Big Picture:
- Big cold late winter-like storm makes its way through the West and into the Rockies by Monday, bringing extensive strong winds and mountain snows.
- Severe weather hazards return to the Central Plains on Monday, then spreads eastward to the Ohio Valley on Tuesday and Wednesday.
- First real heat wave for the South expected by late next week. Heat index could reach 110 deg F in southern Texas.
From the RV Weather Winter Office in State College Pennsylvania
Weather highlights for this weekend and the coming week
- Strong winds along the West Coast from Canada to Mexico on Saturday.
- These winds move into the Great Basin, Inter-Mountain West, Southwest, Rockies and High Plains over the weekend and into early next week. All east-west interstates impacted.
- Accumulating snow this weekend across the Oregon Cascades, Northern California and the Sierra Nevada.
- Snow in the Montana and Wyoming Rockies Monday, with a rain/snow mix lingering throughout much of the week.
- Severe weather breaks out on Monday across the Central Plains. Severe weather spreads to the Ohio Valley Tuesday and Wednesday.
- Most locations will see average or above average precipitation. The exception is Florid which will be drier than normal.
- Colder than normal in the West; much warmer than normal in the East.
- A rainy weekend in the East. Rain again in the Mid-Atlantic and Northeast this Wednesday and again next weekend.
Click here to read Week Two highlights.
Significant weather for days 3-7






Weather highlights for May 10th – May 16th
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 exact timing, location and intensity of specific weather events.
- Strong winds return to the Southwest next weekend.
- Heavy rains with some potential for flooding across the Mid-South and Tennessee Valley next weekend.
- Excessive heat becomes an impact across southern Texas and the Gulf Coast. Heat index values may reach 110 deg F across southern Texas.
- Much of the West Coast will be drier than normal.
Significant weather for days 8-14







