Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Partly Cloudy

64°F

18°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.65 in
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 18 May 8:55 pm CDT
Extended Forecast for

Harlan Municipal Airport IA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 45. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Heavy Rain
    then Chance
    Showers

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 58. Breezy, with a north northwest wind 16 to 20 mph, with gusts as high as 26 mph.

    High: 58 °F

    Gradual
    Clearing and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. North wind 8 to 13 mph becoming light north northeast  after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. East northeast wind 5 to 8 mph.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. East wind 5 to 8 mph becoming calm.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Cloudy, with a high near 59. East wind 8 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Cloudy, with a low around 45. East wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 45 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Cloudy, with a high near 63. East wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 46. East wind 5 to 9 mph becoming calm  in the evening.

    Low: 46 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 45. Northwest wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 58. Breezy, with a north northwest wind 16 to 20 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 38. North wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 18 mph.
Wednesday
Partly sunny, with a high near 58. East northeast wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 42. East wind 5 to 8 mph becoming calm.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 59. East wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 45. East wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 63. East wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 46. East wind 5 to 9 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 5 to 7 mph becoming calm in the evening.
Memorial Day
Partly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlan Municipal Airport IA
 41.59°N 95.35°W (Elev. 1299 ft)
9:01 pm CDT May 18, 2026
9pm CDT May 18, 2026-6pm CDT May 25, 2026
 
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