Updated: October 23, 2019 5:25 am
Next update: October 23, 2019 4:25 pm

WXSIM Forecast for: O'Fallon

Today


Tonight


Thursday


60% Thursday
night


Friday


Friday
night


Saturday


Saturday
night


Sunday











14
6
7
7
7
4
2
3
5

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Today
14
  Partly to mostly sunny in the morning, becoming sunny in the afternoon. Breezy and mild.
Tonight
6
  Fair to partly cloudy in the evening, becoming partly cloudy after midnight.
Thursday
7
<0.25 in
PoP: 50%
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation less than a quarter of an inch.
Thursday night
7
0.25 in
PoP: 60%
Dense overcast. Patchy light fog. Rain likely. Precipitation mostly around a quarter of an inch.
Friday
7
<0.1 in
PoP: 40%
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation less than a tenth of an inch.
Friday night
4
  Fair in the evening, becoming clear after midnight.
Saturday
2
  Sunny.
Saturday night
3
  Clear.
Sunday
5
  Sunny.
Sunday night
11
  Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Breezy.
Monday
9
  Sunny.
Monday night
5
  Mostly clear in the evening, becoming clear after midnight. Cold.
Tuesday
5
  Sunny.
Tuesday night
6
  Fair in the evening, becoming partly to mostly cloudy after midnight. Cold. Wind chill ranging from 29 to 45.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 07:20     18:13    Daylength: 10:52 Today
18:00
9
  29.95 in   Partly cloudy.
21:00
6
  30.01 in   Partly cloudy.
 07:21     18:12    Daylength: 10:50 Tomorrow
00:00
5
  30.07 in   Mostly clear.
03:00
4
  30.12 in   Mostly clear.
06:00
6
  30.18 in UV
UV Index: 1
Partly cloudy.
09:00
8
0.06 in 30.26 in UV
UV Index: 1
Mostly cloudy.
Light rain showers.
12:00
7
0.07 in 30.28 in UV
UV Index: 1
Cloudy.
Light rain.
15:00
5
0.02 in 30.27 in   Cloudy.
Light rain.
18:00
6
0.03 in 30.28 in   Cloudy.
Light rain.
21:00
6
0.09 in 30.28 in   Cloudy.
Light rain.
 07:22     18:11    Daylength: 10:48 Friday 25 Oct
00:00
6
0.04 in 30.28 in   Cloudy.
Light rain.
03:00
9
0.06 in 30.25 in   Cloudy.
Light rain.
06:00
8
0.02 in 30.25 in   Cloudy.
Light rain.
09:00
7
  30.28 in UV
UV Index: 1
Cloudy.
12:00
8
0.01 in 30.25 in UV
UV Index: 1
Cloudy.
Light rain.
15:00
6
  30.19 in   Cloudy.
18:00
5
  30.20 in   Partly cloudy.
21:00
4
  30.21 in   Clear.
 07:23     18:09    Daylength: 10:45 Saturday 26 Oct
00:00
4
  30.18 in   Clear.
03:00
4
  30.15 in   Clear.
Scattered frost.
06:00
2
  30.14 in UV
UV Index: 1
Clear.
Moderate or heavy frost.
09:00
2
  30.12 in UV
UV Index: 3
Sunny.
12:00
3
  30.05 in UV
UV Index: 3
Sunny.
15:00
3
  29.96 in UV
UV Index: 1
Sunny.
18:00
3
  29.97 in   Sunny.
21:00
4
  29.99 in   Clear.
 07:24     18:08    Daylength: 10:43 Sunday 27 Oct
00:00
3
  30.00 in   Clear.
03:00
4
  29.98 in   Clear.
06:00
3
  29.99 in UV
UV Index: 1
Clear.
Light fog.
09:00
4
  30.02 in UV
UV Index: 3
Sunny.
12:00
6
  29.95 in UV
UV Index: 3
Sunny.
15:00
6
  29.90 in UV
UV Index: 1
Sunny.
18:00
4
  29.93 in   Mostly cloudy.
21:00
14
  30.01 in   Mostly cloudy.
 07:25     18:07    Daylength: 10:41 Monday 28 Oct
00:00
14
  30.09 in   Cloudy.
03:00
12
  30.15 in   Cloudy.
06:00
9
  30.18 in UV
UV Index: 1
Mostly clear.
09:00
10
  30.23 in UV
UV Index: 3
Sunny.
12:00
9
  30.22 in UV
UV Index: 3
Sunny.
15:00
9
  30.22 in UV
UV Index: 1
Sunny.
18:00
5
  30.23 in   Sunny.
21:00
4
  30.25 in   Clear.
 07:27     18:06    Daylength: 10:39 Tuesday 29 Oct
00:00
6
  30.27 in   Clear.
Scattered frost.
03:00
4
  30.30 in   Clear.
Moderate or heavy frost.
06:00
3
  30.35 in UV
UV Index: 1
Clear.
Moderate or heavy frost.
09:00
5
  30.38 in UV
UV Index: 3
Sunny.
12:00
7
  30.35 in UV
UV Index: 3
Sunny.
15:00
6
  30.31 in UV
UV Index: 1
Sunny.
18:00
5
  30.34 in   Sunny.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 07:20     18:13    Daylength: 10:52 Today
16:00
13
  0% 45.3° 29.91 in   1% 18 miles
17:00
11
  0% 45.8° 29.93 in   2% 17 miles
18:00
9
  0% 46.1° 29.95 in   7% 16 miles
19:00
7
  0% 46.5° 29.97 in   17% 16 miles
20:00
7
  0% 47.3° 29.99 in   28% 15 miles
21:00
6
  0% 47.9° 30.01 in   33% 15 miles
22:00
6
  0% 48.4° 30.03 in   24% 14 miles
23:00
6
  0% 48.6° 30.05 in   12% 14 miles
 07:21     18:12    Daylength: 10:50 Tomorrow
00:00
5
  0% 48.5° 30.07 in   1% 14 miles
01:00
5
  0% 48.1° 30.09 in   3% 13 miles
02:00
4
  0% 47.5° 30.10 in   6% 13 miles
03:00
4
  0% 46.4° 30.12 in   9% 13 miles
04:00
4
  0% 45.3° 30.13 in   14% 13 miles
05:00
5
  0% 44.1° 30.15 in   19% 13 miles
06:00
6
  0% 42.7° 30.18 in   28% 13 miles
07:00
7
  0% 41.7° 30.22 in   37% 13 miles
08:00
8
  0% 40.9° 30.24 in UV
UV Index: 1
47% 14 miles
09:00
8
0.02 in 0% 40.3° 30.26 in UV
UV Index: 1
60% 11 miles
10:00
8
0.02 in 0% 40.5° 30.28 in UV
UV Index: 1
76% 11 miles
11:00
8
0.02 in 0% 41.1° 30.28 in UV
UV Index: 1
91% 11 miles
12:00
7
0.02 in 0% 41.7° 30.28 in UV
UV Index: 1
100% 10 miles
13:00
7
0.03 in 0% 41.9° 30.27 in UV
UV Index: 1
100% 9.9 miles
14:00
6
0.02 in 0% 42.0° 30.26 in   100% 9.9 miles
15:00
5
0.01 in 0% 41.9° 30.27 in   100% 12 miles
16:00
5
  0% 42.0° 30.28 in   100% 12 miles
17:00
5
0.01 in 0% 42.6° 30.28 in   100% 12 miles
18:00
6
0.01 in 0% 42.9° 30.28 in   100% 11 miles
19:00
6
0.01 in 0% 43.0° 30.28 in   100% 11 miles
20:00
6
0.01 in 0% 43.2° 30.28 in   100% 10 miles
21:00
6
0.03 in 0% 43.5° 30.28 in   100% 6.7 miles
22:00
6
0.03 in 0% 43.8° 30.28 in   100% 5.0 miles
23:00
6
0.03 in 0% 44.0° 30.28 in   100% 4.1 miles
 07:22     18:11    Daylength: 10:48 Friday 25 Oct
00:00
6
0.02 in 0% 44.0° 30.28 in   100% 5.7 miles
01:00
7
0.01 in 0% 43.8° 30.27 in   100% 7.9 miles
02:00
8
0.01 in 0% 43.5° 30.26 in   100% 9.5 miles
03:00
9
0.02 in 0% 43.0° 30.25 in   100% 9.7 miles
04:00
9
0.02 in 0% 42.5° 30.24 in   100% 9.8 miles
05:00
8
0.02 in 0% 42.0° 30.24 in   100% 10 miles
06:00
8
  0% 41.4° 30.25 in   100% 12 miles
07:00
8
0.01 in 0% 41.3° 30.26 in   100% 12 miles
08:00
7
0.01 in 0% 41.3° 30.27 in   100% 13 miles
09:00
7
  0% 41.3° 30.28 in UV
UV Index: 1
100% 13 miles
10:00
7
  0% 41.3° 30.28 in UV
UV Index: 1
100% 13 miles
11:00
7
  0% 41.5° 30.27 in UV
UV Index: 1
100% 13 miles
12:00
8
  0% 41.6° 30.25 in UV
UV Index: 1
100% 13 miles
13:00
7
0.01 in 0% 41.5° 30.23 in UV
UV Index: 1
100% 13 miles
14:00
7
  0% 41.4° 30.20 in UV
UV Index: 1
100% 13 miles
15:00
6
  0% 40.9° 30.19 in   100% 14 miles
Move the mouse over the values for info.

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