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

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Duluth International Airport (KDLH)

Lat: 46.84°NLon: 92.19°WElev: 1427ft.

Light Drizzle Fog/Mist

59°F

15°C

Humidity 96%
Wind Speed E 12 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 58°F (14°C)
Visibility 6.00 mi
Last update 16 Jul 1:55 am CDT
Extended Forecast for

Duluth International Airport MN

  • Overnight

    Overnight: Showers likely, mainly after 4am. Cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 11am. Cloudy, with a steady temperature around 56. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 72. North wind around 5 mph becoming south in the afternoon.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. South wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph becoming northeast after midnight.

    Low: 56 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 1pm. Partly sunny, with a high near 72. Northeast wind 5 to 10 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly after 4am. Cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before 11am. Cloudy, with a steady temperature around 56. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 72. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 52. South wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. South wind 5 to 10 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph becoming northeast after midnight.
Saturday
A slight chance of showers before 1pm. Partly sunny, with a high near 72. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 75. Northeast wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 55. East wind 5 to 10 mph.
Monday
A chance of showers. Mostly sunny, with a high near 76. Southeast wind around 10 mph, with gusts as high as 15 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Southwest 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:
Duluth International Airport MN
 46.85°N 92.19°W
Last Update:
1:40 am CDT Jul 16, 2025
Forecast Valid:
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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