Skip to main content
U.S. flag

An official website of the United States government

Weekly Look Ahead

December 19, 2024 (Updated Every Thursday)

1–5 Day

Over the next 5–7 days, the best chances for precipitation are forecast over the Pacific Northwest, Midwest, and the eastern third of the United States. Much of the central and southern Plains, Southwest, and Rocky Mountains can expect little to no precipitation. Temperatures will be above normal over the western half of the country with the greatest departures expected over the Southwest, where it could be 10–13 degrees above normal. The coolest temperatures will be along the East Coast, where areas from North Carolina up to New York could experience temperatures 7–10 degrees below normal.

6–10 Day

The National Weather Service Climate Prediction Center’s 6–10 day outlooks show a greater probability for warmer-than-normal temperatures across almost the entire country—outside of the East Coast from North Carolina to Massachusetts, where odds favor near-normal conditions. The highest probabilities of above-normal temperatures will be in the northern Plains and upper Midwest. The greatest chances of above-normal precipitation will be in the Pacific Northwest and portions of the South. The best chances of below-normal precipitation are in the Southwest and northern New England.

 

This weekly look ahead is modified from the U.S. Drought Monitor's National Drought Summary for December 17, 2024, written by Brian Fuchs (National Drought Mitigation Center) and Richard Heim (NOAA's National Centers for Environmental Information).

Featured Outlooks & Forecasts

Predicting drought depends on the ability to forecast precipitation and temperature within the context of complex climate interactions. Many different datasets and maps are available that predict how precipitation and temperature may change in the future.

Official NOAA Drought Outlooks

Drought Is Predicted To...
Drought Is Predicted To...

Official NOAA Precipitation Forecast

Predicted Inches of Precipitation
1.75
Predicted Inches of Precipitation
1.75

Official NOAA Precipitation Outlooks

Probability of Below-Normal Precipitation
100%
Probability of Above-Normal Precipitation
100%
Probability of Below-Normal Precipitation
100%
Probability of Above-Normal Precipitation
100%
Probability of Below-Normal Precipitation
100%
Probability of Above-Normal Precipitation
100%
Probability of Near-Normal Precipitation
50%
Probability of Below-Normal Precipitation
100%
Probability of Above-Normal Precipitation
100%
Probability of Near-Normal Precipitation
50%

Official NOAA Temperature Outlooks

Probability of Below-Normal Temperatures
100%
Probability of Above-Normal Temperatures
100%
Probability of Below-Normal Temperatures
100%
Probability of Above-Normal Temperatures
100%
Probability of Below-Normal Temperatures
100%
Probability of Above-Normal Temperatures
100%
Probability of Near-Normal Temperatures
50%
Probability of Below-Normal Temperatures
100%
Probability of Above-Normal Temperatures
100%
Probability of Near-Normal Temperatures
50%

Challenges with Predicting Drought

Pressure Systems

High pressure systems, which hinder cloud formation and lead to low relative humidity and precipitation, can cause drought. When large-scale anomalies in atmospheric circulation patterns last for months or seasons, prolonged drought occurs (NDMC).

Temperate Zone Forecast Reliability

In temperate regions (above 30 north latitude), long-range forecasts have limited reliability. Due to differences in observed conditions and statistical models, reliable forecasts for temperate regions may not be attainable for a season or more in advance (NDMC).

Interconnected Variables

Anomalies in precipitation and temperature may last from several months to several decades, and how long they last can depend on air–sea interactions, soil moisture, land surface processes, topography, and weather systems at the global scale (NDMC).

ENSO and Global Weather Patterns

Teleconnections, such as ENSO and La Niña events, are atmospheric interactions between widely separated regions. Understanding these teleconnections can help in forecasting droughts, floods, tropical storms, and hurricanes (NDMC).