Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Duluth - Sky Harbor Airport (KDYT)

Lat: 46.72°NLon: 92.04°WElev: 607ft.

A Few Clouds

77°F

25°C

Humidity 34%
Wind Speed NW 14 mph
Barometer 29.96 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 1:15 pm CDT
Extended Forecast for

Duluth MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Northwest wind around 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am.  Increasing clouds, with a low around 58. Northwest wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 71. East wind 5 to 10 mph becoming south in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 9pm.  Mostly cloudy, with a low around 59. East wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. North wind around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Northwest wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Northwest wind around 10 mph.
Tonight
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 58. Northwest wind around 5 mph becoming calm.
Thursday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 71. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 59. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 76. North wind around 5 mph.
Friday Night
Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 75. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 55. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers. Mostly sunny, with a high near 74. Light east wind increasing to 5 to 10 mph in the morning.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. East wind 5 to 10 mph becoming southwest after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Breezy, with a west wind 5 to 15 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Duluth MN
 46.79°N 92.1°W
1:21 pm CDT Aug 19, 2026
1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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