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 >

Current conditions at

Chariton (KCNC)

Lat: 41.03°NLon: 93.37°WElev: 1050ft.

Partly Cloudy

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 11:55 pm CDT
Extended Forecast for

Derby IA

  • Overnight

    Overnight: Mostly clear, with a low around 61. Light southwest wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 11 to 18 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Breezy, with a south wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Breezy.

    High: 95 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Breezy.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 94. Breezy.

    High: 94 °F

    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Light southwest wind.
Friday
Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 67. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 11 to 18 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 76. Breezy, with a south wind 14 to 16 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 95. Breezy.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Breezy.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 94. Breezy.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby IA
 40.93°N 93.46°W
Last Update:
11:21 pm CDT Aug 27, 2026
Forecast Valid:
12am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation