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 >

Hazardous Weather Conditions

Current conditions at

Washington (KAWG)

Lat: 41.28°NLon: 91.67°WElev: 755ft.

Fair

66°F

19°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 2:55 am CDT
Extended Forecast for

Brighton IA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. North wind around 5 mph.

    Low: 62 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 81. East wind around 5 mph becoming calm in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 84. Southwest wind 5 to 10 mph.

    High: 84 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. North wind around 5 mph.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. East wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 84. Southwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brighton IA
 41.17°N 91.83°W (Elev. 732 ft)
Last Update:
1:26 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation