The start of meteorological autumn is just a few days away and we're starting to see a greater temperature contrast with each advancing cold front.
Cooler than normal air will be over the Pacific Northwest through the end of August and then the temperature will bump up slightly. It will be very wet along the north-central Gulf coast where up to 3" to 7" of rain will fall from Apalachicola FL to around New Orleans. The hardest hit areas will be around Mobile and Biloxi. Meanwhile, temperatures will be 4 to 7 degrees above normal over a wide swath of the country - from Texas to New Jersey and Delaware. Temperatures will cool to near normal Friday, September 3.
Heavy rain will fall now through September 12 across the Upper Mississippi River Valley and the western Great Lakes. Heavier than normal rainfall is also expected over Colorado and small portions of adjoining states, mainly as scattered showers and thunderstorms. Local 2" to 4" amounts will be possible.
Temperatures will be in the 90s - 8 to 18 degrees above normal - September 5 through 7 across Minnesota, South Dakota, Nebraska, northwest Iowa and northwest Kansas.
Utility Impacts: Air conditioners will continue to run across much of the southeast half of the country. There will be several nights requiring heating across the Pacific Northwest and also far northern New England.
Agriculture: Wet weather will provide more than enough moisture for the central and northern Great Plains. Fields across the north half of Wisconsin and most of Minnesota, northwest Iowa and eastern South Dakota will be too wet to work 8 out of the next 15 days. Much of the Southeast (except Florida and coastal Gulf of Mexico) will be drier than normal with expanding drought.
Aviation: No significant impacts are expected through September 12.
Construction: Delays are likely for the Upper Mississippi River Valley and western Great Lakes (but not Chicago). Showery weather across Florida may cause some delays there.
Cooler than normal air will be over the Pacific Northwest through the end of August and then the temperature will bump up slightly. It will be very wet along the north-central Gulf coast where up to 3" to 7" of rain will fall from Apalachicola FL to around New Orleans. The hardest hit areas will be around Mobile and Biloxi. Meanwhile, temperatures will be 4 to 7 degrees above normal over a wide swath of the country - from Texas to New Jersey and Delaware. Temperatures will cool to near normal Friday, September 3.Heavy rain will fall now through September 12 across the Upper Mississippi River Valley and the western Great Lakes. Heavier than normal rainfall is also expected over Colorado and small portions of adjoining states, mainly as scattered showers and thunderstorms. Local 2" to 4" amounts will be possible.
Temperatures will be in the 90s - 8 to 18 degrees above normal - September 5 through 7 across Minnesota, South Dakota, Nebraska, northwest Iowa and northwest Kansas.
Utility Impacts: Air conditioners will continue to run across much of the southeast half of the country. There will be several nights requiring heating across the Pacific Northwest and also far northern New England.
Agriculture: Wet weather will provide more than enough moisture for the central and northern Great Plains. Fields across the north half of Wisconsin and most of Minnesota, northwest Iowa and eastern South Dakota will be too wet to work 8 out of the next 15 days. Much of the Southeast (except Florida and coastal Gulf of Mexico) will be drier than normal with expanding drought.
Aviation: No significant impacts are expected through September 12.
Construction: Delays are likely for the Upper Mississippi River Valley and western Great Lakes (but not Chicago). Showery weather across Florida may cause some delays there.
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