE Cody | 0.3 |
| Park | 3 W Wapiti | 0.3 |
| Park | 5 ESE Cody | 0.2 |
| County | Station Name | Snowfall |
| Sublette | Bondurant | 5.3 |
| Sublette | Triple Peak Snotel | 3 |
| Sublette | New Fork Lake Snotel | 2 |
| Sublette | 14 NW Pinedale | 0.5 |
| County | Station Name | Snowfall |
| Sweetwater | Bairoil | 0.5 |
| Sweetwater | Rock Springs | 0.2 |
| County | Station Name | Snowfall |
| Teton | 5 NW Jackson | 10.5 |
| Teton | Jackson Hole - Rendezvous Bowl | 8.5 |
| Teton | 3 SSW Wilson | 8 |
| Teton | Jackson Hole - Mid Mountain | 7 |
| Teton | Snow King | 7 |
| Teton | Moose | 6 |
| Teton | Grassy Lake Snotel | 6 |
| Teton | Granite Creek Snotel | 6 |
| Teton | Jackson Hole - Raymer | 6 |
| Teton | Grand Targhee - Chief Joseph | 6 |
| Teton | 2 NE Teton Village | 6 |
| Teton | Jackson Hole - Base | 5 |
| Teton | 12 NE Jackson | 5 |
| Teton | Jackson Dam | 4.8 |
| Teton | Jackson | 4.2 |
| Teton | Togwotee Pass Snotel | 4 |
| Teton | Darwin Ranch | 3 |
| Teton | Base Camp Snotel | 2 |
| County | Station Name | Snowfall |
| Washakie | Powder River Pass Snotel | 1 |
| Washakie | Middle Powder Snotel | 1 |
| County | Station Name | Snowfall |
| Yellowstone | Snake River Ranger Station | 9 |
| Yellowstone | Lewis Lake Divide Snotel | 7 |
| Yellowstone | Parker Peak Snotel | 5 |
| Yellowstone | Sylvan Lake Snotel | 5 |
| Yellowstone | Lamar Ranger Station | 4 |
| Yellowstone | Tower Falls Ranger Station | 3 |
| Yellowstone | Sylvan Road Snotel | 3 |
Summary | Forecast | Travel Center | Monitoring & Reporting | Safety
|
|
|
|
|
|
|
|
|
 |
 |
 |
 |
|
|
|
|
|
 |
 |
 |
 |
|
|
|
|
|
|
|
 |
 |
 |
Click Here to See All Webcams (New Window)
If you plan to travel, we recommend checking road conditions along your route and staying on top of road closures here. If you are on Twitter, follow the hashtag: #WyoRoad (or look below) for the latest weather affecting roads and road conditions in and around Wyoming.
| Tweets by @NWSRiverton | #WyoRoad Tweets |
|
Get the play-by-play on this storm and contribute your own snow reports to #wywx |
On the road? Tweet road conditions to #WyoRoad! |
 |
 |
|
Winter Terminology |
Snow Plow Safety |
 |
 |
|
Prepare You and Your Car Before Traveling |
Always Have A Winter Survival Kit In Your Car |
 |
 |
|
Remember Proper Winter Driving Tips |
Stay In Your Vehicle If Stranded |
Summary | Forecast | Travel Center | Monitoring & Reporting | Safety
PLEASE SEND US YOUR SNOW REPORTS (CLICK HERE)
 |
Monitor our Severe Weather Summary Page for current Warnings, Watches, and Advisories. What's the difference? |
 |
Check the latest Weather Story graphic for an overview of the area forecast. |
 |
Check out what's on the radar. Riverton | Pocatello | Cheyenne | Billings | Salt Lake City | Rapid City | Mosaic |
 |
Submit storm reports/images and keep up to date with us on Facebook! |
 |
Submit storm reports/images and keep up to date with us on Twitter! |
 |
Other reporting methods include submitting an online report, email (cr.wxriw@noaa.gov), or by phone at 1-800-211-1448. |
 |
Check the latest Public Information Statement for the latest storm reports. |
 |
Monitor current road conditions by visiting the Wyoming Dept. of Transportation (WYDOT) or by calling 5-1-1. |
Summary | Forecast | Travel Center | Monitoring & Reporting | Safety
Winter Safety Kit | Winter Weather Safety
 |
Learn more about the National Weather Service's efforts to build a Weather-Ready Nation! |
Follow us on X
Follow us on Facebook
Follow us on YouTube
RIW RSS Feed
