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Thunderstorms throughout this week will bring multiple days of flood risks across the US, with seven states under threat on Tuesday, while 11 states are under heat warnings, and the aurora borealis visible over the US. See the 3-day forecast and alerts.
Here are the latest weather alerts from the National Weather Service (NWS) for Tuesday.
Excessive heat warning: northwestern, western, northeastern, and east central Washington; central California; southeastern Missouri; northeastern Louisiana; west-central Mississippi.
Heat advisory: Washington; Oregon; northern and southwestern Idaho; northern central, western, and southwestern California; central and eastern Oklahoma; eastern Texas; central and southern Missouri; northern and southeastern Louisiana; west-central, central, and southern Mississippi; southwestern Alabama; western Florida Panhandle.
Flash flood warning: southwestern Missouri.
Flood warning: western Texas.
Flood watch: western Texas, central and southwestern Colorado.
Flood advisory: western and southern Texas, southwestern Missouri.
The aurora borealis may be visible over the northern tier of the US over the next three days, KRTV reported. The NOAA Space Weather Prediction Center has issued a G1 geomagnetic storm watch for Tuesday and a G2 geomagnetic storm watch for Wednesday.
On Tuesday night into Wednesday morning, the aurora borealis may be visible in portions of Montana, North Dakota, Minnesota, Wisconsin, Michigan, and Maine.
On Wednesday night into Thursday morning, the aurora borealis may be visible in portions of Washington, Idaho, Montana, North Dakota, South Dakota, Minnesota, Wisconsin, Iowa, Michigan, New York, Vermont, New Hampshire, and Maine.
Temperatures will be soaring this week, particularly in the West, central US, and parts of the South. Scattered thunderstorms throughout the week across the lower 48 will bring multiple days of heavy rain with potential flash flooding to several areas.
Here is the latest 3-day forecast from the National Weather Service (NWS).
Scattered thunderstorms across the lower 48, with the thickest concentration over parts of the Southwest, Midwest, South, and Southeast.
Possible flooding over Utah, Arizona, Colorado, New Mexico, Texas, Missouri, and Arkansas (see flood alerts above).
At least 11 states are under heat warnings for Tuesday (see above).
Very low chance of severe weather.
Scattered thunderstorms will stretch from coast to coast, with the strongest storms in the South and around the Gulf with a very low chance of severe weather.
In the Southwest, heavy rain will bring the potential of flash flooding over southern Arizona, as well as southern, central, and north-central New Mexico into south-central Colorado.
Scattered thunderstorms will stretch across the southern tier of the US from eastern California to the Atlantic, with another band of storms over the upper Midwest and Great Lakes region, as well as over the Northeast.
Heavy rain with the potential of flash flooding over southeastern Arizona into southwestern New Mexico.
