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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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.

A Few Clouds

77°F

25°C

Humidity 79%
Wind Speed NE 10 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 5:35 pm CDT
Extended Forecast for

2 Miles S Avoca IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 72. Northeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Light south southwest wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85. Calm wind becoming west southwest around 5 mph.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 1pm. Partly sunny, with a high near 78. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 78 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 72. Northeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. Light south southwest wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85. Calm wind becoming west southwest around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.
Saturday Night
A slight chance of showers after 1am. Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers before 1pm. Partly sunny, with a high near 78. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East wind around 7 mph.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 80. East southeast wind around 8 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East southeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Avoca IA
 41.46°N 95.35°W (Elev. 1135 ft)
Last Update:
4:35 pm CDT Aug 19, 2026
Forecast Valid:
5pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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