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

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

Lat: 44.45°NLon: 95.82°WElev: 1181ft.

Fair

49°F

9°C

Humidity 69%
Wind Speed NW 9 mph
Barometer 29.66 in (1004.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Nov 3:56 am CST
Extended Forecast for

Arco MN

  • Overnight

    Overnight: A chance of sprinkles after 5am. Mostly cloudy, with a steady temperature around 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: A 20 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 50. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Northwest wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. West northwest wind around 5 mph becoming east in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Southeast wind 5 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 45. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely before midnight, then a chance of rain and snow. Cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of sprinkles after 5am. Mostly cloudy, with a steady temperature around 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 50. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 30. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 47. West northwest wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 45. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Rain likely before midnight, then a chance of rain and snow. Cloudy, with a low around 29. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arco MN
 44.38°N 96.17°W (Elev. 1663 ft)
Last Update:
3:18 am CST Nov 15, 2025
Forecast Valid:
3am CST Nov 15, 2025-6pm CST Nov 21, 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