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

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Lytton IA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 11pm and midnight. Mostly clear, with a low around 64. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. West northwest wind around 5 mph becoming calm in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms between 11pm and midnight. Mostly clear, with a low around 64. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 84. West northwest wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly clear, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 78.
Sunday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 60.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lytton IA
 42.42°N 94.85°W
Last Update:
3:17 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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