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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

A Few Clouds

72°F

22°C

Humidity 83%
Wind Speed SW 3 G 12 mph
Barometer 30.14 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Oct 10:55 am CDT
Extended Forecast for

3 Miles S Riverton IA

  • Today

    Today: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 79. South southeast wind 7 to 9 mph, with gusts as high as 16 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 63. South southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 81. Breezy, with a south wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South southeast wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 51. Southwest wind around 6 mph becoming west northwest after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Mostly clear, with a low around 41. Northwest wind around 9 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 64. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 79. South southeast wind 7 to 9 mph, with gusts as high as 16 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 63. South southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 81. Breezy, with a south wind 10 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 62. South southeast wind 11 to 13 mph, with gusts as high as 20 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. Southwest wind around 6 mph becoming west northwest after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 68. Northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Saturday Night
A slight chance of showers before 1am. Mostly clear, with a low around 41. Northwest wind around 9 mph.
Sunday
Sunny, with a high near 64. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 48. South wind 6 to 10 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 72. South wind 11 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 48. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers. Sunny, with a high near 66. West southwest wind 14 to 17 mph, with gusts as high as 25 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Riverton IA
 40.65°N 95.58°W (Elev. 1001 ft)
Last Update:
10:51 am CDT Oct 15, 2025
Forecast Valid:
11am CDT Oct 15, 2025-6pm CDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation