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

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Mostly Cloudy

68°F

20°C

Humidity 94%
Wind Speed NW 8 mph
Barometer 29.89 in
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 16 Jul 2:15 am CDT
Extended Forecast for

Hancock IA

Severe T-storm Watch July 16, 02:31am until July 16, 03:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch July 16, 02:31am until July 16, 03:00am

    NOW until 3:00am Wed

    Severe T-storm Watch

  • Overnight

    Low: 68 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 10am and 2pm. Mostly cloudy, with a high near 82. West southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 9 to 11 mph, with gusts as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 73. North wind around 10 mph, with gusts as high as 16 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East wind 5 to 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South southeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind 6 to 10 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87. South wind 6 to 9 mph.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 3am, then showers and thunderstorms likely, mainly between 3am and 4am. Some of the storms could be severe. Low around 68. South wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 10am and 2pm. Mostly cloudy, with a high near 82. West southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 9 to 11 mph, with gusts as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 73. North wind around 10 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 57. East wind 5 to 8 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South southeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind 6 to 10 mph.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87. South wind 6 to 9 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East northeast wind 6 to 8 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. East wind 7 to 10 mph, with gusts as high as 17 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind 7 to 10 mph.
Monday
Partly sunny, with a high near 86. Southeast wind 7 to 10 mph, with gusts as high as 16 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southeast wind 6 to 9 mph.
Tuesday
Sunny, with a high near 91. South wind 7 to 11 mph, with gusts as high as 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hancock IA
 41.39°N 95.35°W (Elev. 1175 ft)
Last Update:
1:35 am CDT Jul 16, 2025
Forecast Valid:
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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