Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Duluth International Airport (KDLH)

Lat: 46.84°NLon: 92.19°WElev: 1427ft.

Partly Cloudy

58°F

14°C

Humidity 72%
Wind Speed SW 5 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 20 Aug 2:55 am CDT
Extended Forecast for

5 Miles W Hermantown MN

  • Overnight

    Overnight: A 30 percent chance of showers after 5am.  Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 55. South wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. Breezy, with a north wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. East wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 52. Calm wind.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 55. South wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 53. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 74. Breezy, with a north wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 48. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 74. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 50. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76. South wind around 5 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southeast wind around 5 mph becoming southwest after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Breezy, with a southwest wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 57. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Hermantown MN
 46.81°N 92.35°W
2:41 am CDT Aug 20, 2026
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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