Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Current Hazards
Current Conditions
Radar
Forecasts
Rivers and Lakes
- National Water Prediction Service (NWPS)
Climate and Past Weather
Local Programs

The Hydrologic Ensemble Forecasting System (HEFS) is a probabilistic forecasting tool currently under development by the National Weather Service (NWS). The goals of HEFS are to provide hydrologic forecasts including an analysis of “probable outcomes” and to minimize biases in the atmospheric models and in the hydrologic models.

Below is information about HEFS:

HEFS Data
- HEFS Experimental Data page.
HEFS Resources
- Information and FAQs about HEFS.

DMX RSS Feed

Extreme Heat and Excessive Rainfall This Week

Hydrologic Ensemble Forecast System (HEFS) Information