Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22° N Lon: 91.16° W Elev: 827 ft.

Mostly Cloudy

70°F

21°C

Humidity 78%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Sep 9:55 am CDT
Detailed forecast for

Delaware County

Rest Of Today
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 50 percent.
Tonight
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 70 percent.
Friday
Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 70 percent.
Friday Night
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Southeast winds around 5 mph. Chance of rain 50 percent.
Saturday
Partly sunny with a chance of showers. Highs in the upper 70s. South winds around 5 mph. Chance of rain 50 percent.
Saturday Night
Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
Sunday And Sunday Night
Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 50 percent.
Monday
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 70s.
Monday Night
Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent.
Tuesday
Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
Tuesday Night And Wednesday
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.



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957 AM CDT Thu Sep 18 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database