Updated: January 20, 2018 4:25 pm
Next update: January 21, 2018 5:25 am

WXSIM Forecast for: O'Fallon

Tonight


Sunday


80% Sunday
night


Monday


Monday
night


Tuesday


Tuesday
night


Wednesday


Wednesday
night











7
7
11
16
17
11
5
6
3

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Tonight
7
  Cloudy. Relatively mild.
Sunday
7
  Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Unusually mild.
Sunday night
11
0.5 in
PoP: 80%
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then rain likely after midnight.
Scattered thundershowers possible. Unusually mild. Precipitation mostly around half an inch.
Monday
16
  Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Breezy and relatively mild.
Monday night
17
  Cloudy. Windy. Wind chill ranging from 25 to 36.
Tuesday
11
  Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. Breezy.
Tuesday night
5
  Clear.
Wednesday
6
  Sunny. Relatively mild.
Wednesday night
3
  Clear.
Thursday
5
  Sunny. Relatively mild.
Thursday night
6
  Clear.
Friday
13
  Sunny. Unusually mild.
Friday night
12
<0.1 in
PoP: 30%
Partly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain after midnight. Breezy and relatively mild. Precipitation less than a tenth of an inch.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 07:16     17:11    Daylength: 9:55 Today
18:00
5
  29.99 in   Cloudy.
21:00
7
  30.02 in   Mostly cloudy.
 07:15     17:13    Daylength: 9:57 Tomorrow
00:00
7
  30.01 in   Cloudy.
03:00
7
  29.98 in   Cloudy.
06:00
7
  29.96 in   Mostly cloudy.
09:00
8
  29.96 in UV
UV Index: 1
Mostly cloudy.
12:00
8
0.01 in 29.91 in UV
UV Index: 1
Cloudy.
Light rain.
15:00
7
  29.84 in   Cloudy.
18:00
9
0.01 in 29.84 in   Cloudy.
Light rain.
21:00
11
0.18 in 29.80 in   Cloudy.
Light rain.
 07:15     17:14    Daylength: 9:58 Monday 22 Jan
00:00
14
0.26 in 29.71 in   Cloudy.
Light rain.
03:00
10
  29.63 in   Partly cloudy.
06:00
9
  29.57 in   Partly cloudy.
09:00
12
  29.56 in UV
UV Index: 2
Mostly sunny.
12:00
15
  29.52 in UV
UV Index: 2
Mostly cloudy.
15:00
16
  29.52 in   Mostly cloudy.
18:00
16
  29.57 in   Mostly cloudy.
21:00
17
  29.64 in   Mostly cloudy.
 07:14     17:15    Daylength: 10:00 Tuesday 23 Jan
00:00
17
  29.76 in   Cloudy.
03:00
17
  29.86 in   Cloudy.
06:00
14
  29.97 in   Cloudy.
09:00
14
  30.11 in UV
UV Index: 1
Mostly cloudy.
12:00
12
  30.17 in UV
UV Index: 1
Mostly cloudy.
15:00
11
  30.18 in   Sunny.
18:00
5
  30.25 in   Clear.
21:00
5
  30.31 in   Clear.
 07:13     17:16    Daylength: 10:02 Wednesday 24 Jan
00:00
5
  30.34 in   Clear.
03:00
5
  30.36 in   Clear.
06:00
5
  30.39 in   Clear.
09:00
7
  30.45 in UV
UV Index: 1
Sunny.
12:00
7
  30.44 in UV
UV Index: 1
Sunny.
15:00
7
  30.39 in   Sunny.
18:00
3
  30.44 in   Clear.
21:00
2
  30.47 in   Clear.
 07:13     17:17    Daylength: 10:04 Thursday 25 Jan
00:00
2
  30.46 in   Clear.
03:00
3
  30.46 in   Clear.
06:00
3
  30.46 in   Clear.
09:00
4
  30.48 in UV
UV Index: 2
Sunny.
12:00
7
  30.42 in UV
UV Index: 2
Sunny.
15:00
7
  30.36 in UV
UV Index: 1
Sunny.
18:00
5
  30.38 in   Clear.
21:00
6
  30.39 in   Clear.
 07:12     17:18    Daylength: 10:06 Friday 26 Jan
00:00
7
  30.39 in   Clear.
03:00
6
  30.39 in   Clear.
06:00
6
  30.39 in   Clear.
09:00
9
  30.39 in UV
UV Index: 2
Sunny.
12:00
13
  30.33 in UV
UV Index: 2
Mostly sunny.
15:00
14
  30.23 in UV
UV Index: 1
Mostly sunny.
18:00
10
  30.20 in   Clear.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 07:16     17:11    Daylength: 9:55 Today
17:00
4
  0% 45.0° 29.96 in   88% 14 miles
18:00
5
  0% 44.7° 29.99 in   99% 14 miles
19:00
6
  0% 44.7° 30.01 in   98% 14 miles
20:00
6
  0% 44.7° 30.02 in   97% 14 miles
21:00
7
  0% 44.8° 30.02 in   95% 14 miles
22:00
7
  0% 45.0° 30.02 in   95% 14 miles
23:00
7
  0% 45.2° 30.01 in   94% 14 miles
 07:15     17:13    Daylength: 9:57 Tomorrow
00:00
7
  0% 45.4° 30.01 in   94% 14 miles
01:00
7
  0% 45.6° 30.01 in   96% 14 miles
02:00
7
  0% 45.8° 30.00 in   98% 14 miles
03:00
7
  0% 46.0° 29.98 in   99% 14 miles
04:00
7
  0% 46.1° 29.97 in   97% 14 miles
05:00
7
  0% 46.2° 29.96 in   96% 14 miles
06:00
7
  0% 46.3° 29.96 in   94% 14 miles
07:00
7
  0% 46.4° 29.96 in   91% 13 miles
08:00
7
  0% 47.0° 29.97 in   87% 12 miles
09:00
8
  0% 49.1° 29.96 in UV
UV Index: 1
84% 14 miles
10:00
8
  0% 50.3° 29.96 in UV
UV Index: 1
86% 14 miles
11:00
8
  0% 51.5° 29.94 in UV
UV Index: 1
88% 14 miles
12:00
8
0.01 in 0% 52.5° 29.91 in UV
UV Index: 1
91% 14 miles
13:00
8
  0% 53.0° 29.88 in UV
UV Index: 1
94% 14 miles
14:00
8
  0% 53.2° 29.86 in UV
UV Index: 1
98% 14 miles
15:00
7
  0% 53.3° 29.84 in   100% 14 miles
16:00
8
  0% 53.2° 29.84 in   100% 14 miles
17:00
8
  0% 52.8° 29.84 in   100% 14 miles
18:00
9
  0% 52.6° 29.84 in   100% 14 miles
19:00
9
0.01 in 0% 52.6° 29.84 in   100% 14 miles
20:00
10
  <20% 52.7° 29.82 in   100% 14 miles
21:00
11
0.06 in <20% 52.9° 29.80 in   100% 7.4 miles
22:00
12
0.06 in 20-40% 53.7° 29.77 in   100% 6.8 miles
23:00
13
0.06 in 20-40% 54.5° 29.74 in   100% 6.8 miles
 07:15     17:14    Daylength: 9:58 Monday 22 Jan
00:00
14
0.09 in 20-40% 55.0° 29.71 in   100% 5.9 miles
01:00
13
0.09 in 20-40% 54.9° 29.68 in   76% 5.4 miles
02:00
12
0.08 in <20% 54.5° 29.66 in   49% 5.1 miles
03:00
10
  <20% 53.6° 29.63 in   25% 12 miles
04:00
9
  0% 52.4° 29.61 in   27% 15 miles
05:00
8
  0% 50.5° 29.58 in   33% 15 miles
06:00
9
  0% 48.0° 29.57 in   35% 15 miles
07:00
9
  0% 45.0° 29.57 in   25% 16 miles
08:00
10
  0% 41.7° 29.57 in   13% 16 miles
09:00
12
  0% 40.1° 29.56 in UV
UV Index: 1
7% 16 miles
10:00
14
  0% 39.0° 29.56 in UV
UV Index: 2
8% 17 miles
11:00
15
  0% 38.8° 29.54 in UV
UV Index: 2
14% 18 miles
12:00
15
  0% 38.4° 29.52 in UV
UV Index: 2
29% 20 miles
13:00
16
  0% 37.5° 29.51 in UV
UV Index: 2
53% 21 miles
14:00
16
  0% 36.4° 29.51 in UV
UV Index: 1
78% 22 miles
15:00
16
  0% 35.4° 29.52 in   90% 22 miles
16:00
16
  0% 34.7° 29.53 in   91% 22 miles
Move the mouse over the values for info.

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