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

Hazardous Weather Conditions

Current conditions at

Washington (KAWG)

Lat: 41.28°NLon: 91.67°WElev: 755ft.

Fair

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 28 Aug 1:15 am CDT
Extended Forecast for

Harper IA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 84. Calm wind becoming west around 5 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Southeast wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 65. Southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harper IA
 41.37°N 92.06°W (Elev. 827 ft)
Last Update:
7:26 pm CDT Aug 27, 2026
Forecast Valid:
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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