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Observed 10:45 AM CDT at KMWA

Simpson, IL weather

Sunny and 63°17°, 9°5° warmer than a typical Oct 24.

Today: low 46°8° (likely 44°7° to 48°9°), high 77°25° (likely 73°23° to 77°25°).

Forecasts agree

Now 63°17°

Sunny

Wind
5 mph8 km/h
From the southeast. Light through 11 PM
Dew point
48°9°
Comfortable
UV index
3Moderate
Moderate until 4 PM · peak 5
Pressure
30.39 inHg1029 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

4°2° cooler than this time yesterday (66°19° then, 63°17° now)

Good hours for
  • High 77°25° today at 4 PM
  • Drops 12°7° tonight 6–9 PM (71°22° → 59°15°)
  • Below 60°16° tonight after 8 PM
  • Above 60°16° tomorrow by 10 AM
  • Drops 12°7° tomorrow night 6–9 PM (72°22° → 60°16°)
  1. This afternoonUp to 77°25° by 4 PM · Clear
  2. TonightDown to 48°9° by 4 AM · Partly cloudy
  3. Tomorrow morningUp to 70°21° by 11 AM · Partly cloudy
  4. Tomorrow afternoonUp to 78°26° by 4 PM · Mostly cloudy
  5. Tomorrow nightDown to 48°9° by 5 AM · Mostly cloudy
  6. Monday morningUp to 66°19° by 10 AM · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aMostly sunny67°19° (likely 65°18° to 67°19°)67°19°0%2 mph3 km/h from SE, gusts 5 mph8 km/h45%10%3
Sat 12pMostly sunny71°22° (likely 68°20° to 71°22°)71°22°0%2 mph3 km/h from SE, gusts 5 mph7 km/h38%16%4
Sat 1pMostly sunny74°23° (likely 70°21° to 74°23°)74°23°0%2 mph3 km/h from SE, gusts 4 mph6 km/h34%18%5
Sat 2pSunny75°24° (likely 72°22° to 75°24°)75°24°0%2 mph3 km/h from SE, gusts 4 mph6 km/h33%21%4
Sat 3pMostly sunny75°24° (likely 73°23° to 75°24°)75°24°0%1 mph2 km/h from SE, gusts 3 mph5 km/h32%65%3
Sat 4pMostly sunny77°25° (likely 72°22° to 77°25°)77°25°0%1 mph2 km/h from SE, gusts 3 mph5 km/h29%41%1
Sat 5pSunny75°24° (likely 70°21° to 75°24°)75°24°0%0 mph0 km/h, gusts 3 mph5 km/h33%4%0
Sat 6pClear71°22° (likely 64°18° to 71°22°)71°22°0%0 mph0 km/h, gusts 3 mph4 km/h39%14%0
Sat 7pCloudy66°19° (likely 60°16° to 66°19°)66°19°0%0 mph0 km/h, gusts 4 mph6 km/h50%63%0
Sat 8pMostly clear59°15° (likely 57°14° to 59°15°)59°15°0%0 mph0 km/h, gusts 5 mph8 km/h69%44%0
Sat 9pMostly clear56°13° (likely 55°13° to 57°14°)56°13°0%0 mph0 km/h, gusts 4 mph7 km/h74%51%0
Sat 10pClear54°12° (likely 54°12° to 56°13°)54°12°0%0 mph0 km/h, gusts 4 mph6 km/h80%40%0
Sat 11pClear52°11° (likely 52°11° to 56°13°)52°11°0%0 mph0 km/h, gusts 4 mph7 km/h86%40%0
Sun 12aClear51°11° (likely 51°11° to 55°13°)51°11°0%0 mph0 km/h, gusts 4 mph6 km/h86%5%0
Sun 1aClear51°11° (likely 51°11° to 54°12°)51°11°0%0 mph0 km/h, gusts 4 mph7 km/h86%1%0
Sun 2aClear50°10° (likely 50°10° to 54°12°)50°10°0%0 mph0 km/h, gusts 4 mph6 km/h89%36%0
Sun 3aClear49°9° (likely 49°9° to 53°12°)49°9°0%0 mph0 km/h, gusts 4 mph6 km/h89%32%0
Sun 4aClear48°9° (likely 48°9° to 52°11°)48°9°0%0 mph0 km/h, gusts 3 mph5 km/h93%34%0
Sun 5aClear48°9° (likely 48°9° to 52°11°)48°9°0%0 mph0 km/h, gusts 3 mph4 km/h89%7%0
Sun 6aMostly clear47°8° (likely 47°8° to 51°11°)47°8°0%0 mph0 km/h, gusts 2 mph4 km/h93%43%0
Sun 7aSunny46°8° (likely 46°8° to 51°11°)46°8°0%0 mph0 km/h, gusts 3 mph5 km/h96%41%0
Sun 8aPartly sunny48°9° (likely 48°9° to 54°12°)48°9°0%0 mph0 km/h, gusts 3 mph5 km/h96%44%0
Sun 9aPartly sunny56°13° (likely 55°13° to 60°16°)56°13°0%0 mph0 km/h, gusts 4 mph7 km/h80%49%1
Sun 10aPartly sunny65°18° (likely 62°17° to 66°19°)65°18°0%1 mph2 km/h from SSW, gusts 10 mph16 km/h58%55%2
Sun 11aPartly sunny70°21° (likely 68°20° to 70°21°)70°21°0%2 mph3 km/h from SSW, gusts 11 mph17 km/h46%62%3
Sun 12pCloudy73°23° (likely 71°22° to 73°23°)73°23°0%3 mph5 km/h from SW, gusts 12 mph20 km/h40%77%4
Sun 1pCloudy75°24° (likely 74°23° to 75°24°)75°24°0%3 mph5 km/h from SW, gusts 11 mph17 km/h36%81%4
Sun 2pCloudy76°24° (likely 75°24° to 76°24°)76°24°0%3 mph5 km/h from SW, gusts 9 mph15 km/h34%81%4
Sun 3pCloudy77°25° (likely 75°24° to 77°25°)77°25°0%2 mph3 km/h from SSW, gusts 8 mph13 km/h33%82%3
Sun 4pCloudy78°26° (likely 74°23° to 78°26°)78°26°0%2 mph3 km/h from S, gusts 7 mph11 km/h31%86%2
Sun 5pCloudy76°24° (likely 71°22° to 76°24°)76°24°0%1 mph2 km/h from S, gusts 5 mph8 km/h36%84%1
Sun 6pCloudy72°22° (likely 66°19° to 72°22°)72°22°0%0 mph0 km/h, gusts 4 mph6 km/h43%85%0
Sun 7pCloudy67°19° (likely 62°17° to 67°19°)67°19°0%0 mph0 km/h, gusts 3 mph5 km/h52%88%0
Sun 8pCloudy60°16° (likely 59°15° to 61°16°)60°16°0%0 mph0 km/h, gusts 3 mph5 km/h72%87%0
Sun 9pCloudy57°14° (likely 57°14° to 60°16°)57°14°0%0 mph0 km/h, gusts 2 mph3 km/h80%87%0
Sun 10pCloudy56°13° (likely 56°13° to 59°15°)56°13°0%0 mph0 km/h, gusts 2 mph3 km/h80%88%0
Sun 11pCloudy54°12° (likely 54°12° to 59°15°)54°12°0%0 mph0 km/h, gusts 2 mph3 km/h86%88%0
Mon 12aCloudy53°12° (likely 53°12° to 59°15°)53°12°0%0 mph0 km/h, gusts 2 mph2 km/h86%87%0
Mon 1aCloudy52°11° (likely 52°11° to 58°14°)52°11°0%0 mph0 km/h, gusts 1 mph2 km/h89%86%0
Mon 2aCloudy51°11° (likely 51°11° to 57°14°)51°11°0%0 mph0 km/h, gusts 2 mph2 km/h89%84%0
Mon 3aCloudy50°10° (likely 50°10° to 55°13°)50°10°0%0 mph0 km/h, gusts 2 mph4 km/h93%73%0
Mon 4aCloudy50°10° (likely 48°9° to 54°12°)50°10°0%0 mph0 km/h, gusts 2 mph3 km/h89%76%0
Mon 5aCloudy48°9° (likely 48°9° to 53°12°)48°9°0%0 mph0 km/h, gusts 2 mph2 km/h93%88%0
Mon 6aCloudy46°8° (likely 46°8° to 53°12°)46°8°0%0 mph0 km/h, gusts 2 mph3 km/h100%88%0
Mon 7aCloudy47°8° (likely 47°8° to 54°12°)47°8°0%0 mph0 km/h, gusts 2 mph3 km/h96%93%0
Mon 8aMostly cloudy52°11° (likely 47°8° to 57°14°)52°11°0%0 mph0 km/h, gusts 3 mph5 km/h86%95%0
Mon 9aMostly cloudy59°15° (likely 54°12° to 62°17°)59°15°0%0 mph0 km/h, gusts 5 mph8 km/h72%80%1
Mon 10aMostly cloudy66°19° (likely 61°16° to 66°19°)66°19°0%0 mph0 km/h, gusts 6 mph10 km/h61%81%2

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 77°25°, low 46°8°. Typical 68°20° / 44°7°. Dry. Forecasts agree.
    1. Afternoon

      noon–6 PM

      Mostly sunny, 77°25°

      Dry

    2. Evening

      6 PM–midnight

      Mostly clear, 59°15°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 48°9°

      Dry

    Official NWS forecast

    Today: Sunny. High near 77, with temperatures falling to around 75 in the afternoon. East southeast wind around 2 mph.

    Tonight: Mostly clear. Low around 46, with temperatures rising to around 48 overnight. Wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    73°23°–77°25°
    Low, likely
    44°7°–48°9°
    Typical high / low
    68°20° / 44°7°
    Wind
    6 mph9 km/h, gusts 13 mph21 km/h
    UV peak
    5
  2. Tomorrow, Oct 25. Cloudy. High 78°26°, low 46°8°. Typical 67°19° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Partly sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 78°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 48°9°

      Dry

    Official NWS forecast

    Day: Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. South southwest wind 0 to 3 mph.

    Night: Mostly cloudy, with a low around 46. Wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    75°24°–78°26°
    Low, likely
    46°8°–51°11°
    Typical high / low
    67°19° / 43°6°
    Wind
    8 mph13 km/h, gusts 15 mph23 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly cloudy. High 78°26°, low 47°8°. Typical 67°19° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Mostly cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 51°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 78. South southwest wind around 2 mph.

    Night: Partly cloudy, with a low around 47. Wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    73°23°–78°26°
    Low, likely
    47°8°–53°12°
    Typical high / low
    67°19° / 43°6°
    Wind
    5 mph8 km/h, gusts 11 mph18 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Cloudy. High 75°24°, low 49°9°. Typical 66°19° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 53°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 75. South southeast wind 0 to 3 mph.

    Night: Mostly cloudy, with a low around 49. East northeast wind around 1 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    72°22°–75°24°
    Low, likely
    48°9°–54°12°
    Typical high / low
    66°19° / 43°6°
    Wind
    5 mph8 km/h, gusts 15 mph23 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 78°26°, low 49°9°. Typical 66°19° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 51°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 78. South southwest wind 0 to 7 mph.

    Night: Mostly clear, with a low around 49. South southeast wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    73°23°–78°26°
    Low, likely
    49°9°–54°12°
    Typical high / low
    66°19° / 43°6°
    Wind
    7 mph12 km/h, gusts 21 mph33 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 78°26°, low 48°9°. Typical 65°18° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 78. South southwest wind 1 to 6 mph.

    Night: Mostly clear, with a low around 48. East northeast wind around 1 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    75°24°–79°26°
    Low, likely
    46°8°–53°12°
    Typical high / low
    65°18° / 42°6°
    Wind
    8 mph13 km/h, gusts 21 mph34 km/h
    UV peak
    4
  7. Friday, Oct 30. Cloudy. High 77°25°, low 50°10°. Typical 65°18° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 78°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 77. Southeast wind 0 to 5 mph.

    Night: Mostly cloudy, with a low around 50. East wind around 2 mph.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    74°23°–80°27°
    Low, likely
    48°9°–55°13°
    Typical high / low
    65°18° / 42°6°
    Wind
    7 mph10 km/h, gusts 17 mph28 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 74°23°, low 61°16°. Typical 64°18° / 42°6°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      20% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 76°25°

      20% chance

    3. Evening

      6 PM–midnight

      Cloudy, 69°20°

      30% chance

    4. Overnight

      midnight–6 AM

      Partly cloudy, 64°18°

      40% chance · 0.05 in1.3 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    70°21°–79°26°
    Low, likely
    60°16°–62°17°
    Typical high / low
    64°18° / 42°6°
    Wind
    10 mph16 km/h, gusts 21 mph33 km/h
    UV peak
    3
  9. Sunday, Nov 1. Drizzle. High 71°22°, low 62°17°. Typical 64°18° / 41°5°. Rain 0.55 in14 mm, 50% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Drizzle, 66°19°

      40% chance · 0.07 in1.7 mm

    2. Afternoon

      noon–6 PM

      Rain, 70°21°

      40% chance · 0.12 in3 mm

    3. Evening

      6 PM–midnight

      Rain, 66°19°

      40% chance · 0.28 in7.1 mm

    4. Overnight

      midnight–6 AM

      Showers, 62°17°

      40% chance · 0.1 in2.6 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–71°22°
    Low, likely
    58°14°–66°19°
    Typical high / low
    64°18° / 41°5°
    Wind
    18 mph29 km/h, gusts 40 mph64 km/h
    UV peak
    1
  10. Monday, Nov 2. Showers. High 67°19°, low 57°14°. Typical 63°17° / 41°5°. Rain 0.31 in7.9 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 62°17°

      40% chance · 0.15 in3.9 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 65°18°

      40% chance · 0.13 in3.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 62°17°

      30% chance · 0.04 in1 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–75°24°
    Low, likely
    49°9°–66°19°
    Typical high / low
    63°17° / 41°5°
    Wind
    18 mph28 km/h, gusts 39 mph63 km/h
    UV peak
    1

The outlook

  1. Today

    Dry, high 77°, low 46°.

  2. Tomorrow

    Dry, high 78°, low 46°.

  3. Monday

    Dry, high 78°, low 47°.

  4. Rest of week

    Highs 67–78°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PAH) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Ohio River at Golconda

17 mi
Below flood stage
Level
29.8 ft

Forecast peak 29.8 ft Sat 1 PM

Reading from Sat 10 AM · NWS gauge page

Lusk Creek above Eddyville

12 mi
Level
1.8 ft

Reading from Sat 10:35 AM · NWS gauge page

South Fork Saline River above Carrier Mills

13 mi
Level
2.1 ft
Flow
1 cfs

Reading from Sat 10:30 AM · NWS gauge page

Cache River (IL) above Forman

13 mi
Level
8.3 ft

Reading from Sat 10 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 79% less heating than a typical week.

This week 15Typical 73

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
4
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 12:00 PM–7:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Dixon Springs Agric Cntr · official normals 1991–2020 · records 1941–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° warmer than typical.

Normal high / low
68°20° / 44°7°
Forecast high / low
77°25° / 46°8°
Record high
84°29° in 2000
Record low
17°−8° in 1981

Last 7 days vs normal

  1. —SunOct 18
  2. —MonOct 19
  3. —TueOct 20
  4. —WedOct 21
  5. —ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Simpson weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:11 AM, sunset 6:05 PM.

Daylight
10 h 54 min
Losing 2 min 11 s a day; shortest Dec 21, 1 h 19 min less
Golden hour
5:29–6:22 PM
Morning 6:55–7:48 AM
Blue hour
6:22–6:32 PM
Morning 6:45–6:55 AM; first light 6:45 AM

Stars tonight? Fair

Mostly clear 12–2 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:27 AM · rises 5:02 PM
Full moon
Oct 25
New moon
Nov 9
Looking northwest from Simpson.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.