Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

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

NA

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint NA
Visibility NA
Last update *** Not a current observation ***
Detailed forecast for

Monroe County

Tonight
Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph, becoming southeast around 5 mph after midnight.
Friday
Patchy fog in the morning. Sunny with highs in the lower 80s. South winds 5 to 10 mph.
Friday Night
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 20 percent.
Saturday
Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, becoming northwest in the afternoon. Chance of rain 30 percent.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Humid with lows in the lower 60s. North winds around 5 mph. Chance of rain 40 percent.
Sunday
Partly sunny with a chance of showers. A chance of thunderstorms, mainly in the morning. Highs in the upper 70s. Chance of rain 50 percent.
Sunday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
Monday
Mostly sunny. A chance of showers and thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
Monday Night
Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.
Tuesday
Showers likely. Highs in the mid 70s. Chance of rain 70 percent.
Tuesday Night
Showers likely. Lows in the upper 50s. Chance of rain 70 percent.
Wednesday
Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 70 percent.
Wednesday Night
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 40 percent.
Thursday
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the lower 70s. Chance of rain 40 percent.



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613 PM CDT Thu Sep 10 2026
 
 

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