National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Duluth International Airport (KDLH)

Lat: 46.84°NLon: 92.19°WElev: 1427ft.

Mostly Cloudy

72°F

22°C

Humidity 76%
Wind Speed SW 5 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Jul 8:55 pm CDT
Extended Forecast for

Arnold MN

Extreme Heat Watch July 26, 11:00am until July 26, 09:00pm
Heat Advisory July 25, 11:00am until July 25, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 90. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 86. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. North wind around 5 mph becoming east in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 90. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 86. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 85. North wind around 5 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84. East wind around 5 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 61. East wind around 5 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 86. East wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming northwest after midnight.
Friday
Sunny, with a high near 85. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold MN
 46.87°N 92.1°W
Last Update:
8:56 pm CDT Jul 24, 2026
Forecast Valid:
9pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation