Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.89 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 11 Aug 12:55 am CDT
Extended Forecast for

Harlan IA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 74. Light east wind.

    Low: 74 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 70. East wind 3 to 5 mph.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. East northeast wind 6 to 8 mph.

    High: 88 °F

    Partly Sunny

  • 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 66. East northeast wind 5 to 9 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm.  Cloudy, with a high near 79. East northeast wind 5 to 10 mph, with gusts as high as 17 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 64. East wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 79. East southeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 79 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. East wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 74. Light east wind.
Tuesday
Mostly sunny, with a high near 89. Light and variable wind becoming southeast around 6 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 70. East wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 88. East northeast wind 6 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East northeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Cloudy, with a high near 79. East northeast wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 79. East southeast wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. Southeast wind 5 to 7 mph becoming west southwest in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light north wind.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Calm wind becoming north around 6 mph in the morning.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 61. Light northeast wind.
Monday
Partly sunny, with a high near 77. Light east wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlan IA
 41.66°N 95.32°W (Elev. 1299 ft)
1:05 am CDT Aug 11, 2026
1am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
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