Skip to main content
U.S. flag

An official website of the United States government

Weekly Look Ahead

August 20, 2026 (Updated Every Thursday)

1–5 Day

Over the next five days (August 20–24), above-normal rainfall is possible east of the I-95 corridor along the Atlantic coast. Eastern Indiana, Ohio, and Pennsylvania could also see wetter conditions, as well as northern Minnesota and Wisconsin. The area where the Ohio River and Mississippi River meet is also forecast to receive above-normal rainfall. The Southeast is also forecast to see above-normal rainfall in many locations. 

The South should continue to have below-normal rainfall, with the Southwestern states having moderate monsoonal rains. Little rainfall is forecast for the West Coast states in the next five days.

6–10 Day

The National Weather Service Climate Prediction Center's 6–10 day outlook (valid August 25–29, 2026) favors above-normal precipitation across the northern half of the Eastern Seaboard from South Carolina to the eastern Great Lakes region and into New England. Above-normal precipitation is also favored throughout Hawaii and over most of mainland Alaska, except for the southern coast, southeast peninsula, and the Aleutian Islands. Below-normal rainfall is favored over much of Texas. Temperatures are likely to be well above.normal over much of the continental U.S. other than the far West Coast and from the eastern Great Lakes to the Mid-Atlantic. Hawaii is also favored to have above-normal warmth. Alaska is likely to see below-normal temperature in the northwest part of the state and above-normal in the southeast.

 

This weekly look ahead is modified from the U.S. Drought Monitor's National Drought Summary for August 18, 2026, written by David Mocko (National Aeronautics and Space Administration) and Curtis Riganti (National Drought Mitigation Center).

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...
2-4 Week Hazard Outlook

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%

Official NOAA Fire + Heat Outlooks

Forecast Risk of Fire Weather
Hazard Outlook for Days 3–7
Hazard Outlook for Days 8–14

Official NOAA River Stage (Level) Forecast

Maximum Forecast River Stage

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).