• Today

    Apr 30

    60°Lo 37°

    Partly sunny and warmer

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      5 - High
    • Cloud
      Cover
      36%
    more
  • Sun

    May 1

    54°Lo 39°

    Mostly cloudy, a little rain

    Beneficial weather for migraines
    • Hi
      RealFeel
      58°
    • UV
      4 - Moderate
    • Cloud
      Cover
      94%
  • Mon

    May 2

    48°Lo 38°

    Cold with periods of rain

    Beneficial weather for migraines
    • Hi
      RealFeel
      48°
    • UV
      2 - Low
    • Cloud
      Cover
      99%
    more
  • Tue

    May 3

    59°Lo 39°

    Mostly cloudy and warmer

    Beneficial weather for migraines
    • Hi
      RealFeel
      63°
    • UV
      4 - Moderate
    • Cloud
      Cover
      78%
    more
  • Wed

    May 4

    61°Lo 43°

    Rather cloudy with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      65°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 41° 41° 40° 41° 37° 41° 44° 47°
RealFeel® 43° 43° 43° 43° 40° 43° 47° 51°
Humidity 75% 75% 73% 74% 85% 77% 73% 68%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
1%
 
1%
 
1%
 
2%
 
2%
 
5%
 
13%
 
13%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 2 ENE 2 ENE 1 ENE 1 NE 2 ESE 2 ESE 2 SE 4 SE
UV Index 0 0 0 0 0 0 1 1
Cloud Cover 62% 68% 73% 79% 84% 90% 94% 94%
Dew Point 34° 33° 32° 33° 33° 34° 36° 37°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 54° 63° N/A 57°
Low 39° 40° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:11 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:37 AM with 11:04 of moolight, then sets at 1:41 PM

Alton Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

April 30, 2016; 5:15 AM ET

Expanding rainfall will bring good news and bad news for people in the northeastern United States into early next week. more >

Sun. Migraine Headache

Sun. UV Index