The nation’s weather

Weather Underground Forecast for Thursday, September 19, 2013.

Severe weather will storm through the northern Midwest on Thursday as a cold front moves through the region, while a high pressure system will bring warmer conditions to the East Coast.

As a cold front moves out of the Great Basin and through the Midwest, severe thunderstorms may develop along the central and northern Plains. A strong southerly flow will bring warm, moist air from the Gulf of Mexico into the Midwest, which may help ignite these severe thunderstorms. Spotty rain and thunderstorms can also be expected in Texas, while a stationary front will usher thunderstorms into southern Florida. A low pressure system sitting in the southern Gulf of Mexico has a high, 80% chance of developing into a tropical cyclone, but is not expected to impact the U.S. on Thursday.

High pressure centered over the Mid-Atlantic will bring warmer temperatures to much of the East Coast, as conditions are expected to remain clear on Thursday.

High Pressure will also develop over the Great Basin and West Coast states on Thursday, bringing warm, clear conditions to the region. The Southwest will continue to experience very warm conditions, as temperatures will range between the 90s and 100s. Meanwhile, the Pacific Northwest coast can expect spotty showers throughout the day, while conditions will remain dry inland.

Temperatures in the Lower 48 states Wednesday have ranged from a morning low of 24 degrees at Truckee-Tahoe, Calif. to a high of 100 degrees at Goodyear, Ariz.

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