
A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >
Important Disclaimer
The following plots are experimental and not an official forecast product. They were created as a test based upon user feedback as a way to display 28-day forecasts for locations along the Lower Mississippi and Lower Ohio Rivers. Although 28-day forecasts using 2 days of forecast rainfall (QPF) are considered operational, 28-day forecasts using 16 days of forecast rainfall remain experimental.
Experimental products may not always update in a timely manner and may be discontinued at a future date. Experimental products may not always reflect accurate, quality controlled information and should be used with caution.
Official forecasts remain available from the main LMRFC web page or AHPS (water.weather.gov).
Click here for important information about uncertainty in long range Mississippi River forecasts