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Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Ames, Ames Municipal Airport (KAMW)

Lat: 41.99°NLon: 93.62°WElev: 945ft.

Fair

65°F

18°C

Humidity 90%
Wind Speed N 6 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Aug 1:53 am CDT
Extended Forecast for

Collins IA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 59. North wind 3 to 5 mph.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 80. Light north wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. South southeast wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Southeast wind 7 to 9 mph.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 59. North wind 3 to 5 mph.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 80. Light north wind.
Wednesday Night
Mostly clear, with a low around 60. Light and variable wind.
Thursday
Mostly sunny, with a high near 81. South southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Southeast wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collins IA
 41.91°N 93.3°W
Last Update:
10:53 pm CDT Aug 12, 2025
Forecast Valid:
2am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation