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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

Fog/Mist

64°F

18°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 1.00 mi
Last update 20 Aug 4:50 am CDT
Extended Forecast for

2 Miles NW Blanchard IA

Dense Fog Advisory until August 20, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until August 20, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 64 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. Light south wind.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming west southwest around 6 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 66. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Northeast wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 1pm. Partly sunny, with a high near 80. Calm wind becoming east southeast around 5 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light and variable wind.
Thursday Night
Mostly clear, with a low around 67. Light south wind.
Friday
Sunny, with a high near 87. Calm wind becoming west southwest around 6 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 66. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 62. Northeast wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers after 1pm. Partly sunny, with a high near 80. Calm wind becoming east southeast around 5 mph.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. East southeast wind 6 to 8 mph.
Monday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Southeast wind 9 to 11 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 65. East southeast wind 5 to 9 mph becoming light southeast after midnight.
Tuesday
Mostly sunny, with a high near 86. Light and variable wind becoming west southwest around 6 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 85. Calm wind becoming north northwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Blanchard IA
 40.6°N 95.26°W (Elev. 1152 ft)
Last Update:
4:35 am CDT Aug 20, 2026
Forecast Valid:
5am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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