National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed SW 9 mph
Barometer 29.79 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 31 Jul 8:55 am CDT
Extended Forecast for

Kellogg IA

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 11 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Cloudy, with a low around 62. Windy, with a north wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Windy. Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Windy, with a north wind 17 to 23 mph, with gusts as high as 33 mph.

    High: 79 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. North wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. North northeast wind 5 to 7 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 11 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Cloudy, with a low around 62. Windy, with a north wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Windy, with a north wind 17 to 23 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 62. North wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 81. North northeast wind 5 to 7 mph.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 83.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kellogg IA
 41.71°N 92.9°W
Last Update:
6:01 am CDT Jul 31, 2026
Forecast Valid:
9am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation