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

84°F

29°C

Humidity 55%
Wind Speed S 7 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 28 Aug 6:35 pm CDT
Extended Forecast for

Tarkio MO

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 96. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.

    High: 92 °F

    Slight Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 102. South wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 79. South wind around 15 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 96.

    High: 96 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 96. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Saturday Night
Partly cloudy, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 102. South wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 79. South wind around 15 mph, with gusts as high as 23 mph.
Monday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Partly sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Mostly sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Partly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tarkio MO
 40.43°N 95.38°W (Elev. 932 ft)
Last Update:
1:27 pm CDT Aug 28, 2026
Forecast Valid:
6pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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Chance of Precipitation