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

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 >

Hazardous Weather Conditions

Current conditions at

Lake Elmo Airport (K21D)

Lat: 45°NLon: 92.85°WElev: 925ft.

Fair

54°F

12°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Aug 2:55 am CDT
Extended Forecast for

Dellwood MN

  • Overnight

    Overnight: Mostly clear, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. South southwest wind 5 to 15 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. Northwest wind 5 to 10 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. North northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. North northwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. East northeast wind around 5 mph becoming south southeast after midnight.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. South southwest wind 5 to 15 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 61. North northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 77. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 57. North northwest wind 5 to 10 mph becoming light north after midnight.
Sunday
Sunny, with a high near 78. Calm wind.
Sunday Night
Partly cloudy, with a low around 60. East northeast wind around 5 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 79. South wind 5 to 10 mph.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 65. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64. Northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dellwood MN
 45.1°N 93°W (Elev. 928 ft)
Last Update:
2:20 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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