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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

Fair

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Aug 11:55 pm CDT
Extended Forecast for

Tarkio MO

  • Overnight

    Overnight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, mainly between 7am and 8am. Mostly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 70. South southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 95. Breezy, with a south wind 14 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 80. South wind around 16 mph, with gusts as high as 25 mph.

    Low: 80 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Breezy.

    High: 97 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 95.

    High: 95 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 40%.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Calm wind.
Friday
A chance of showers, mainly between 7am and 8am. Mostly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Friday Night
Increasing clouds, with a low around 70. South southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday
A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 95. Breezy, with a south wind 14 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 80. South wind around 16 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny and hot, with a high near 97. Breezy.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Partly sunny, with a high near 95.
Monday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tarkio MO
 40.45°N 95.38°W (Elev. 919 ft)
Last Update:
8:26 pm CDT Aug 27, 2026
Forecast Valid:
12am CDT Aug 28, 2026-6pm CDT Sep 3, 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