National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Lima, Lima Allen County Airport (KAOH)

Lat: 40.71°NLon: 84.02°WElev: 974ft.

Overcast

72°F

22°C

Humidity 87%
Wind Speed NE 9 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Sep 2:53 pm EDT
Extended Forecast for

Alger OH

Flood Watch September 20, 07:00pm until September 21, 08:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 55. Northeast wind 14 to 16 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 55 °F

    Heavy Rain

  • Monday

    Monday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 65. Northeast wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 9pm. Mostly cloudy, with a low around 53. Northeast wind 11 to 16 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 66. Northeast wind 11 to 16 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 77. Northeast wind 10 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 55. Northeast wind 14 to 16 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 65. Northeast wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of showers before 9pm. Mostly cloudy, with a low around 53. Northeast wind 11 to 16 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 66. Northeast wind 11 to 16 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alger OH
 40.72°N 83.84°W (Elev. 997 ft)
Last Update:
4:00 pm EDT Sep 20, 2026
Forecast Valid:
4pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation