Warmer, with a chance of thunderstorms

Our early morning fog has lifted, and we'll have some periods of filtered sunshine through this afternoon.

Some of us could also see a thunderstorm this afternoon and tonight, as a warm front moves through Minnesota:

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The last couple frames in the loop show a cold front moving through Minnesota Monday night, which could ignite a few additional thunderstorms.

The Storm Prediction Center of the National Weather Service shows a slight risk of severe weather over parts of northern and west-central Minnesota today and tonight. The outlook also indicates a marginal risk of severe weather over the remainder of central Minnesota and part of southern Minnesota. The marginal risk outline includes the Twin Cities metro area:

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Storm Prediction Center/National Weather Service

A marginal risk of severe weather means that an isolated severe thunderstorm is possible.

Here are the risk categories that are used by the Storm Prediction Center:

You can follow severe weather developments on the MPR News live blog.

Warmer temps

Highs today will be in the lower 80s over much of Minnesota: 

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Some spots in southwestern Minnesota will see mid to upper 80s, while parts of northeastern Minnesota will top out in the upper 70s.

Dew point temperatures in the muggy upper 60s to around 70 are expected over southern and central Minnesota this afternoon.

Highs temperatures on Monday will be little warmer than today in many spots:

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Dew points will hover around 70 degrees over central and southern Minnesota.

Tropical update

Forecasters continue to watch an area of low pressure located near the north coast of central Cuba. The low is expected to drift west-northwestward over the next couple of days.

The National Hurricane Center states that there is a 40 percent chance that this will become a tropical cyclone within the next 48 hours:

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National Hurricane Center

The low pressure system is expected to move into the warmer waters of the Gulf of Mexico sometime on Monday. It could strengthen into a tropical storm or even a hurricane this week.

The National Hurricane Center posts frequent tropical weather updates.

Programming note

You can hear my live weather updates at 7:35 a.m. and 4:35 p.m. each Saturday and Sunday on Minnesota Public Radio.