Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4°NLon: 90.71°WElev: 1040ft.

Mostly Cloudy

82°F

28°C

Humidity 72%
Wind Speed SW 9 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 25 Jul 4:53 pm CDT
Extended Forecast for

Peosta IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning July 26, 11:00am until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  • Tonight

    Tonight: Increasing clouds, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Heat index values as high as 105. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 4am.  Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 75. Southwest wind around 10 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Sunny, with a high near 92. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 71. South wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 105. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 75. Southwest wind around 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Sunny, with a high near 92. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Peosta IA
 42.44°N 90.85°W (Elev. 1037 ft)
4:42 pm CDT Jul 25, 2026
5pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
 
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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