Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Madison-Lac Qui Parle County Airport (KDXX)

Lat: 44.98°NLon: 96.18°WElev: 1077ft.

Mostly Cloudy

80°F

27°C

Humidity 100%
Wind Speed SW 8 mph
Barometer 29.99 in
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Aug 2:35 pm CDT
Extended Forecast for

Marietta MN

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 3pm.  Mostly cloudy, with a high near 82. West northwest wind around 10 mph.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. North northwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Partly cloudy, with a low around 59. West wind around 5 mph.  Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 77. North northwest wind around 5 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 54. North northwest wind around 5 mph.

    Low: 54 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 76. North wind around 5 mph.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 82. West northwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 78. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 81. Southwest wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 59. West wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. North northwest wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 54. North northwest wind around 5 mph.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 54. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 79. South wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58. South wind around 5 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81. West southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta MN
 45°N 96.42°W (Elev. 1122 ft)
2:06 pm CDT Aug 15, 2026
2pm CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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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