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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

82°F

28°C

Humidity 55%
Wind Speed Vrbl 7 mph
Barometer 30.24 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 12 Jul 12:15 pm CDT
Extended Forecast for

Walnut IA

  • This Afternoon

    This Afternoon: Partly sunny early, then becoming sunny, with a high near 88. Southeast wind around 6 mph.

    High: 88 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. Southeast wind 3 to 6 mph.

    Low: 64 °F

    Clear

  • Monday

    Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 89. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. South southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68. Light south southeast wind.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Calm wind becoming south around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny early, then becoming sunny, with a high near 88. Southeast wind around 6 mph.
Tonight
Clear, with a low around 64. Southeast wind 3 to 6 mph.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 89. Calm wind becoming south southeast 5 to 8 mph in the morning.
Monday Night
Clear, with a low around 66. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 68. Light south southeast wind.
Wednesday
Sunny, with a high near 94. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 71. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 95. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 73. South wind 8 to 11 mph, with gusts as high as 17 mph.
Friday
Sunny, with a high near 96. South southwest wind 8 to 15 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 76. South wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 96. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut IA
 41.48°N 95.23°W (Elev. 1348 ft)
Last Update:
12:11 pm CDT Jul 12, 2026
Forecast Valid:
12pm CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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Additional Resources

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Chance of Precipitation