Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. 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 will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1° N Lon: 92.44° W Elev: 830 ft.

Fair

82°F

28°C

Humidity 53%
Wind Speed S 6 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Jul 12:53 pm CDT
Detailed forecast for

Monroe County

This Afternoon
Partly sunny. Highs in the upper 80s. Southeast winds around 10 mph.
Tonight
Mostly cloudy. Patchy smoke in the evening. Showers with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 90 percent.
Friday
A chance of thunderstorms. Showers with highs around 80. South winds 10 to 15 mph, becoming southwest in the afternoon. Chance of rain 90 percent.
Friday Night
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
Saturday
Mostly sunny. A slight chance of showers in the morning. Humid with highs in the upper 70s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
Saturday Night
Mostly clear. Lows in the lower 60s.
Sunday
Sunny. Highs in the lower 80s.
Sunday Night
Mostly clear. Lows in the lower 60s.
Monday
Sunny. Highs in the mid 80s.
Monday Night
Mostly clear. Lows in the mid 60s.
Tuesday
Sunny. Highs in the upper 80s.
Tuesday Night
Mostly clear. Lows in the upper 60s.
Wednesday
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent.



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1213 PM CDT Thu Jul 30 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database