Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 19 Aug 2:55 am CDT
Extended Forecast for

Tennant IA

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am.  Mostly cloudy, with a steady temperature around 70. Light east wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 76. East wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Light east southeast wind.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the morning.

    High: 82 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers before 1pm.  Sunny, with a high near 83. Light and variable wind becoming west northwest around 6 mph in the morning.

    High: 83 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. East wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a steady temperature around 70. Light east wind.
Wednesday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. East wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 60. Light east southeast wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 63. South wind around 5 mph.
Friday
A 20 percent chance of showers before 1pm. Sunny, with a high near 83. Light and variable wind becoming west northwest around 6 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. Light and variable wind.
Saturday
Sunny, with a high near 80. Calm wind becoming north northeast 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 61. East wind 3 to 5 mph.
Sunday
A slight chance of showers before 1pm. Partly sunny, with a high near 77. East southeast wind 3 to 8 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. East southeast wind around 7 mph.
Monday
Partly sunny, with a high near 80. Southeast wind around 8 mph.
Monday Night
Partly cloudy, with a low around 63. East southeast wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 82. Light and variable wind becoming west southwest around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Tennant IA
 41.59°N 95.44°W (Elev. 1348 ft)
1:35 am CDT Aug 19, 2026
3am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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