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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 44.45°NLon: 95.82°WElev: 1181ft.

Fair

63°F

17°C

Humidity 73%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1016.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 3 Oct 4:56 pm CDT
Extended Forecast for

Arco MN

  • Tonight

    Tonight: Clear, with a low around 48. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. North northwest wind around 5 mph becoming calm.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 76. Breezy, with a south southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 48. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 65. Northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 46. North northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 68. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 76. Breezy, with a south southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 57. Breezy.
Saturday
Mostly sunny, with a high near 74. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arco MN
 44.38°N 96.17°W (Elev. 1663 ft)
Last Update:
4:53 pm CDT Oct 3, 2026
Forecast Valid:
5pm CDT Oct 3, 2026-6pm CDT Oct 10, 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