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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

Mostly Cloudy

81°F

27°C

Humidity 66%
Wind Speed Vrbl 6 G 22 mph
Barometer 29.77 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Sep 7:55 pm CDT
Extended Forecast for

Riverton IA

Flood Watch until September 15, 01:00pm
Tornado Watch September 14, 08:18pm until September 15, 12:00am
Severe T-storm Warning until September 14, 09:00pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
...
  •  
    Flood Watch until September 15, 01:00pm
    Tornado Watch September 14, 08:18pm until September 15, 12:00am
    Severe T-storm Warning until September 14, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 66 °F

    Severe
    Thunderstorms
    then Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 4pm, then a chance of showers. High near 70. North northeast wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm. High near 79. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • 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 67. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Light southeast wind.

    High: 85 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. East wind 3 to 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could be severe. Low around 66. South wind 5 to 15 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 4pm, then a chance of showers. High near 70. North northeast wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 62. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 1pm. High near 79. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Light southeast wind.
Thursday Night
Partly cloudy, with a low around 69. East wind 3 to 7 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. South wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Southwest wind 7 to 9 mph, with gusts as high as 16 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light north northwest wind.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North northwest wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Light north wind.
Monday
A slight chance of showers. Partly sunny, with a high near 71. North wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton IA
 40.69°N 95.58°W (Elev. 922 ft)
Last Update:
7:51 pm CDT Sep 14, 2026
Forecast Valid:
8pm CDT Sep 14, 2026-6pm CDT Sep 21, 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