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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 30.14 in (1020.1 mb)
Dewpoint 54°F (12°C)
Visibility 8.00 mi
Last update 28 Aug 6:53 am CDT
Extended Forecast for

Lincoln IA

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming west southwest around 5 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 65. Light south southeast wind becoming south 5 to 10 mph in the evening.

    Low: 65 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers and thunderstorms likely before noon, then a chance of showers between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. South wind around 15 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. South wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming west southwest around 5 mph.
Tonight
Increasing clouds, with a low around 65. Light south southeast wind becoming south 5 to 10 mph in the evening.
Saturday
Showers and thunderstorms likely before noon, then a chance of showers between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 71. South wind around 15 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 89. South wind 11 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lincoln IA
 42.27°N 92.68°W
Last Update:
6:31 am CDT Aug 28, 2026
Forecast Valid:
7am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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