- Unsettled, cool and wet weather for the West Coast through Wednesday; unsettled and wet weather for the Rockies throughout this period.
- Some high elevation snows expected in the west, especially for the California Sierra Nevada, central Idaho, and the Big Horn Mountains of Wyoming.
- Plenty of showers and thunderstorms in the Mississippi Valley from the Great Lakes to the Gulf Coast.
Extended outlooks are more general in nature and higher level than the daily short term forecasts. Beyond a week, there is often significant uncertainty in the location and intensity of specific weather events. I will note where there is less, or greater, confidence than normal in these extended outlooks.
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Click here for animations of the coming week’s weather, updated daily.
From the RV Weather Summer Office in Moose Wyoming
Big Picture for the weekend and next week:
- Unsettled, cool and wet weather for the West Coast through Wednesday; unsettled and wet weather for the Rockies throughout this period.
- Some high elevation snows expected in the west, especially for the California Sierra Nevada, central Idaho, and the Big Horn Mountains of Wyoming.
- Plenty of showers and thunderstorms in the Mississippi Valley from the Great Lakes to the Gulf Coast.
Temperature and Precipitation Outlook:
- Cool in the West west of I-15.
- Warm in the Central US between I-25 and I-81.
- Wetter than normal for California, Nevada, the Pacific Northwest, Northern Rockies and Northern Plains.
- Wetter than normal also for the Southeast and Gulf Coast.
- Dry for the Southwest, west Texas and the Northeast.
Highlights by day (6 – 11 May):
- Saturday:
- Possible severe weather for central and northeast Texas and the Corn Belt.
- Sunday:
- Possible severe weather for the Midwest and mid-Mississippi Valley.
- Monday:
- Possible severe weather for the Ohio Valley.
- Tuesday:
- Strong winds for the California Mojave Desert and southern Nevada.
- Wednesday:
- Strong winds over the Four-Corners States and Wyoming.
- Strong winds for the Oklahoma and Texas Panhandles.
- Thursday:
- Strong winds for most of Nebraska and western Kansas.
More Highlights (from the National Weather Service):
- Heavy rain across portions of the Central Rockies, the Central Plains, and the Northern Plains,
Wed-Thu, May 10-May 11. - Heavy rain across portions of the Great Lakes, and the Upper Mississippi Valley, Mon, May 8.
- Flooding possible across portions of the Middle Mississippi Valley and the Northern Plains.
- Flooding occurring or imminent across portions of the Northern Plains, the Northern Rockies, the
Middle Mississippi Valley, the Mid-Atlantic, the Northern Great Basin, and the Upper Mississippi
Valley. - Flooding likely across portions of the Pacific Northwest, the Northern Rockies, and the Northern
Great Basin.
Outlook for the latter part of May (a 2-4 week outlook is by definition low confidence!):
- Through mid-month:
- Drier than normal north of I-80 and west of I-35.
- Warmer than normal for the West, the Rockies, the northern and central Plains and the Upper Midwest.
- Cooler than normal over most of Texas.
- By the end of May:
- Temperatures return to near normal in the Western and Northern U.S.
- Cooler than normal over the Southeast.
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