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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

Fair

68°F

20°C

Humidity 64%
Wind Speed SW 6 mph
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 9.00 mi
Last update 11 Oct 4:35 am CDT
Extended Forecast for

Tarkio MO

  • Today

    Today: Increasing clouds, with a high near 88. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 88 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 72. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Decreasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Clear, with a low around 64. South southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Clear then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 7am, then a slight chance of showers after 1pm. Sunny, with a high near 84. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 84 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 88. South wind 9 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 72. South wind around 14 mph, with gusts as high as 24 mph.
Columbus Day
Sunny, with a high near 91. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Monday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Clear, with a low around 64. South southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of thunderstorms before 7am, then a slight chance of showers after 1pm. Sunny, with a high near 84. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 63. Breezy.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Tarkio MO
 40.43°N 95.38°W (Elev. 932 ft)
Last Update:
2:31 am CDT Oct 11, 2026
Forecast Valid:
4am CDT Oct 11, 2026-6pm CDT Oct 17, 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