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

Hazardous Weather Conditions

Current conditions at

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (KMML)

Lat: 44.45°NLon: 95.82°WElev: 1181ft.

Fair

68°F

20°C

Humidity 93%
Wind Speed SW 10 mph
Barometer 29.91 in (1012.2 mb)
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 7 Aug 5:56 am CDT
Extended Forecast for

Arco MN

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Chance
    T-storms then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 81. South wind 5 to 10 mph becoming northeast in the morning.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 57. North northwest wind 5 to 10 mph becoming light and variable.
Saturday
Sunny, with a high near 81. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 81. South wind 5 to 10 mph becoming northeast in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arco MN
 44.4°N 96.17°W (Elev. 1657 ft)
Last Update:
6:48 am CDT Aug 7, 2026
Forecast Valid:
6am CDT Aug 7, 2026-6pm CDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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