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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

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

Lat: 44.98°NLon: 96.18°WElev: 1077ft.

Overcast

58°F

14°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 30.31 in
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 17 Sep 9:15 am CDT
Extended Forecast for

Marietta MN

  • Today

    Today: Mostly cloudy, with a high near 75. East northeast wind around 5 mph.

    High: 75 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly after 3am. Low around 59. East wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 66. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Cloudy, with a low around 54. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 68. North northeast wind around 10 mph.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. North northeast wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 67. East wind 5 to 10 mph.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 49. East northeast wind around 5 mph.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 62. East wind 5 to 10 mph.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 75. East northeast wind around 5 mph.
Tonight
Showers, mainly after 3am. Low around 59. East wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 66. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Showers likely, mainly before 1am. Cloudy, with a low around 54. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy, with a high near 68. North northeast wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 51. North northeast wind around 5 mph.
Sunday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 67. East wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49. East northeast wind around 5 mph.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 62. East wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47. East southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 68. Southeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 49. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 73. South southeast wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta MN
 45.02°N 96.42°W (Elev. 1129 ft)
Last Update:
9:02 am CDT Sep 17, 2026
Forecast Valid:
9am CDT Sep 17, 2026-6pm CDT Sep 23, 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