Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

Mostly Cloudy

85°F

29°C

Humidity 80%
Wind Speed S 13 G 23 mph
Barometer 29.72 in (1005.6 mb)
Dewpoint 78°F (26°C)
Visibility 9.00 mi
Heat Index97°F (36°C)
Last update 28 Jun 7:52 pm CDT
Extended Forecast for

3 Miles WSW Martelle IA

Extreme Heat Warning June 29, 12:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 109. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 75. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 94. Heat index values as high as 109. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 76. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Independence Day
Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Martelle IA
 42.01°N 91.39°W (Elev. 896 ft)
8:01 pm CDT Jun 28, 2026
8pm CDT Jun 28, 2026-6pm CDT Jul 5, 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