Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Partly Cloudy

82°F

28°C

Humidity 67%
Wind Speed Calm
Barometer 29.96 in (1014.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Aug 11:52 am CDT
Extended Forecast for

5 Miles NW West Branch IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 81. Calm wind becoming southeast around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm.  Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 82. North wind around 5 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 81. Calm wind becoming southeast around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind around 5 mph.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW West Branch IA
 41.73°N 91.43°W (Elev. 748 ft)
12:01 pm CDT Aug 19, 2026
12pm CDT Aug 19, 2026-6pm CDT Aug 25, 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