Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Hannibal Regional Airport (KHAE)

Lat: 39.73°NLon: 91.44°WElev: 770ft.

Fair

77°F

25°C

Humidity 61%
Wind Speed S 9 mph
Barometer 29.97 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Aug 1:35 am CDT
Extended Forecast for

3 Miles NNW Hannibal MO

Heat Advisory August 31, 12:00pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 74. South wind around 10 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South wind 3 to 7 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 102. Southwest wind around 7 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 79. Calm wind becoming south around 6 mph after midnight.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. South wind around 10 mph, with gusts as high as 22 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 77. South wind 3 to 7 mph.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 102. Southwest wind around 7 mph.
Tuesday Night
Clear, with a low around 79. Calm wind becoming south around 6 mph after midnight.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hannibal MO
 39.75°N 91.41°W (Elev. 564 ft)
1:26 am CDT Aug 31, 2026
1am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database