Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

67°F

19°C

Humidity 79%
Wind Speed E 6 mph
Barometer 29.96 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 29 Jul 1:15 am CDT
Extended Forecast for

Green Island IA

  • Overnight

    Overnight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 1pm.  High near 81. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind.
Wednesday Night
Mostly clear, with a low around 64. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 66.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Island IA
 42.16°N 90.33°W (Elev. 587 ft)
8:36 pm CDT Jul 28, 2026
1am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database