Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 400 AM EDT Tue Jul 25 2023 Valid 12Z Tue Jul 25 2023 - 12Z Thu Jul 27 2023 ...Excessive Rainfall leading to flash flooding possible over Northeast/Mid-Atlantic Coast today... ...Severe thunderstorms possible across Northern/Central Plains and Northeast/Mid-Atlantic Coast today then shifting into the Midwest on Wednesday... ...Above average temperatures spread across Northern/Central Plains and Upper/Middle Mississippi Valley over the next couple of days... ...Air Quality Alerts remain in effect across the Midwest and Upper Great Lakes due to Canadian wildfire smoke; Critical Fire Risk across Northern/Central Great Basin on Wednesday... Shortwave energy moving through the Northern/Central Plains will trigger thunderstorm activity. Storms will likely initiate in the vicinity of a pair of low pressure systems and attendant fronts. A Slight Risk of Severe thunderstorms capable of producing hail and wind is in effect for this area this afternoon and evening. Elsewhere, an upper level trough swinging through the Northeast/Mid-Atlantic Coast will produce scattered showers and thunderstorms across the region today. Some storms may turn severe with plenty instability and steep lapse rates, particularly over the Mid-Atlantic Coast where a Slight Risk of Severe Thunderstorms is in effect. The threat of Flash flooding looms over the DC to New York City I-95 Corridor this afternoon. A Slight Risk of Excessive Rainfall leading to Flash Flooding is in effect for this area as a result. Kebede Graphics available at https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php