Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Hannibal Regional Airport (KHAE)

Lat: 39.73° N Lon: 91.44° W Elev: 770 ft.

Fog/Mist

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 72°F (22°C)
Visibility 3.00 mi
Last update 18 Sep 5:55 am CDT
Detailed forecast for

Monroe County

Today
Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph. Heat index values up to 101 this afternoon.
Tonight
Partly cloudy. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph.
Saturday
Mostly cloudy. Highs around 90. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 50 percent.
Sunday
Mostly cloudy. Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 70 percent.
Sunday Night
A chance of thunderstorms. Showers likely. Lows in the lower 60s. Chance of rain 70 percent.
Monday
A slight chance of thunderstorms. Showers likely, mainly in the morning. Cooler with highs in the upper 60s. Chance of rain 70 percent.
Monday Night
A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the mid 50s. Chance of rain 20 percent.
Tuesday And Tuesday Night
Mostly cloudy. Highs in the mid 60s. Lows around 50.
Wednesday And Wednesday Night
Partly cloudy. Highs in the upper 60s. Lows in the lower 50s.
Thursday
Partly sunny. Highs in the lower 70s.



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448 AM CDT Fri Sep 18 2026
 
 

Additional Resources

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