Rock River forecast based on 2024/10/17 data updated at 06:00 AM. Temp RH Wind Spd Gust Sky POP6 POP12 Type Pcpn 12hr P POL NOS Haines TD °C % km/h km/h % % mm mm % Index °C 8 AM Thu, 17 Oct 2024 -10 92 260 4 Bkn S-F 0.1 0 2 -11 11 AM Thu, 17 Oct 2024 -12 92 250 4 Vrb 14 0 0 2 -13 2 PM Thu, 17 Oct 2024 -10 92 250 4 Sct 0 0 2 -11 5 PM Thu, 17 Oct 2024 -7 92 260 5 Bkn 11 21 S- 0.3 0.4 0 0 2 -8 8 PM Thu, 17 Oct 2024 -13 92 280 6 Vrb S-F 0.2 0 2 -14 11 PM Thu, 17 Oct 2024 -10 81 290 7 Sct 11 0 0 2 -13 *** Thu Maximum RH = 92%, Thu Minimum RH = 81% *** *** Thu Minimum Temperature = -13, Thu Maximum Temperature = -4 *** 2 AM Fri, 18 Oct 2024 -12 81 280 6 Sct 0 0 2 -14 5 AM Fri, 18 Oct 2024 -13 80 260 6 Sct 11 23 0 0.2 0 2 -16 8 AM Fri, 18 Oct 2024 -14 80 260 5 Sct 0 0 2 -17 11 AM Fri, 18 Oct 2024 -14 78 260 5 Vrb 13 0 0 2 -17 2 PM Fri, 18 Oct 2024 -12 78 260 6 Sct 0 0 2 -15 5 PM Fri, 18 Oct 2024 -13 80 280 6 Sct 6 10 0 0.0 0 0 2 -16 8 PM Fri, 18 Oct 2024 -17 78 260 4 Sct 0 0 0 -19 11 PM Fri, 18 Oct 2024 -19 75 280 2 Sct 4 0 0 6 -22 *** Fri Maximum RH = 82%, Fri Minimum RH = 76% *** *** Fri Minimum Temperature = -19, Fri Maximum Temperature = -6 *** 2 AM Sat, 19 Oct 2024 -19 75 280 4 Sct 0 0 0 -22 5 AM Sat, 19 Oct 2024 -19 75 280 5 Sct 0 0 0 0.0 0 6 -22 8 AM Sat, 19 Oct 2024 -19 74 260 5 Sct 0 0 0 -23 11 AM Sat, 19 Oct 2024 -19 74 260 5 Sct 0 0 0 6 -23 2 PM Sat, 19 Oct 2024 -16 76 260 6 Sct 0 0 0 -20 5 PM Sat, 19 Oct 2024 -17 76 260 7 Sct 0 0 0 0.0 0 0 4 -20 8 PM Sat, 19 Oct 2024 -20 75 260 6 Sct 0 0 0 -23 11 PM Sat, 19 Oct 2024 -20 74 260 6 Sct 0 0 0 4 -24 *** Sat Maximum RH = 77%, Sat Minimum RH = 74% *** *** Sat Minimum Temperature = -20, Sat Maximum Temperature = -10 *** 2 AM Sun, 20 Oct 2024 -20 74 280 7 Sct 0 0 0 -23 5 AM Sun, 20 Oct 2024 -20 74 280 8 Clr 0 0 0 0.0 0 4 -24 8 AM Sun, 20 Oct 2024 -20 74 260 8 Sct 0 0 0 -23 11 AM Sun, 20 Oct 2024 -18 75 260 8 Sct 0 0 0 4 -21 2 PM Sun, 20 Oct 2024 -15 76 280 9 Sct 0 0 0 -18 5 PM Sun, 20 Oct 2024 -16 77 280 8 Sct 0 0 0 0.0 0 0 5 -18 8 PM Sun, 20 Oct 2024 -18 76 260 6 Clr 0 0 0 -21 11 PM Sun, 20 Oct 2024 -18 77 260 6 Sct 0 0 0 4 -21 *** Sun Maximum RH = 78%, Sun Minimum RH = 75% *** *** Sun Minimum Temperature = -20, Sun Maximum Temperature = -11 *** 2 AM Mon, 21 Oct 2024 -16 77 260 6 Sct 0 0 0 -18 5 AM Mon, 21 Oct 2024 -12 79 260 7 Sct 1 83 0 0.0 0 3 -15 8 AM Mon, 21 Oct 2024 -10 79 240 9 Sct 0 0 0 -13 11 AM Mon, 21 Oct 2024 -7 72 180 6 Bkn 82 SW- 0.3 0 3 -11 2 PM Mon, 21 Oct 2024 -2 75 180 10 Ovc SW- 1.7 0 0 -6 5 PM Mon, 21 Oct 2024 -0 80 200 18 Ovc 37 37 SW- 0.6 2.6 0 0 3 -3 8 PM Mon, 21 Oct 2024 3 78 220 21 Ovc SW- 0.6 0 0 -0 11 PM Mon, 21 Oct 2024 3 76 220 24 Ovc 10 SW- 0.7 0 4 -0 *** Mon Maximum RH = 81%, Mon Minimum RH = 73% *** *** Mon Minimum Temperature = -16, Mon Maximum Temperature = 3 *** 2 AM Tue, 22 Oct 2024 2 75 220 22 Ovc SW- 1.1 0 0 -1 5 AM Tue, 22 Oct 2024 2 70 240 24 Vrb 0 0 0 2.4 0 5 -3 8 AM Tue, 22 Oct 2024 1 69 240 20 Sct 0 0 0 -4 11 AM Tue, 22 Oct 2024 1 69 240 26 Sct 0 0 0 6 -4 2 PM Tue, 22 Oct 2024 2 65 220 24 Vrb 0 0 0 -4 5 PM Tue, 22 Oct 2024 1 67 240 29 Vrb 0 0.0 0 0 6 -5 °C % km/h km/h % % mm mm % Index °C Temp RH Wind Spd Gust Sky POP6 POP12 Type Pcpn 12hr P POL NOS Haines TD *** Tue Maximum RH = 76%, Tue Minimum RH = 66% *** *** Tue Minimum Temperature = 1, Tue Maximum Temperature = 4 *** *** The normal Tue Minimum Temperature = -13, the normal Maximum Temperature = -6 *** Method last upgraded Sept 30, 2011 ******************************************************************************************************** * The following is a verification using the most recent forecast method on the data from six days ago. * * It is part of "Truth in Advertising," i.e. it helps to evaluate the forecasts for this station. * * * * Under "Forecast - Observed", the actual values are subtracted from the forecast values. For example, * * a wind speed of -5 indicates the forecast wind is 5 km/h too light and +5 indicates the forecast is * * 5 km/h too strong. The wind direction is the number of degrees difference between the forecast and * * actual wind. Wind direction is not verified when the actual winds are light and variable. * * * * Under "Observed", the clouds, precipitation type, and precipitation amount are the observed values * * that must be compared to the forecast values to the left. * * Note that actual one hour precipitation amounts are not available from all stations. * * SH = Showers near but not at the station. * * Showers may also occur between hours and not show up in the verification column. * ******************************************************************************************************** Rock River forecast based on 2024/10/11 data. Temp RH Wind Spd Gust Sky POP6 POP12 Type Pcpn 12hr P POL NOS Haines TD | Forecast - Observed | Observed °C % km/h km/h % % mm mm % Index °C | Temp RH Dir Speed Gust | SKY Type Precip 8 AM Fri, 11 Oct 2024 -2 92 60 6 Vrb 0 0 2 -3 | -1.5 10 -46 -12 -22 ~ 0 11 AM Fri, 11 Oct 2024 -0 92 60 6 Vrb 0 0 0 2 -1 | 1.5 4 ~ 4 -11 ~ 0 2 PM Fri, 11 Oct 2024 1 99 70 9 Vrb 0 0 2 1 | -0.3 29 -69 -5 -14 ~ 0 5 PM Fri, 11 Oct 2024 0 96 70 9 Vrb 0 0 0 0.0 0 0 2 -0 | -0.2 19 -79 -3 -8 ~ 0 8 PM Fri, 11 Oct 2024 -0 89 60 11 Vrb 0 0 2 -2 | 3.5 -3 ~ 6 0 ~ 0 11 PM Fri, 11 Oct 2024 -2 86 60 11 Vrb 0 0 0 2 -4 | 1.5 -6 ~ 8 1 ~ 0 *** Fri Maximum RH = 99%, Fri Minimum RH = 87% *** *** Fri Minimum Temperature = -3, Fri Maximum Temperature = 1 *** 2 AM Sat, 12 Oct 2024 -3 86 70 56 Vrb 0 0 2 -5 | -3.1 20 -48 33 30 ~ 0 5 AM Sat, 12 Oct 2024 -3 89 70 59 Vrb 0 0 0 0.0 0 2 -5 | -2.2 18 -44 24 19 ~ 0 8 AM Sat, 12 Oct 2024 -4 88 70 96 Vrb 0 0 2 -5 | 2.4 0 -25 24 16 ~ 0 11 AM Sat, 12 Oct 2024 -3 87 70 118 Bkn 0 0 0 2 -5 | 3.9 -5 -19 52 30 ~ 0 2 PM Sat, 12 Oct 2024 -2 80 70 114 Bkn 0 0 2 -5 | 4.2 -13 -10 57 25 ~ 0 5 PM Sat, 12 Oct 2024 -2 80 70 89 Bkn 0 0 0 0.0 0 0 2 -5 | 3.0 -5 -17 31 16 ~ 0 8 PM Sat, 12 Oct 2024 -2 85 70 77 Bkn 0 0 0 -4 | 2.0 -4 -20 5 -15 ~ 0 11 PM Sat, 12 Oct 2024 -2 87 70 60 Sct 0 0 0 6 -4 | -1.9 14 -121 51 24 ~ 0 *** Sat Maximum RH = 90%, Sat Minimum RH = 80% *** *** Sat Minimum Temperature = -4, Sat Maximum Temperature = -0 *** 2 AM Sun, 13 Oct 2024 -5 87 Calm Sct 0 0 0 -7 | -2.5 0 -256 -6 -9 ~ 0 5 AM Sun, 13 Oct 2024 -3 84 200 4 Sct 0 0 0 0.0 0 4 -6 | -1.8 -6 ~ 2 -21 ~ 0 8 AM Sun, 13 Oct 2024 -5 81 200 4 Clr 0 0 0 -7 | -3.3 -13 12 -3 -15 ~ 0 11 AM Sun, 13 Oct 2024 -4 74 Calm Clr 0 0 0 7 -7 | -3.8 -15 -42 -7 -13 ~ 0 2 PM Sun, 13 Oct 2024 2 67 160 5 Sct 0 0 0 -4 | -2.1 0 -63 -9 -23 ~ 0 5 PM Sun, 13 Oct 2024 1 69 240 8 Sct 0 0 0 0.0 0 0 5 -4 | -3.8 3 47 -6 -21 ~ 0.2 8 PM Sun, 13 Oct 2024 -2 83 240 8 Sct 0 0 0 -5 | -2.9 9 -1 0 -12 ~ 0 11 PM Sun, 13 Oct 2024 -3 87 300 6 Sct 0 0 0 3 -5 | -2.7 7 0 -6 -25 ~ 0 *** Sun Maximum RH = 88%, Sun Minimum RH = 68% *** *** Sun Minimum Temperature = -5, Sun Maximum Temperature = 4 *** 2 AM Mon, 14 Oct 2024 -6 89 Calm Sct 0 0 0 -7 | -3.2 -6 ~ -5 -16 ~ 0 5 AM Mon, 14 Oct 2024 -6 84 40 9 Sct 2 7 0 0.0 0 4 -8 | -3.1 -11 ~ 8 5 ~ 0 8 AM Mon, 14 Oct 2024 -4 84 70 80 Bkn 0 0 0 -6 | -0.7 -5 -26 38 24 ~ 0 11 AM Mon, 14 Oct 2024 -4 76 70 77 Bkn 4 SW- 0.1 0 3 -7 | 0.3 -14 -35 25 3 ~ 0 2 PM Mon, 14 Oct 2024 -3 67 70 73 Bkn SW- 0.1 0 0 -8 | 1.9 -22 -13 23 4 ~ 0 5 PM Mon, 14 Oct 2024 -3 67 70 78 Bkn 36 51 SW- 0.2 0.4 0 0 3 -8 | 1.8 -22 -23 34 16 ~ 0 8 PM Mon, 14 Oct 2024 -4 77 70 66 Bkn SW- 0.4 0 0 -7 | 1.7 -17 -16 29 9 ~ 0 11 PM Mon, 14 Oct 2024 -4 81 70 60 Ovc 51 SW- 0.4 0 3 -6 | 2.4 -13 -17 24 12 ~ 0 *** Mon Maximum RH = 89%, Mon Minimum RH = 67% *** *** Mon Minimum Temperature = -6, Mon Maximum Temperature = -1 *** 2 AM Tue, 15 Oct 2024 -5 84 40 10 Bkn SW- 0.8 0 0 -7 | 1.2 -3 -55 -24 -34 ~ 0 5 AM Tue, 15 Oct 2024 -5 84 40 12 Ovc 38 38 SW- 0.6 2.2 0 3 -8 | 1.0 -2 -56 -23 -38 ~ 0 8 AM Tue, 15 Oct 2024 -5 85 40 6 Bkn SW- 0.1 0 0 -7 | 1.4 1 -57 -21 -39 ~ 0 11 AM Tue, 15 Oct 2024 -4 81 50 3 Bkn 0 0 0 3 -6 | 2.5 -9 ~ 2 -15 ~ 0 2 PM Tue, 15 Oct 2024 -5 81 Calm Vrb 0 0 0 -8 | -0.0 -1 ~ 0 -4 ~ 0 5 PM Tue, 15 Oct 2024 -4 81 220 5 Vrb 0 0 0 0.1 0 0 3 -7 | 1.0 -12 ~ 1 -2 ~ 0 8 PM Tue, 15 Oct 2024 -6 86 260 5 Vrb 0 0 0 -8 | -0.2 -7 -3 -11 -24 ~ 0 11 PM Tue, 15 Oct 2024 -7 86 240 5 Vrb 0 0 0 3 -9 | -1.1 -5 -54 -11 -20 ~ 0 *** Tue Maximum RH = 87%, Tue Minimum RH = 81% *** *** Tue Minimum Temperature = -7, Tue Maximum Temperature = -1 *** 2 AM Wed, 16 Oct 2024 -6 81 260 10 Vrb 0 0 0 -9 | -0.5 -14 -5 -1 -6 ~ 0 5 AM Wed, 16 Oct 2024 -8 78 260 11 Bkn 0 0 0 0.0 0 3 -11 | -2.2 -16 1 -2 -12 ~ 0 8 AM Wed, 16 Oct 2024 -7 79 240 10 Bkn 0 0 0 -10 | -0.8 -15 -16 4 1 ~ 0 11 AM Wed, 16 Oct 2024 -5 74 240 15 Bkn 0 0 0 3 -9 | 1.0 -20 22 5 2 ~ 0 2 PM Wed, 16 Oct 2024 -4 65 260 16 Vrb 0 0 0 -10 | 1.8 -27 -7 0 -11 ~ 0 5 PM Wed, 16 Oct 2024 -4 68 300 13 Vrb 0 0.0 0 0 4 -9 | 3.6 -24 11 -17 -29 ~ 0 °C % km/h km/h % % mm mm % Index °C | Temp RH Dir Speed Gust | SKY Type Precip Temp RH Wind Spd Gust Sky POP6 POP12 Type Pcpn 12hr P POL NOS Haines TD | Forecast - Observed | Observed *** Wed Maximum RH = 81%, Wed Minimum RH = 66% *** *** Wed Minimum Temperature = -9, Wed Maximum Temperature = -3 ***