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 >

Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Partly Cloudy

77°F

25°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Sep 11:54 pm CDT
Extended Forecast for

Payson IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. Northwest wind around 6 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 64. Northeast wind 7 to 10 mph.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 68. Northeast wind around 9 mph.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 59. Northeast wind around 8 mph.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. Northwest wind around 6 mph.
Sunday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 64. Northeast wind 7 to 10 mph.
Monday
A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 68. Northeast wind around 9 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59. Northeast wind around 8 mph.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Payson IL
 39.82°N 91.24°W (Elev. 719 ft)
Last Update:
1:26 am CDT Sep 20, 2026
Forecast Valid:
2am CDT Sep 20, 2026-6pm CDT Sep 26, 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