Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Washington (KAWG)

Lat: 41.28°NLon: 91.67°WElev: 755ft.

Fair

81°F

27°C

Humidity 70%
Wind Speed SW 12 G 18 mph
Barometer 29.89 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Aug 9:15 am CDT
Extended Forecast for

Washington IA

Heat Advisory August 31, 01:00pm until September 2, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming southwest in the evening.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

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

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming southwest in the evening.
Tuesday
Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75. South wind around 10 mph.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Washington IA
 41.3°N 91.68°W (Elev. 761 ft)
9:01 am CDT Aug 31, 2026
9am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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